Improve tests

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>

.github/scripts/check-blocking-labels.mjs

@@ -0,0 +1,38 @@
+#!/usr/bin/env node
+// Fails the check when a pull request carries a label that blocks merging, and
+// writes the outcome to the job summary. Invoked from the `check` job in
+// .github/workflows/blocking-labels.yaml via actions/github-script:
+//
+//   const { default: checkBlockingLabels } =
+//     await import(`${process.env.GITHUB_WORKSPACE}/.github/scripts/check-blocking-labels.mjs`);
+//   await checkBlockingLabels({ github, context, core });
+
+export default async function checkBlockingLabels({ context, core }) {
+  const blockingLabels = [
+    "wait for backend",
+    "Needs UX",
+    "Do Not Review",
+    "Blocked",
+    "has-parent",
+  ];
+  const prLabels = context.payload.pull_request.labels.map((l) => l.name);
+  const found = blockingLabels.filter((bl) => prLabels.includes(bl));
+  if (found.length > 0) {
+    const message = `This Pull Request is blocked by label${found.length > 1 ? "s" : ""}: ${found.join(", ")}`;
+    await core.summary
+      .addHeading(":no_entry_sign: Pull Request is blocked", 2)
+      .addRaw(message)
+      .write();
+    core.setFailed(message);
+  } else {
+    await core.summary
+      .addHeading(
+        ":white_check_mark: Pull Request is clear to merge after review",
+        2
+      )
+      .addRaw(
+        "This Pull Request is not blocked by any labels which prevent it from being merged."
+      )
+      .write();
+  }
+}

.github/scripts/check-pull-request-standards.mjs

@@ -0,0 +1,195 @@
+#!/usr/bin/env node
+// Checks that a pull request follows the contribution standards: it must use the
+// PR template, tick exactly one "Type of change" option, and describe the change.
+// Labels and comments the PR when it does not, and fails the check so it blocks
+// merging. Invoked from the `check` job in .github/workflows/pull-request-standards.yaml
+// via actions/github-script:
+//
+//   const { default: checkStandards } =
+//     await import(`${process.env.GITHUB_WORKSPACE}/.github/scripts/check-pull-request-standards.mjs`);
+//   await checkStandards({ github, context, core });
+
+export default async function checkPullRequestStandards({
+  github,
+  context,
+  core,
+}) {
+  const pr = context.payload.pull_request;
+
+  // Exempt bots (Copilot agent, dependabot), drafts, and maintainers.
+  if (pr.user.type === "Bot") {
+    core.info(`Skipping bot author: ${pr.user.login}`);
+    return;
+  }
+  if (pr.draft) {
+    core.info("Skipping draft pull request");
+    return;
+  }
+  try {
+    await github.rest.orgs.checkMembershipForUser({
+      org: "home-assistant",
+      username: pr.user.login,
+    });
+    core.info(`Skipping organization member: ${pr.user.login}`);
+    return;
+  } catch (_error) {
+    core.info(
+      `${pr.user.login} is not an organization member, checking standards`
+    );
+  }
+
+  const label = "Needs Template";
+  const marker = "<!-- pr-standards-check -->";
+  const { owner, repo } = context.repo;
+  const issue_number = pr.number;
+
+  let body = pr.body || "";
+  let previous;
+  do {
+    previous = body;
+    body = body.replace(/<!--[\s\S]*?-->/g, "");
+  } while (body !== previous);
+  const normalized = body.toLowerCase();
+
+  // Ignore 404s from mutations that race manual edits or cancelled runs.
+  const ignoreMissing = async (fn) => {
+    try {
+      await fn();
+    } catch (error) {
+      if (error.status === 404) {
+        core.info("Target already removed, nothing to do");
+        return;
+      }
+      throw error;
+    }
+  };
+
+  // Hide/restore our comment via GraphQL (REST cannot minimize).
+  const setMinimized = async (subjectId, minimized) => {
+    const mutation = minimized
+      ? `mutation($id: ID!) {
+           minimizeComment(input: { subjectId: $id, classifier: RESOLVED }) {
+             clientMutationId
+           }
+         }`
+      : `mutation($id: ID!) {
+           unminimizeComment(input: { subjectId: $id }) {
+             clientMutationId
+           }
+         }`;
+    try {
+      await github.graphql(mutation, { id: subjectId });
+    } catch (error) {
+      core.info(
+        `Could not ${minimized ? "minimize" : "restore"} comment: ${error.message}`
+      );
+    }
+  };
+
+  // Content of a "## <name>" section, or null when the heading is absent.
+  const section = (name) => {
+    const match = body.match(
+      new RegExp(`##\\s${name}([\\s\\S]*?)(?=\\n##\\s|$)`, "i")
+    );
+    return match ? match[1] : null;
+  };
+
+  const problems = [];
+
+  const requiredHeadings = [
+    "## proposed change",
+    "## type of change",
+    "## checklist",
+  ];
+  if (requiredHeadings.some((h) => !normalized.includes(h))) {
+    problems.push(
+      "Use the pull request template without removing its sections."
+    );
+  }
+
+  const typeOfChange = section("type of change");
+  if (typeOfChange !== null) {
+    const ticked = (typeOfChange.match(/-\s*\[[xX]\]/g) || []).length;
+    if (ticked !== 1) {
+      problems.push('Select exactly one option under "Type of change".');
+    }
+  }
+
+  const proposedChange = section("proposed change");
+  if (proposedChange !== null && proposedChange.trim().length === 0) {
+    problems.push('Describe your changes under "Proposed change".');
+  }
+
+  const isValid = problems.length === 0;
+
+  const comments = await github.paginate(github.rest.issues.listComments, {
+    owner,
+    repo,
+    issue_number,
+    per_page: 100,
+  });
+  const existing = comments.find((c) => c.body.includes(marker));
+  const hasLabel = pr.labels.some((l) => l.name === label);
+
+  if (isValid) {
+    core.info("Pull request standards met");
+
+    if (hasLabel) {
+      await ignoreMissing(() =>
+        github.rest.issues.removeLabel({
+          owner,
+          repo,
+          issue_number,
+          name: label,
+        })
+      );
+    }
+    if (existing) {
+      await setMinimized(existing.node_id, true);
+    }
+    return;
+  }
+
+  core.info(`Pull request standards not met:\n- ${problems.join("\n- ")}`);
+
+  if (!hasLabel) {
+    await github.rest.issues.addLabels({
+      owner,
+      repo,
+      issue_number,
+      labels: [label],
+    });
+  }
+
+  const message =
+    `${marker}\n` +
+    `Hey @${pr.user.login}!\n\n` +
+    `Thank you for your contribution! To help reviewers, please update ` +
+    `this pull request to follow our pull request standards:\n\n` +
+    problems.map((p) => `- ${p}`).join("\n") +
+    `\n\n` +
+    `Please complete the ` +
+    `[PR template](https://github.com/home-assistant/frontend/blob/dev/.github/PULL_REQUEST_TEMPLATE.md?plain=1) ` +
+    `and see the [developer docs](https://developers.home-assistant.io/docs/review-process) ` +
+    `for more on creating a great pull request (see point 6).`;
+
+  if (existing) {
+    await github.rest.issues.updateComment({
+      owner,
+      repo,
+      comment_id: existing.id,
+      body: message,
+    });
+    await setMinimized(existing.node_id, false);
+  } else {
+    await github.rest.issues.createComment({
+      owner,
+      repo,
+      issue_number,
+      body: message,
+    });
+  }
+
+  // Fail this check so it can block the PR from being merged
+  core.setFailed(`Pull request standards not met:\n- ${problems.join("\n- ")}`);
+}

.github/scripts/check-task-authorization.mjs

@@ -0,0 +1,58 @@
+#!/usr/bin/env node
+// Restricts Task issues to organization members: closes and labels the issue with
+// an explanatory comment when the author is not an org member. Invoked from the
+// `check-authorization` job in .github/workflows/restrict-task-creation.yml via
+// actions/github-script:
+//
+//   const { default: checkTaskAuthorization } =
+//     await import(`${process.env.GITHUB_WORKSPACE}/.github/scripts/check-task-authorization.mjs`);
+//   await checkTaskAuthorization({ github, context, core });
+
+export default async function checkTaskAuthorization({
+  github,
+  context,
+  core,
+}) {
+  const issueAuthor = context.payload.issue.user.login;
+
+  // Check if user is an organization member
+  try {
+    await github.rest.orgs.checkMembershipForUser({
+      org: "home-assistant",
+      username: issueAuthor,
+    });
+    core.info(`✅ ${issueAuthor} is an organization member`);
+    return; // Authorized
+  } catch (_error) {
+    core.info(`❌ ${issueAuthor} is not authorized to create Task issues`);
+  }
+
+  // Close the issue with a comment
+  await github.rest.issues.createComment({
+    owner: context.repo.owner,
+    repo: context.repo.repo,
+    issue_number: context.issue.number,
+    body:
+      `Hi @${issueAuthor}, thank you for your contribution!\n\n` +
+      `Task issues are restricted to Open Home Foundation staff and authorized contributors.\n\n` +
+      `If you would like to:\n` +
+      `- Report a bug: Please use the [bug report form](https://github.com/home-assistant/frontend/issues/new?template=bug_report.yml)\n` +
+      `- Request a feature: Please submit to [Feature Requests](https://github.com/orgs/home-assistant/discussions)\n\n` +
+      `If you believe you should have access to create Task issues, please contact the maintainers.`,
+  });
+
+  await github.rest.issues.update({
+    owner: context.repo.owner,
+    repo: context.repo.repo,
+    issue_number: context.issue.number,
+    state: "closed",
+  });
+
+  // Add a label to indicate this was auto-closed
+  await github.rest.issues.addLabels({
+    owner: context.repo.owner,
+    repo: context.repo.repo,
+    issue_number: context.issue.number,
+    labels: ["auto-closed"],
+  });
+}

.github/workflows/blocking-labels.yaml

@@ -20,31 +20,16 @@ jobs:
     name: Check for labels which block the Pull Request from being merged
     runs-on: ubuntu-latest
     steps:
+      - name: Check out workflow scripts
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          persist-credentials: false
+          sparse-checkout: .github/scripts
       - name: Check for blocking labels
         uses: actions/github-script@3a2844b7e9c422d3c10d287c895573f7108da1b3 # v9.0.0
         with:
           script: |
-            const blockingLabels = [
-              "wait for backend",
-              "Needs UX",
-              "Do Not Review",
-              "Blocked",
-              "has-parent",
-            ];
-            const prLabels = context.payload.pull_request.labels.map(
-              (l) => l.name
+            const { default: checkBlockingLabels } = await import(
+              `${process.env.GITHUB_WORKSPACE}/.github/scripts/check-blocking-labels.mjs`
             );
-            const found = blockingLabels.filter((bl) => prLabels.includes(bl));
-            if (found.length > 0) {
-              const message = `This Pull Request is blocked by label${found.length > 1 ? "s" : ""}: ${found.join(", ")}`;
-              await core.summary
-                .addHeading(":no_entry_sign: Pull Request is blocked", 2)
-                .addRaw(message)
-                .write();
-              core.setFailed(message);
-            } else {
-              await core.summary
-                .addHeading(":white_check_mark: Pull Request is clear to merge after review", 2)
-                .addRaw("This Pull Request is not blocked by any labels which prevent it from being merged.")
-                .write();
-            }
+            await checkBlockingLabels({ github, context, core });

.github/workflows/ci.yaml

@@ -105,6 +105,8 @@ jobs:
           name: frontend-bundle-stats
           path: build/stats/*.json
           if-no-files-found: error
+      - name: Check entrypoint bundle size budget
+        run: yarn run check-bundlesize
       - name: Upload frontend build
         uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
         with:

.github/workflows/e2e.yaml

@@ -0,0 +1,240 @@
+name: E2E Tests
+
+on:
+  push:
+    branches:
+      - dev
+      - master
+  pull_request:
+    branches:
+      - dev
+      - master
+  workflow_dispatch:
+
+env:
+  NODE_OPTIONS: --max_old_space_size=6144
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
+permissions:
+  contents: read
+
+jobs:
+  # ── Build the demo once and share it across test jobs via artifact ──────────
+  build-demo:
+    name: Build demo
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out files from GitHub
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          persist-credentials: false
+
+      - name: Setup Node
+        uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
+        with:
+          node-version-file: ".nvmrc"
+          cache: yarn
+
+      - name: Install dependencies
+        run: yarn install --immutable
+
+      - name: Build demo
+        run: ./node_modules/.bin/gulp build-demo
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Upload demo build
+        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
+        with:
+          name: demo-dist
+          path: demo/dist/
+          if-no-files-found: error
+          retention-days: 3
+
+  # ── Build the e2e test app and share it via artifact ────────────────────────
+  build-e2e-test-app:
+    name: Build e2e test app
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out files from GitHub
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          persist-credentials: false
+
+      - name: Setup Node
+        uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
+        with:
+          node-version-file: ".nvmrc"
+          cache: yarn
+
+      - name: Install dependencies
+        run: yarn install --immutable
+
+      - name: Build e2e test app
+        run: ./node_modules/.bin/gulp build-e2e-test-app
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Upload e2e test app build
+        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
+        with:
+          name: e2e-test-app-dist
+          path: test/e2e/app/dist/
+          if-no-files-found: error
+          retention-days: 3
+
+  # ── Build the gallery and share it via artifact ─────────────────────────────
+  build-gallery:
+    name: Build gallery
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out files from GitHub
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          persist-credentials: false
+
+      - name: Setup Node
+        uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
+        with:
+          node-version-file: ".nvmrc"
+          cache: yarn
+
+      - name: Install dependencies
+        run: yarn install --immutable
+
+      - name: Build gallery
+        run: ./node_modules/.bin/gulp build-gallery
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Upload gallery build
+        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
+        with:
+          name: gallery-dist
+          path: gallery/dist/
+          if-no-files-found: error
+          retention-days: 3
+
+  # ── Run Playwright tests locally against Chromium ──────────────────────────
+  e2e-local:
+    name: E2E (local Chromium)
+    needs: [build-demo, build-e2e-test-app, build-gallery]
+    runs-on: ubuntu-latest
+    # Fail fast if anything hangs. The whole suite should take < 15 minutes on
+    # Chromium; anything longer is almost certainly an install or webServer
+    # hang.
+    timeout-minutes: 30
+    steps:
+      - name: Check out files from GitHub
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          persist-credentials: false
+
+      - name: Setup Node
+        uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
+        with:
+          node-version-file: ".nvmrc"
+          cache: yarn
+
+      - name: Install dependencies
+        run: yarn install --immutable
+
+      # Cache the downloaded browser build keyed on the pinned Playwright
+      # version (yarn.lock), so re-runs skip the ~170 MB download.
+      - name: Cache Playwright browsers
+        uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
+        with:
+          path: ~/.cache/ms-playwright
+          key: ${{ runner.os }}-playwright-${{ hashFiles('yarn.lock') }}
+
+      - name: Install Playwright browsers
+        run: yarn playwright install --with-deps chromium
+        timeout-minutes: 10
+
+      - name: Download demo build
+        uses: actions/download-artifact@65a9edc5881444af0b9093a5e628f2fe47ea3b2e # v4.1.7
+        with:
+          name: demo-dist
+          path: demo/dist/
+
+      - name: Download e2e test app build
+        uses: actions/download-artifact@65a9edc5881444af0b9093a5e628f2fe47ea3b2e # v4.1.7
+        with:
+          name: e2e-test-app-dist
+          path: test/e2e/app/dist/
+
+      - name: Download gallery build
+        uses: actions/download-artifact@65a9edc5881444af0b9093a5e628f2fe47ea3b2e # v4.1.7
+        with:
+          name: gallery-dist
+          path: gallery/dist/
+
+      - name: Run Playwright tests (local)
+        run: yarn test:e2e
+        timeout-minutes: 15
+
+      - name: Upload blob report
+        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
+        if: always()
+        with:
+          name: blob-report-local
+          path: test/e2e/reports/
+          retention-days: 3
+
+  # ── Merge local blob reports and post PR comment ───────────────────────────
+  report:
+    name: Report
+    needs: [e2e-local]
+    runs-on: ubuntu-latest
+    if: ${{ !cancelled() }}
+    permissions:
+      contents: read
+      pull-requests: write
+    steps:
+      - name: Check out files from GitHub
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          persist-credentials: false
+
+      - name: Setup Node
+        uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
+        with:
+          node-version-file: ".nvmrc"
+          cache: yarn
+
+      - name: Install dependencies
+        run: yarn install --immutable
+
+      - name: Download blob report (local)
+        uses: actions/download-artifact@65a9edc5881444af0b9093a5e628f2fe47ea3b2e # v4.1.7
+        continue-on-error: true
+        with:
+          name: blob-report-local
+          path: test/e2e/reports/
+
+      - name: Stage blobs for merge
+        run: node test/e2e/collect-blob-reports.mjs
+
+      - name: Merge blob reports
+        run: npx playwright merge-reports -c test/e2e/playwright.merge.config.ts test/e2e/reports/blob
+
+      - name: Upload merged HTML report
+        id: upload-report
+        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
+        with:
+          name: playwright-report
+          path: test/e2e/reports/combined/
+          retention-days: 14
+
+      - name: Post report to PR
+        if: github.event_name == 'pull_request' && needs.e2e-local.result == 'failure'
+        uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea # v7.0.1
+        with:
+          script: |
+            const { default: postReportComment } = await import(
+              `${process.env.GITHUB_WORKSPACE}/test/e2e/post-report-comment.mjs`
+            );
+            await postReportComment({ github, context, core });

.github/workflows/pull-request-standards.yaml

@@ -1,7 +1,7 @@
 name: Pull request standards
 
 on:
-  pull_request_target: # zizmor: ignore[dangerous-triggers] -- safe: reads PR metadata from event payload only, no PR code checkout
+  pull_request_target: # zizmor: ignore[dangerous-triggers] -- safe: reads PR metadata from event payload only, checks out base repo scripts only, never PR head code
     types:
       - opened
       - edited
@@ -23,168 +23,16 @@ jobs:
     permissions:
       pull-requests: write # To label and comment on pull requests
     steps:
+      - name: Check out workflow scripts
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          persist-credentials: false
+          sparse-checkout: .github/scripts
       - name: Check pull request standards
         uses: actions/github-script@3a2844b7e9c422d3c10d287c895573f7108da1b3 # v9.0.0
         with:
           script: |
-            const pr = context.payload.pull_request;
-
-            // Exempt bots (Copilot agent, dependabot), drafts, and maintainers.
-            if (pr.user.type === "Bot") {
-              core.info(`Skipping bot author: ${pr.user.login}`);
-              return;
-            }
-            if (pr.draft) {
-              core.info("Skipping draft pull request");
-              return;
-            }
-            try {
-              await github.rest.orgs.checkMembershipForUser({
-                org: "home-assistant",
-                username: pr.user.login,
-              });
-              core.info(`Skipping organization member: ${pr.user.login}`);
-              return;
-            } catch (error) {
-              core.info(`${pr.user.login} is not an organization member, checking standards`);
-            }
-
-            const label = "Needs Template";
-            const marker = "<!-- pr-standards-check -->";
-            const { owner, repo } = context.repo;
-            const issue_number = pr.number;
-
-            const body = (pr.body || "").replace(/<!--[\s\S]*?-->/g, "");
-            const normalized = body.toLowerCase();
-
-            // Ignore 404s from mutations that race manual edits or cancelled runs.
-            const ignoreMissing = async (fn) => {
-              try {
-                await fn();
-              } catch (error) {
-                if (error.status === 404) {
-                  core.info("Target already removed, nothing to do");
-                  return;
-                }
-                throw error;
-              }
-            };
-
-            // Hide/restore our comment via GraphQL (REST cannot minimize).
-            const setMinimized = async (subjectId, minimized) => {
-              const mutation = minimized
-                ? `mutation($id: ID!) {
-                     minimizeComment(input: { subjectId: $id, classifier: RESOLVED }) {
-                       clientMutationId
-                     }
-                   }`
-                : `mutation($id: ID!) {
-                     unminimizeComment(input: { subjectId: $id }) {
-                       clientMutationId
-                     }
-                   }`;
-              try {
-                await github.graphql(mutation, { id: subjectId });
-              } catch (error) {
-                core.info(
-                  `Could not ${minimized ? "minimize" : "restore"} comment: ${error.message}`
-                );
-              }
-            };
-
-            // Content of a "## <name>" section, or null when the heading is absent.
-            const section = (name) => {
-              const match = body.match(
-                new RegExp(`##\\s${name}([\\s\\S]*?)(?=\\n##\\s|$)`, "i")
-              );
-              return match ? match[1] : null;
-            };
-
-            const problems = [];
-
-            const requiredHeadings = [
-              "## proposed change",
-              "## type of change",
-              "## checklist",
-            ];
-            if (requiredHeadings.some((h) => !normalized.includes(h))) {
-              problems.push(
-                "Use the pull request template without removing its sections."
-              );
-            }
-
-            const typeOfChange = section("type of change");
-            if (typeOfChange !== null) {
-              const ticked = (typeOfChange.match(/-\s*\[[xX]\]/g) || []).length;
-              if (ticked !== 1) {
-                problems.push(
-                  'Select exactly one option under "Type of change".'
-                );
-              }
-            }
-
-            const proposedChange = section("proposed change");
-            if (proposedChange !== null && proposedChange.trim().length === 0) {
-              problems.push('Describe your changes under "Proposed change".');
-            }
-
-            const isValid = problems.length === 0;
-
-            const comments = await github.paginate(
-              github.rest.issues.listComments,
-              { owner, repo, issue_number, per_page: 100 }
-            );
-            const existing = comments.find((c) => c.body.includes(marker));
-            const hasLabel = pr.labels.some((l) => l.name === label);
-
-            if (isValid) {
-              core.info("Pull request standards met");
-
-              if (hasLabel) {
-                await ignoreMissing(() =>
-                  github.rest.issues.removeLabel({
-                    owner, repo, issue_number, name: label,
-                  })
-                );
-              }
-              if (existing) {
-                await setMinimized(existing.node_id, true);
-              }
-              return;
-            }
-
-            core.info(`Pull request standards not met:\n- ${problems.join("\n- ")}`);
-
-            if (!hasLabel) {
-              await github.rest.issues.addLabels({
-                owner, repo, issue_number, labels: [label],
-              });
-            }
-
-            const message =
-              `${marker}\n` +
-              `Hey @${pr.user.login}!\n\n` +
-              `Thank you for your contribution! To help reviewers, please update ` +
-              `this pull request to follow our pull request standards:\n\n` +
-              problems.map((p) => `- ${p}`).join("\n") +
-              `\n\n` +
-              `Please complete the ` +
-              `[PR template](https://github.com/home-assistant/frontend/blob/dev/.github/PULL_REQUEST_TEMPLATE.md?plain=1) ` +
-              `and see the [developer docs](https://developers.home-assistant.io/docs/review-process) ` +
-              `for more on creating a great pull request (see point 6).`;
-
-            if (existing) {
-              await github.rest.issues.updateComment({
-                owner, repo, comment_id: existing.id, body: message,
-              });
-              await setMinimized(existing.node_id, false);
-            } else {
-              await github.rest.issues.createComment({
-                owner, repo, issue_number, body: message,
-              });
-            }
-
-            // Fail this check so it can block the PR from being merged
-            core.setFailed(
-              `Pull request standards not met:\n- ${problems.join("\n- ")}`
+            const { default: checkStandards } = await import(
+              `${process.env.GITHUB_WORKSPACE}/.github/scripts/check-pull-request-standards.mjs`
             );
+            await checkStandards({ github, context, core });

.github/workflows/restrict-task-creation.yml

@@ -36,52 +36,21 @@ jobs:
     name: Check authorization
     runs-on: ubuntu-latest
     permissions:
+      contents: read # To check out workflow scripts
       issues: write # To comment on, label, and close issues
     # Only run if this is a Task issue type (from the issue form)
     if: github.event.issue.type.name == 'Task'
     steps:
+      - name: Check out workflow scripts
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          persist-credentials: false
+          sparse-checkout: .github/scripts
       - name: Check if user is authorized
         uses: actions/github-script@3a2844b7e9c422d3c10d287c895573f7108da1b3 # v9.0.0
         with:
           script: |
-            const issueAuthor = context.payload.issue.user.login;
-
-            // Check if user is an organization member
-            try {
-              await github.rest.orgs.checkMembershipForUser({
-                org: 'home-assistant',
-                username: issueAuthor
-              });
-              console.log(`✅ ${issueAuthor} is an organization member`);
-              return; // Authorized
-            } catch (error) {
-              console.log(`❌ ${issueAuthor} is not authorized to create Task issues`);
-            }
-
-            // Close the issue with a comment
-            await github.rest.issues.createComment({
-              owner: context.repo.owner,
-              repo: context.repo.repo,
-              issue_number: context.issue.number,
-              body: `Hi @${issueAuthor}, thank you for your contribution!\n\n` +
-                    `Task issues are restricted to Open Home Foundation staff and authorized contributors.\n\n` +
-                    `If you would like to:\n` +
-                    `- Report a bug: Please use the [bug report form](https://github.com/home-assistant/frontend/issues/new?template=bug_report.yml)\n` +
-                    `- Request a feature: Please submit to [Feature Requests](https://github.com/orgs/home-assistant/discussions)\n\n` +
-                    `If you believe you should have access to create Task issues, please contact the maintainers.`
-            });
-
-            await github.rest.issues.update({
-              owner: context.repo.owner,
-              repo: context.repo.repo,
-              issue_number: context.issue.number,
-              state: 'closed'
-            });
-
-            // Add a label to indicate this was auto-closed
-            await github.rest.issues.addLabels({
-              owner: context.repo.owner,
-              repo: context.repo.repo,
-              issue_number: context.issue.number,
-              labels: ['auto-closed']
-            });
+            const { default: checkTaskAuthorization } = await import(
+              `${process.env.GITHUB_WORKSPACE}/.github/scripts/check-task-authorization.mjs`
+            );
+            await checkTaskAuthorization({ github, context, core });

.gitignore

@@ -54,8 +54,16 @@ src/cast/dev_const.ts
 # test coverage
 test/coverage/
 
+# Playwright e2e output
+test/e2e/reports/
+test/e2e/test-results/
+# E2E test app build output
+test/e2e/app/dist/
+
 # AI tooling
 .claude
 .cursor
 .opencode
+.serena
+
 test/benchmarks/results/

.nvmrc

@@ -1 +1 @@
-24.16.0
+24.18.0

.yarnrc.yml

@@ -13,4 +13,4 @@ nodeLinker: node-modules
 
 npmMinimalAgeGate: 3d
 
-yarnPath: .yarn/releases/yarn-4.16.0.cjs
+yarnPath: .yarn/releases/yarn-4.17.0.cjs

build-scripts/bundle-budget.json

@@ -0,0 +1,15 @@
+{
+  "_comment": "Initial JS budget (raw/uncompressed bytes) for the cold-load critical entrypoints. Enforced by build-scripts/check-bundle-size.cjs in CI. Re-seed after an intentional change with `--update --headroom=<percent>`.",
+  "frontend-modern": {
+    "app": 561513,
+    "core": 54473,
+    "authorize": 544272,
+    "onboarding": 647136
+  },
+  "frontend-legacy": {
+    "app": 790323,
+    "core": 237208,
+    "authorize": 765464,
+    "onboarding": 918679
+  }
+}

build-scripts/bundle.cjs

@@ -1,4 +1,3 @@
-/* global require, module, __dirname, process */
 const path = require("path");
 const env = require("./env.cjs");
 const paths = require("./paths.cjs");
@@ -84,12 +83,7 @@ module.exports.swcOptions = () => ({
   },
 });
 
-module.exports.babelOptions = ({
-  latestBuild,
-  isProdBuild,
-  isTestBuild,
-  sw,
-}) => ({
+module.exports.babelOptions = ({ latestBuild, isTestBuild, sw }) => ({
   babelrc: false,
   compact: false,
   assumptions: {
@@ -102,14 +96,22 @@ module.exports.babelOptions = ({
     [
       "@babel/preset-env",
       {
-        useBuiltIns: "usage",
-        corejs: dependencies["core-js"],
-        bugfixes: true,
         shippedProposals: true,
       },
     ],
   ],
   plugins: [
+    // Inject Core-JS polyfills on demand. Babel 8 removed preset-env's
+    // `useBuiltIns`/`corejs` options, so the equivalent polyfill provider is
+    // configured directly here (`usage-global` matches the old `useBuiltIns: "usage"`).
+    [
+      "babel-plugin-polyfill-corejs3",
+      {
+        method: "usage-global",
+        version: dependencies["core-js"],
+        shippedProposals: true,
+      },
+    ],
     [
       path.join(BABEL_PLUGINS, "inline-constants-plugin.cjs"),
       {
@@ -117,32 +119,14 @@ module.exports.babelOptions = ({
         ignoreModuleNotFound: true,
       },
     ],
-    // Minify template literals for production
-    isProdBuild && [
-      "template-html-minifier",
-      {
-        modules: {
-          ...Object.fromEntries(
-            ["lit", "lit-element", "lit-html"].map((m) => [
-              m,
-              [
-                "html",
-                { name: "svg", encapsulation: "svg" },
-                { name: "css", encapsulation: "style" },
-              ],
-            ])
-          ),
-          "@polymer/polymer/lib/utils/html-tag.js": ["html"],
-        },
-        strictCSS: true,
-        htmlMinifier: module.exports.htmlMinifierOptions,
-        failOnError: false, // we can turn this off in case of false positives
-      },
-    ],
-    // Import helpers and regenerator from runtime package
+    // Import helpers and regenerator from runtime package.
+    // `moduleName` is pinned so helpers resolve from `@babel/runtime`: the
+    // corejs3 polyfill provider above otherwise redirects them to the
+    // (uninstalled) `@babel/runtime-corejs3`, which preset-env used to suppress
+    // internally when it owned the polyfill injection via `useBuiltIns`.
     [
       "@babel/plugin-transform-runtime",
-      { version: dependencies["@babel/runtime"] },
+      { version: dependencies["@babel/runtime"], moduleName: "@babel/runtime" },
     ],
     "@babel/plugin-transform-class-properties",
     "@babel/plugin-transform-private-methods",
@@ -321,4 +305,22 @@ module.exports.config = {
       isLandingPageBuild: true,
     };
   },
+
+  e2eTestApp({ isProdBuild, latestBuild, isStatsBuild }) {
+    return {
+      name: "e2e-test-app" + nameSuffix(latestBuild),
+      entry: {
+        main: path.resolve(paths.e2eTestApp_dir, "src/entrypoint.ts"),
+      },
+      outputPath: outputPath(paths.e2eTestApp_output_root, latestBuild),
+      publicPath: publicPath(latestBuild),
+      defineOverlay: {
+        __VERSION__: JSON.stringify(`E2E-TEST-${env.version()}`),
+        __DEMO__: true,
+      },
+      isProdBuild,
+      latestBuild,
+      isStatsBuild,
+    };
+  },
 };

build-scripts/check-bundle-size.cjs

@@ -0,0 +1,155 @@
+/* global require, process, __dirname */
+// Enforce a strict size budget on the initial JS of the most critical
+// entrypoints (`app` and `core`). These two are downloaded on every cold load
+// before anything interactive can happen, so unintended growth here hurts
+// first-load performance directly.
+//
+// In production rspack does not split initial chunks (splitChunks only operates
+// on `!chunk.canBeInitial()`), so each entrypoint resolves to a single initial
+// JS asset. We read the per-build stats written by StatsWriterPlugin and compare
+// the entrypoint's initial JS size against a committed budget.
+//
+// Usage:
+//   node build-scripts/check-bundle-size.cjs            # enforce, exit 1 on regression
+//   node build-scripts/check-bundle-size.cjs --update    # rewrite budgets from current sizes
+//   node build-scripts/check-bundle-size.cjs --update --headroom=3   # current + 3% headroom
+
+const fs = require("fs");
+const path = require("path");
+const paths = require("./paths.cjs");
+
+// Entrypoints whose initial JS we hold to a strict budget. These are all
+// downloaded on a user-facing cold load before anything interactive can happen:
+// `app`/`core` for the main app, plus the standalone `authorize` and
+// `onboarding` pages. `custom-panel` is intentionally excluded (only loaded
+// when a custom panel is opened).
+const TRACKED_ENTRYPOINTS = ["app", "core", "authorize", "onboarding"];
+
+// App build stats files, as written by StatsWriterPlugin (`${name}.json`).
+const BUILDS = ["frontend-modern", "frontend-legacy"];
+
+const BUDGET_FILE = path.join(__dirname, "bundle-budget.json");
+const STATS_DIR = path.join(paths.build_dir, "stats");
+
+const readStats = (build) => {
+  const file = path.join(STATS_DIR, `${build}.json`);
+  if (!fs.existsSync(file)) {
+    throw new Error(
+      `Missing stats file: ${path.relative(process.cwd(), file)}.\n` +
+        `Run a production build first (e.g. \`gulp build-app\`), then re-run this check.`
+    );
+  }
+  return JSON.parse(fs.readFileSync(file, "utf8"));
+};
+
+// Initial JS bytes for an entrypoint = sum of the .js asset sizes of its initial
+// entry chunk(s). Sizes are raw (uncompressed) bytes, matching the stats output.
+const entrypointInitialJS = (stats, entrypoint) => {
+  const assetSize = new Map(stats.assets.map((a) => [a.name, a.size]));
+  let total = 0;
+  let found = false;
+  for (const chunk of stats.chunks) {
+    if (!chunk.entry || !chunk.initial) {
+      continue;
+    }
+    if (!(chunk.names || []).includes(entrypoint)) {
+      continue;
+    }
+    found = true;
+    for (const file of chunk.files || []) {
+      if (file.endsWith(".js") && assetSize.has(file)) {
+        total += assetSize.get(file);
+      }
+    }
+  }
+  if (!found) {
+    throw new Error(`Entrypoint "${entrypoint}" not found in bundle stats.`);
+  }
+  return total;
+};
+
+const kib = (bytes) => `${(bytes / 1024).toFixed(1)} KiB`;
+
+const main = () => {
+  const update = process.argv.includes("--update");
+  const headroomArg = process.argv.find((a) => a.startsWith("--headroom="));
+  const headroom = headroomArg ? Number(headroomArg.split("=")[1]) : 0;
+
+  const current = {};
+  for (const build of BUILDS) {
+    const stats = readStats(build);
+    current[build] = {};
+    for (const entrypoint of TRACKED_ENTRYPOINTS) {
+      current[build][entrypoint] = entrypointInitialJS(stats, entrypoint);
+    }
+  }
+
+  if (update) {
+    const budget = { _comment: BUDGET_COMMENT };
+    for (const build of BUILDS) {
+      budget[build] = {};
+      for (const entrypoint of TRACKED_ENTRYPOINTS) {
+        budget[build][entrypoint] = Math.ceil(
+          current[build][entrypoint] * (1 + headroom / 100)
+        );
+      }
+    }
+    fs.writeFileSync(BUDGET_FILE, `${JSON.stringify(budget, null, 2)}\n`);
+    console.log(
+      `Updated ${path.relative(process.cwd(), BUDGET_FILE)} from current sizes` +
+        (headroom ? ` (+${headroom}% headroom).` : ".")
+    );
+    return;
+  }
+
+  if (!fs.existsSync(BUDGET_FILE)) {
+    throw new Error(
+      `Missing budget file ${path.relative(process.cwd(), BUDGET_FILE)}.\n` +
+        `Seed it from a production build with: node build-scripts/check-bundle-size.cjs --update --headroom=3`
+    );
+  }
+  const budget = JSON.parse(fs.readFileSync(BUDGET_FILE, "utf8"));
+
+  let failed = false;
+  console.log("Initial JS budget (entry chunks, raw bytes):\n");
+  for (const build of BUILDS) {
+    for (const entrypoint of TRACKED_ENTRYPOINTS) {
+      const actual = current[build][entrypoint];
+      const limit = budget[build] && budget[build][entrypoint];
+      if (typeof limit !== "number") {
+        failed = true;
+        console.log(
+          `  ✗ ${build} / ${entrypoint}: no budget set (current ${kib(actual)})`
+        );
+        continue;
+      }
+      const ok = actual <= limit;
+      const delta = (((actual - limit) / limit) * 100).toFixed(1);
+      console.log(
+        `  ${ok ? "✓" : "✗"} ${build} / ${entrypoint}: ` +
+          `${kib(actual)} / ${kib(limit)}${ok ? "" : ` (+${delta}% over budget)`}`
+      );
+      if (!ok) {
+        failed = true;
+      }
+    }
+  }
+
+  if (failed) {
+    console.error(
+      "\nInitial JS budget exceeded for a critical entrypoint.\n" +
+        "Investigate what was pulled into the entry chunk (a static import that should be lazy?).\n" +
+        "If the growth is intentional, re-seed the budget:\n" +
+        "  node build-scripts/check-bundle-size.cjs --update --headroom=3"
+    );
+    process.exit(1);
+  }
+  console.log("\nAll tracked entrypoints within budget.");
+};
+
+const BUDGET_COMMENT =
+  "Initial JS budget (raw/uncompressed bytes) for the cold-load critical entrypoints. " +
+  "Enforced by build-scripts/check-bundle-size.cjs in CI. " +
+  "Re-seed after an intentional change with `--update --headroom=<percent>`.";
+
+main();

build-scripts/eslint.config.mjs

@@ -1,9 +1,13 @@
 // @ts-check
 
+import globals from "globals";
 import tseslint from "typescript-eslint";
 import rootConfig from "../eslint.config.mjs";
 
 export default tseslint.config(...rootConfig, {
+  languageOptions: {
+    globals: globals.node,
+  },
   rules: {
     "no-console": "off",
     "import-x/no-extraneous-dependencies": "off",

build-scripts/get-built-in-node-module-shim.cjs

@@ -1,4 +1,3 @@
-/* global module */
 // Browser-only replacement for core-js/internals/get-built-in-node-module.
 // The original helper evaluates `Function('return require("...")')()`
 // when it detects a Node environment, which causes a runtime

build-scripts/gulp/clean.js

@@ -45,3 +45,10 @@ gulp.task(
     ])
   )
 );
+
+gulp.task(
+  "clean-e2e-test-app",
+  gulp.parallel("clean-translations", async () =>
+    deleteSync([paths.e2eTestApp_output_root, paths.build_dir])
+  )
+);

build-scripts/gulp/e2e-test-app.js

@@ -0,0 +1,41 @@
+import gulp from "gulp";
+import "./clean.js";
+import "./entry-html.js";
+import "./gather-static.js";
+import "./gen-icons-json.js";
+import "./translations.js";
+import "./rspack.js";
+
+gulp.task(
+  "develop-e2e-test-app",
+  gulp.series(
+    async function setEnv() {
+      process.env.NODE_ENV = "development";
+    },
+    "clean-e2e-test-app",
+    "translations-enable-merge-backend",
+    gulp.parallel(
+      "gen-icons-json",
+      "gen-pages-e2e-test-app-dev",
+      "build-translations",
+      "build-locale-data"
+    ),
+    "copy-static-e2e-test-app",
+    "rspack-dev-server-e2e-test-app"
+  )
+);
+
+gulp.task(
+  "build-e2e-test-app",
+  gulp.series(
+    async function setEnv() {
+      process.env.NODE_ENV = "production";
+    },
+    "clean-e2e-test-app",
+    "translations-enable-merge-backend",
+    gulp.parallel("gen-icons-json", "build-translations", "build-locale-data"),
+    "copy-static-e2e-test-app",
+    "rspack-prod-e2e-test-app",
+    "gen-pages-e2e-test-app-prod"
+  )
+);

build-scripts/gulp/entry-html.js

@@ -1,4 +1,3 @@
-/* global process */
 // Tasks to generate entry HTML
 
 import {
@@ -268,3 +267,24 @@ gulp.task(
     paths.landingPage_output_es5
   )
 );
+
+const E2E_TEST_APP_PAGE_ENTRIES = { "index.html": ["main"] };
+
+gulp.task(
+  "gen-pages-e2e-test-app-dev",
+  genPagesDevTask(
+    E2E_TEST_APP_PAGE_ENTRIES,
+    paths.e2eTestApp_dir,
+    paths.e2eTestApp_output_root
+  )
+);
+
+gulp.task(
+  "gen-pages-e2e-test-app-prod",
+  genPagesProdTask(
+    E2E_TEST_APP_PAGE_ENTRIES,
+    paths.e2eTestApp_dir,
+    paths.e2eTestApp_output_root,
+    paths.e2eTestApp_output_latest
+  )
+);

build-scripts/gulp/gather-static.js

@@ -201,3 +201,23 @@ gulp.task("copy-static-landing-page", async () => {
   copyFonts(paths.landingPage_output_static);
   copyTranslations(paths.landingPage_output_static);
 });
+
+gulp.task("copy-static-e2e-test-app", async () => {
+  // Copy app static files (icons, polyfills, etc.)
+  fs.copySync(
+    polyPath("public/static"),
+    path.resolve(paths.e2eTestApp_output_root, "static")
+  );
+  // Copy e2e test app public files (manifest, sw stubs)
+  const e2ePublic = path.resolve(paths.e2eTestApp_dir, "public");
+  if (fs.existsSync(e2ePublic)) {
+    fs.copySync(e2ePublic, paths.e2eTestApp_output_root);
+  }
+
+  copyPolyfills(paths.e2eTestApp_output_static);
+  copyMapPanel(paths.e2eTestApp_output_static);
+  copyFonts(paths.e2eTestApp_output_static);
+  copyTranslations(paths.e2eTestApp_output_static);
+  copyLocaleData(paths.e2eTestApp_output_static);
+  copyMdiIcons(paths.e2eTestApp_output_static);
+});

build-scripts/gulp/index.mjs

@@ -4,6 +4,7 @@ import "./clean.js";
 import "./compress.js";
 import "./demo.js";
 import "./download-translations.js";
+import "./e2e-test-app.js";
 import "./entry-html.js";
 import "./fetch-nightly-translations.js";
 import "./gallery.js";

build-scripts/gulp/licenses.js

@@ -1,6 +1,6 @@
 // Gulp task to generate third-party license notices.
 
-import { readFile, access } from "fs/promises";
+import { readFile, access, readdir } from "fs/promises";
 import { generateLicenseFile } from "generate-license-file";
 import gulp from "gulp";
 import path from "path";
@@ -11,58 +11,98 @@ const OUTPUT_FILE = path.join(
   "third-party-licenses.txt"
 );
 
+const NODE_MODULES = path.resolve(paths.root_dir, "node_modules");
+
 // The echarts package ships an Apache-2.0 NOTICE file that must be
 // redistributed alongside the compiled output per Apache License §4(d).
-const NOTICE_FILES = [
-  path.resolve(paths.root_dir, "node_modules/echarts/NOTICE"),
-];
+const NOTICE_FILES = [path.join(NODE_MODULES, "echarts/NOTICE")];
 
-// type-fest ships two license files (MIT for code, CC0 for types).
-// We use the MIT license since that covers the bundled code.
+// Some packages need a manual license override (e.g. they ship multiple
+// license files and we must pick the right one for the bundled code).
 //
 // Each entry is pinned to a specific version. If a package is updated,
 // this list must be reviewed and the version updated after verifying
-// that the new version's license still matches. The build will fail
-// if the installed version does not match the pinned version.
+// that the new version's license still matches. The build will fail if
+// the pinned version is no longer installed.
 const LICENSE_OVERRIDES = [
   {
     // type-fest ships two license files (MIT for code, CC0 for types).
     // We use the MIT license since that covers the bundled code.
     packageName: "type-fest",
     version: "5.7.0",
-    licensePath: path.resolve(
-      paths.root_dir,
-      "node_modules/type-fest/license-mit"
-    ),
+    licenseFile: "license-mit",
   },
 ];
 
+// Locate the directory of an installed package matching an exact version.
+//
+// The copy we care about may be hoisted to the top-level node_modules or
+// nested under a dependency when a different version occupies the hoisted
+// slot (e.g. a build-only dependency pulling in an older release). Searching
+// both keeps this check independent of yarn's hoisting decisions, which can
+// shift when unrelated dependencies are added.
+async function findPackageDir(packageName, version) {
+  const candidateDirs = [path.join(NODE_MODULES, packageName)];
+
+  // Collect one level of nesting: node_modules/<dep>/node_modules/<pkg> and
+  // node_modules/@scope/<dep>/node_modules/<pkg>.
+  let topLevel = [];
+  try {
+    topLevel = await readdir(NODE_MODULES, { withFileTypes: true });
+  } catch {
+    // node_modules unreadable — fall back to the hoisted candidate only.
+  }
+  for (const entry of topLevel) {
+    if (!entry.isDirectory() || entry.name === packageName) {
+      continue;
+    }
+    if (entry.name.startsWith("@")) {
+      const scopeDir = path.join(NODE_MODULES, entry.name);
+      // eslint-disable-next-line no-await-in-loop
+      const scoped = await readdir(scopeDir, { withFileTypes: true }).catch(
+        () => []
+      );
+      for (const dep of scoped) {
+        if (dep.isDirectory()) {
+          candidateDirs.push(
+            path.join(scopeDir, dep.name, "node_modules", packageName)
+          );
+        }
+      }
+    } else {
+      candidateDirs.push(
+        path.join(NODE_MODULES, entry.name, "node_modules", packageName)
+      );
+    }
+  }
+
+  for (const dir of candidateDirs) {
+    // eslint-disable-next-line no-await-in-loop
+    const pkg = await readFile(path.join(dir, "package.json"), "utf-8")
+      .then(JSON.parse)
+      .catch(() => null);
+    if (pkg?.version === version) {
+      return dir;
+    }
+  }
+  return null;
+}
+
 gulp.task("gen-licenses", async () => {
   const licenseOverrides = {};
 
-  for (const { packageName, version, licensePath } of LICENSE_OVERRIDES) {
-    const pkgJsonPath = path.resolve(
-      paths.root_dir,
-      `node_modules/${packageName}/package.json`
-    );
+  for (const { packageName, version, licenseFile } of LICENSE_OVERRIDES) {
+    // eslint-disable-next-line no-await-in-loop
+    const packageDir = await findPackageDir(packageName, version);
 
-    let packageJSON;
-    try {
-      // eslint-disable-next-line no-await-in-loop
-      packageJSON = JSON.parse(await readFile(pkgJsonPath, "utf-8"));
-    } catch {
+    if (!packageDir) {
       throw new Error(
-        `package.json for "${packageName}" not found or unreadable at ${pkgJsonPath}`
-      );
-    }
-
-    if (packageJSON.version !== version) {
-      throw new Error(
-        `License override for "${packageName}" is pinned to version ${version}, but found version ${packageJSON.version}. ` +
+        `License override for "${packageName}" is pinned to version ${version}, but that version is not installed. ` +
           `Please verify the new version's license and update the override in build-scripts/gulp/licenses.js.`
       );
     }
 
+    const licensePath = path.join(packageDir, licenseFile);
     try {
       // eslint-disable-next-line no-await-in-loop
       await access(licensePath);

build-scripts/gulp/rspack.js

@@ -14,6 +14,7 @@ import {
   createDemoConfig,
   createGalleryConfig,
   createLandingPageConfig,
+  createE2eTestAppConfig,
 } from "../rspack.cjs";
 
 const bothBuilds = (createConfigFunc, params) => [
@@ -231,3 +232,22 @@ gulp.task("rspack-prod-landing-page", () =>
     })
   )
 );
+
+gulp.task("rspack-dev-server-e2e-test-app", () =>
+  runDevServer({
+    compiler: rspack(
+      createE2eTestAppConfig({ isProdBuild: false, latestBuild: true })
+    ),
+    contentBase: paths.e2eTestApp_output_root,
+    port: 8095,
+  })
+);
+
+gulp.task("rspack-prod-e2e-test-app", () =>
+  prodBuild(
+    bothBuilds(createE2eTestAppConfig, {
+      isProdBuild: true,
+      isStatsBuild: env.isStatsBuild(),
+    })
+  )
+);

build-scripts/list-plugins-and-polyfills.js

@@ -48,6 +48,12 @@ for (const buildType of ["Modern", "Legacy"]) {
   const browserslistEnv = buildType.toLowerCase();
   const babelOpts = babelOptions({ latestBuild: browserslistEnv === "modern" });
   const presetEnvOpts = babelOpts.presets[0][1];
+  // Core-JS polyfills are injected by babel-plugin-polyfill-corejs3 (Babel 8
+  // removed preset-env's `useBuiltIns`), so read its options here.
+  const corejsOpts = babelOpts.plugins.find(
+    (plugin) =>
+      Array.isArray(plugin) && plugin[0] === "babel-plugin-polyfill-corejs3"
+  )?.[1];
 
   // Invoking preset-env in debug mode will log the included plugins
   console.log(detailsOpen(`${buildType} Build Babel Plugins`));
@@ -59,16 +65,16 @@ for (const buildType of ["Modern", "Legacy"]) {
   console.log(detailsClose);
 
   // Manually log the Core-JS polyfills using the same technique
-  if (presetEnvOpts.useBuiltIns) {
+  if (corejsOpts) {
     console.log(detailsOpen(`${buildType} Build Core-JS Polyfills`));
     const targets = compilationTargets.default(babelOpts?.targets, {
       browserslistEnv,
     });
     const polyfillList = coreJSCompat({ targets }).list.filter(
       polyfillFilter(
-        `${presetEnvOpts.useBuiltIns}-global`,
-        presetEnvOpts?.corejs?.proposals,
-        presetEnvOpts?.shippedProposals
+        corejsOpts.method,
+        corejsOpts.proposals,
+        corejsOpts.shippedProposals
       )
     );
     console.log(

build-scripts/lit-disable-dev-mode-loader.cjs

@@ -0,0 +1,8 @@
+/* global module */
+
+module.exports = function litDisableDevModeLoader(source) {
+  return source.replace(
+    /\b(const|let|var) DEV_MODE = true;/g,
+    "$1 DEV_MODE = false;"
+  );
+};

build-scripts/minify-template-literals-loader.cjs

@@ -0,0 +1,63 @@
+/* global module, require */
+// rspack/webpack loader that minifies the HTML, SVG, and CSS inside lit
+// tagged template literals using `minify-literals` (html-minifier-next +
+// lightningcss). Replaces the unmaintained babel-plugin-template-html-minifier.
+//
+// It runs between swc and babel: swc has already stripped TS types and
+// decorators (so minify-literals' acorn parser only sees plain ESM), but the
+// `html`/`css`/`svg` tagged templates are still intact at ES2021. Running after
+// babel instead would miss the legacy build, where babel lowers the templates
+// to `_taggedTemplateLiteral()` calls that no longer look like tagged templates.
+
+const remapping = require("@ampproject/remapping");
+
+// minify-literals is ESM-only, so load it via dynamic import from this CJS loader.
+let minifyPromise;
+const getMinifier = () => {
+  if (!minifyPromise) {
+    minifyPromise = import("minify-literals").then((m) => m.minifyHTMLLiterals);
+  }
+  return minifyPromise;
+};
+
+// HTML options mirror the previous babel-plugin-template-html-minifier config
+// (html-minifier-next is option-compatible with html-minifier-terser). CSS in
+// css`` templates and inline <style> is handled by minify-literals' lightningcss
+// default.
+const htmlOptions = {
+  caseSensitive: true,
+  collapseWhitespace: true,
+  conservativeCollapse: true,
+  decodeEntities: true,
+  removeComments: true,
+  removeRedundantAttributes: true,
+};
+
+module.exports = function minifyTemplateLiteralsLoader(source, map, meta) {
+  const callback = this.async();
+  getMinifier()
+    .then((minifyHTMLLiterals) =>
+      minifyHTMLLiterals(source, {
+        fileName: this.resourcePath,
+        html: htmlOptions,
+      })
+    )
+    .then((result) => {
+      if (!result) {
+        // No tagged templates changed; pass through untouched (incl. incoming map).
+        callback(null, source, map, meta);
+        return;
+      }
+      // minify-literals builds its map from `source` alone, so `result.map`
+      // describes minified output -> this loader's input (the swc output), not
+      // the original file. Compose it over the incoming map (swc output ->
+      // original source) so the map handed downstream still points at the
+      // original source; otherwise every minified file's source map is wrong.
+      const outMap =
+        map && result.map
+          ? remapping([result.map, map], () => null)
+          : (result.map ?? map);
+      callback(null, result.code, outMap, meta);
+    })
+    .catch(callback);
+};

build-scripts/paths.cjs

@@ -50,4 +50,15 @@ module.exports = {
   ),
 
   translations_src: path.resolve(__dirname, "../src/translations"),
+
+  e2eTestApp_dir: path.resolve(__dirname, "../test/e2e/app"),
+  e2eTestApp_output_root: path.resolve(__dirname, "../test/e2e/app/dist"),
+  e2eTestApp_output_static: path.resolve(
+    __dirname,
+    "../test/e2e/app/dist/static"
+  ),
+  e2eTestApp_output_latest: path.resolve(
+    __dirname,
+    "../test/e2e/app/dist/frontend_latest"
+  ),
 };

build-scripts/rspack.cjs

@@ -1,4 +1,3 @@
-/* global require, module, __dirname */
 const { existsSync } = require("fs");
 const path = require("path");
 const rspack = require("@rspack/core");
@@ -48,6 +47,12 @@ const createRspackConfig = ({
     dontHash = new Set();
   }
   const ignorePackages = bundle.ignorePackages({ latestBuild });
+  const litHtmlRoot = path.resolve(__dirname, "../node_modules/lit-html");
+  const litHtmlDevelopmentRoot = path.join(litHtmlRoot, "development");
+  const litDisableDevModeLoader = path.join(
+    __dirname,
+    "lit-disable-dev-mode-loader.cjs"
+  );
   return {
     name,
     mode: isProdBuild ? "production" : "development",
@@ -67,25 +72,42 @@ const createRspackConfig = ({
         {
           test: /\.m?js$|\.ts$/,
           exclude: /node_modules[\\/]core-js/,
-          use: (info) => [
-            {
-              loader: "babel-loader",
-              options: {
-                ...bundle.babelOptions({
-                  latestBuild,
-                  isProdBuild,
-                  isTestBuild,
-                  sw: info.issuerLayer === "sw",
-                }),
-                cacheDirectory: !isProdBuild,
-                cacheCompression: false,
+          use: (info) =>
+            [
+              {
+                loader: "babel-loader",
+                options: {
+                  ...bundle.babelOptions({
+                    latestBuild,
+                    isTestBuild,
+                    sw: info.issuerLayer === "sw",
+                  }),
+                  cacheDirectory: !isProdBuild,
+                  cacheCompression: false,
+                },
               },
-            },
-            {
-              loader: "builtin:swc-loader",
-              options: bundle.swcOptions(),
-            },
-          ],
+              // Minify lit html/svg/css tagged template literals for production.
+              // Must run after swc (TS/decorators stripped, but templates kept at
+              // ES2021) and before babel — otherwise the legacy build lowers
+              // html`` to _taggedTemplateLiteral() calls that can no longer be
+              // matched, leaving legacy templates unminified.
+              isProdBuild && {
+                loader: path.join(
+                  __dirname,
+                  "minify-template-literals-loader.cjs"
+                ),
+              },
+              !latestBuild &&
+                info.resource.startsWith(
+                  `${litHtmlDevelopmentRoot}${path.sep}`
+                ) && {
+                  loader: litDisableDevModeLoader,
+                },
+              {
+                loader: "builtin:swc-loader",
+                options: bundle.swcOptions(),
+              },
+            ].filter(Boolean),
           resolve: {
             fullySpecified: false,
           },
@@ -132,6 +154,47 @@ const createRspackConfig = ({
         // Only include the JS of entrypoints
         filter: (file) => file.isInitial && !file.name.endsWith(".map"),
       }),
+      // Babel can miscompile Lit's pre-minified runtime when downleveling to
+      // ES5. Compile lit-html from its development sources for legacy builds,
+      // then let the normal production minifier handle the final bundle.
+      !latestBuild &&
+        new rspack.NormalModuleReplacementPlugin(
+          /^(?:lit-html(?:\/.*)?|\.{1,2}\/.*\.js)$/,
+          (resource) => {
+            if (resource.request === "lit-html") {
+              resource.request = path.join(
+                litHtmlDevelopmentRoot,
+                "lit-html.js"
+              );
+              return;
+            }
+            if (resource.request.startsWith("lit-html/")) {
+              if (resource.request.startsWith("lit-html/development/")) {
+                return;
+              }
+              resource.request = path.join(
+                litHtmlDevelopmentRoot,
+                resource.request.slice("lit-html/".length)
+              );
+              return;
+            }
+            if (
+              resource.context.startsWith(`${litHtmlRoot}${path.sep}`) &&
+              resource.context !== litHtmlDevelopmentRoot &&
+              !resource.context.startsWith(
+                `${litHtmlDevelopmentRoot}${path.sep}`
+              )
+            ) {
+              resource.request = path.join(
+                litHtmlDevelopmentRoot,
+                path.relative(
+                  litHtmlRoot,
+                  path.resolve(resource.context, resource.request)
+                )
+              );
+            }
+          }
+        ),
       new rspack.DefinePlugin(
         bundle.definedVars({ isProdBuild, latestBuild, defineOverlay })
       ),
@@ -338,6 +401,11 @@ const createGalleryConfig = ({ isProdBuild, latestBuild }) =>
 const createLandingPageConfig = ({ isProdBuild, latestBuild }) =>
   createRspackConfig(bundle.config.landingPage({ isProdBuild, latestBuild }));
 
+const createE2eTestAppConfig = ({ isProdBuild, latestBuild, isStatsBuild }) =>
+  createRspackConfig(
+    bundle.config.e2eTestApp({ isProdBuild, latestBuild, isStatsBuild })
+  );
+
 module.exports = {
   createAppConfig,
   createDemoConfig,
@@ -345,4 +413,5 @@ module.exports = {
   createGalleryConfig,
   createRspackConfig,
   createLandingPageConfig,
+  createE2eTestAppConfig,
 };

demo/src/ha-demo.ts

@@ -53,6 +53,7 @@ const CONFIG_PANEL_COMMANDS = [
   "config/scene/config",
   "search/related",
   "tag/list",
+  "assist_pipeline/",
 ];
 
 @customElement("ha-demo")
@@ -65,7 +66,9 @@ export class HaDemo extends HomeAssistantAppEl {
         this._updateHass(hassUpdate),
     };
 
-    const hass = provideHass(this, initial, true);
+    // `false` for contexts: HomeAssistantAppEl already provides them via
+    // `contextMixin`, so let provideHass skip them to avoid duplicate providers.
+    const hass = provideHass(this, initial, true, false);
     const localizePromise =
       // @ts-ignore
       this._loadFragmentTranslations(hass.language, "page-demo").then(

demo/src/stubs/assist.ts

@@ -0,0 +1,53 @@
+import type { AssistPipeline } from "../../../src/data/assist_pipeline";
+import type { MockHomeAssistant } from "../../../src/fake_data/provide_hass";
+
+const pipelines: AssistPipeline[] = [
+  {
+    id: "01home_assistant_cloud",
+    name: "Home Assistant Cloud",
+    language: "en",
+    conversation_engine: "conversation.home_assistant",
+    conversation_language: "en",
+    stt_engine: "cloud",
+    stt_language: "en-US",
+    tts_engine: "cloud",
+    tts_language: "en-US",
+    tts_voice: "JennyNeural",
+    wake_word_entity: null,
+    wake_word_id: null,
+  },
+  {
+    id: "01local",
+    name: "Local",
+    language: "en",
+    conversation_engine: "conversation.home_assistant",
+    conversation_language: "en",
+    stt_engine: "stt.faster_whisper",
+    stt_language: "en",
+    tts_engine: "tts.piper",
+    tts_language: "en",
+    tts_voice: null,
+    wake_word_entity: null,
+    wake_word_id: null,
+  },
+];
+
+export const mockAssist = (hass: MockHomeAssistant) => {
+  // Stub for assist pipeline list — returns a cloud and a local pipeline so the
+  // voice assistants config panel shows configured assistants.
+  hass.mockWS("assist_pipeline/pipeline/list", () => ({
+    pipelines,
+    preferred_pipeline: "01home_assistant_cloud",
+  }));
+
+  // Stub for assist pipeline run — immediately sends run-end event so
+  // the UI does not hang waiting for a response.
+  hass.mockWS("assist_pipeline/run", (_msg, _hass, onChange) => {
+    if (onChange) {
+      onChange({
+        type: "run-end",
+      });
+    }
+    return null;
+  });
+};

demo/src/stubs/config-panel.ts

@@ -1,5 +1,6 @@
 import type { MockHomeAssistant } from "../../../src/fake_data/provide_hass";
 import { mockApplicationCredentials } from "./application_credentials";
+import { mockAssist } from "./assist";
 import { mockAutomation } from "./automation";
 import { mockBackup } from "./backup";
 import { mockBlueprint } from "./blueprint";
@@ -37,4 +38,5 @@ export const mockConfigPanel = (hass: MockHomeAssistant) => {
   mockScene(hass);
   mockSearch(hass);
   mockTags(hass);
+  mockAssist(hass);
 };

demo/src/stubs/expose.ts

@@ -2,22 +2,27 @@ import type { ExposeEntitySettings } from "../../../src/data/expose";
 import type { MockHomeAssistant } from "../../../src/fake_data/provide_hass";
 
 const exposedEntities: Record<string, ExposeEntitySettings> = {
-  "light.bed_light": {
+  "light.floor_lamp": {
     conversation: true,
     "cloud.alexa": true,
     "cloud.google_assistant": true,
   },
-  "light.ceiling_lights": {
+  "light.living_room_spotlights": {
     conversation: true,
     "cloud.alexa": true,
     "cloud.google_assistant": false,
   },
-  "switch.decorative_lights": {
+  "light.bar_lamp": {
     conversation: true,
     "cloud.alexa": false,
     "cloud.google_assistant": true,
   },
-  "climate.ecobee": {
+  "light.kitchen_spotlights": {
+    conversation: true,
+    "cloud.alexa": true,
+    "cloud.google_assistant": true,
+  },
+  "light.outdoor_light": {
     conversation: true,
     "cloud.alexa": true,
     "cloud.google_assistant": true,

demo/src/stubs/update.ts

@@ -0,0 +1,5 @@
+import type { MockHomeAssistant } from "../../../src/fake_data/provide_hass";
+
+export const mockUpdate = (hass: MockHomeAssistant) => {
+  hass.mockWS("update/list", () => []);
+};

eslint.config.mjs

@@ -234,6 +234,18 @@ export default tseslint.config(
       globals: globals.serviceworker,
     },
   },
+  {
+    files: ["test/e2e/*.mjs"],
+    languageOptions: {
+      globals: globals.node,
+    },
+  },
+  {
+    files: [".github/scripts/*.mjs"],
+    languageOptions: {
+      globals: globals.node,
+    },
+  },
   {
     plugins: {
       html,

gallery/src/data/traces/not-triggered-trace.ts

@@ -0,0 +1,75 @@
+import type { DemoTrace } from "./types";
+
+export const notTriggeredTrace: DemoTrace = {
+  trace: {
+    last_step: "trigger/0",
+    run_id: "788767ce152d3d4475134bf1107986d4",
+    state: "stopped",
+    script_execution: "not_triggered",
+    not_triggered: true,
+    timestamp: {
+      start: "2021-03-25T04:36:51.223337+00:00",
+      finish: "2021-03-25T04:36:51.223341+00:00",
+    },
+    // Not-triggered traces have no trigger description.
+    trigger: null,
+    domain: "automation",
+    item_id: "1781703842452",
+    trace: {
+      "trigger/0": [
+        {
+          path: "trigger/0",
+          timestamp: "2021-03-25T04:36:51.223340+00:00",
+          changed_variables: {
+            trigger: {
+              id: "0",
+              idx: "0",
+              alias: null,
+              platform: "light.turned_on",
+            },
+          },
+          result: {
+            reason: "new_state_not_a_match",
+            data: {
+              entity_id: "light.bed_light",
+              to_state: "off",
+            },
+          },
+        },
+      ],
+    },
+    config: {
+      id: "1781703842452",
+      alias: "Light Turned On Notification",
+      description: "Send a notification when a specific light is turned on.",
+      triggers: [
+        {
+          trigger: "light.turned_on",
+          target: {
+            floor_id: "test",
+          },
+          options: {
+            for: "00:00:00",
+            behavior: "each",
+          },
+        },
+      ],
+      conditions: [],
+      actions: [
+        {
+          action: "notify.notify",
+          data: {
+            message: "A light was turned on.",
+          },
+        },
+      ],
+      mode: "single",
+    },
+    context: {
+      id: "01KVAX7CG7XBDYGJYAGA4XJHGX",
+      parent_id: "01KVAX7CG631JRX4H3JS5JJ11Q",
+      user_id: null,
+    },
+  },
+  logbookEntries: [],
+};

gallery/src/ha-gallery.ts

@@ -1,3 +1,4 @@
+import { ContextProvider } from "@lit/context";
 import { mdiCog, mdiMenu } from "@mdi/js";
 import type { Connection } from "home-assistant-js-websocket";
 import type { PropertyValues } from "lit";
@@ -19,6 +20,22 @@ import "../../src/components/ha-svg-icon";
 import "../../src/components/ha-top-app-bar-fixed";
 import "../../src/managers/notification-manager";
 import { haStyle } from "../../src/resources/styles";
+import {
+  apiContext,
+  areasContext,
+  configContext,
+  connectionContext,
+  devicesContext,
+  entitiesContext,
+  floorsContext,
+  formattersContext,
+  internationalizationContext,
+  registriesContext,
+  servicesContext,
+  statesContext,
+  uiContext,
+} from "../../src/data/context";
+import { updateHassGroups } from "../../src/data/context/updateContext";
 import type { HomeAssistant, ThemeSettings } from "../../src/types";
 import { PAGES, SIDEBAR } from "../build/import-pages";
 import {
@@ -113,6 +130,65 @@ class HaGallery extends LitElement {
 
   @state() private _drawerOpen = !this._narrow;
 
+  // Fallback Lit context providers for the whole gallery. The real app's root
+  // element provides these via `contextMixin`; here we mirror that so demos
+  // which render context-consuming components without setting up their own hass
+  // (e.g. bare component demos) still resolve `localize`, formatters, config,
+  // etc. instead of throwing during init. Demos that call `provideHass`
+  // register their own providers closer in the tree, which take precedence.
+  private _contextProviders = {
+    registries: new ContextProvider(this, { context: registriesContext }),
+    internationalization: new ContextProvider(this, {
+      context: internationalizationContext,
+    }),
+    api: new ContextProvider(this, { context: apiContext }),
+    connection: new ContextProvider(this, { context: connectionContext }),
+    ui: new ContextProvider(this, { context: uiContext }),
+    config: new ContextProvider(this, { context: configContext }),
+    formatters: new ContextProvider(this, { context: formattersContext }),
+  };
+
+  // The individual (non-grouped) contexts contextMixin also provides. Components
+  // such as ha-area-picker / ha-entity-picker consume these directly, so the
+  // fallback must cover them too.
+  private _singleContextProviders = {
+    states: new ContextProvider(this, { context: statesContext }),
+    services: new ContextProvider(this, { context: servicesContext }),
+    entities: new ContextProvider(this, { context: entitiesContext }),
+    devices: new ContextProvider(this, { context: devicesContext }),
+    areas: new ContextProvider(this, { context: areasContext }),
+    floors: new ContextProvider(this, { context: floorsContext }),
+  };
+
+  protected willUpdate(changedProps: PropertyValues<this>) {
+    super.willUpdate(changedProps);
+    // Refresh the fallback contexts before each render so theme/page changes in
+    // the gallery hass propagate to consuming components.
+    const hass = this._galleryHass;
+    (
+      Object.keys(
+        this._contextProviders
+      ) as (keyof typeof this._contextProviders)[]
+    ).forEach((group) => {
+      const provider = this._contextProviders[group];
+      provider.setValue(
+        (updateHassGroups[group] as (h: HomeAssistant, v?: any) => any)(
+          hass,
+          provider.value
+        )
+      );
+    });
+    (
+      Object.keys(
+        this._singleContextProviders
+      ) as (keyof typeof this._singleContextProviders)[]
+    ).forEach((key) => {
+      (this._singleContextProviders[key] as ContextProvider<any>).setValue(
+        hass[key]
+      );
+    });
+  }
+
   render() {
     const isSettingsPage = this._page === SETTINGS_PAGE;
     const page = isSettingsPage ? undefined : PAGES[this._page];
@@ -576,6 +652,21 @@ class HaGallery extends LitElement {
       callWS: async () => undefined,
       fetchWithAuth: async () => new Response(),
       sendWS: () => undefined,
+      formatEntityState: (stateObj, stateValue) =>
+        (stateValue != null ? stateValue : stateObj.state) ?? "",
+      formatEntityStateToParts: (stateObj, stateValue) => [
+        {
+          type: "value",
+          value: (stateValue != null ? stateValue : stateObj.state) ?? "",
+        },
+      ],
+      formatEntityAttributeName: (_stateObj, attribute) => attribute,
+      formatEntityAttributeValue: (stateObj, attribute, value) =>
+        value != null ? value : (stateObj.attributes[attribute] ?? ""),
+      formatEntityName: (stateObj, type) =>
+        typeof type === "string"
+          ? type
+          : (stateObj.attributes.friendly_name ?? stateObj.entity_id),
     } as unknown as HomeAssistant;
   }
 

gallery/src/pages/automation/trace-timeline.ts

@@ -24,6 +24,33 @@ const traces: DemoTrace[] = [
     error: 'Variable "beer" cannot be None',
   }),
   mockDemoTrace({ state: "stopped", script_execution: "cancelled" }),
+  mockDemoTrace({
+    state: "stopped",
+    script_execution: "not_triggered",
+    not_triggered: true,
+    // Not-triggered traces have no trigger description.
+    trigger: null,
+    trace: {
+      "trigger/0": [
+        {
+          path: "trigger/0",
+          changed_variables: {
+            trigger: {
+              id: "0",
+              idx: "0",
+              alias: null,
+              platform: "light.turned_on",
+            },
+          },
+          result: {
+            reason: "new_state_not_a_match",
+            data: { entity_id: "light.bed_light", to_state: "off" },
+          },
+          timestamp: "2021-03-25T04:36:51.223693+00:00",
+        },
+      ],
+    },
+  }),
 ];
 
 @customElement("demo-automation-trace-timeline")

gallery/src/pages/automation/trace.ts

@@ -2,17 +2,20 @@
 
 import type { PropertyValues } from "lit";
 import { css, html, LitElement, nothing } from "lit";
-import { customElement, property, state } from "lit/decorators";
+import { customElement, property, queryAll, state } from "lit/decorators";
 import "../../../../src/components/ha-card";
+import "../../../../src/components/trace/ha-trace-path-details";
+import type { HatScriptGraph } from "../../../../src/components/trace/hat-script-graph";
 import "../../../../src/components/trace/hat-script-graph";
 import "../../../../src/components/trace/hat-trace-timeline";
 import { provideHass } from "../../../../src/fake_data/provide_hass";
 import type { HomeAssistant } from "../../../../src/types";
 import { basicTrace } from "../../data/traces/basic_trace";
 import { motionLightTrace } from "../../data/traces/motion-light-trace";
+import { notTriggeredTrace } from "../../data/traces/not-triggered-trace";
 import type { DemoTrace } from "../../data/traces/types";
 
-const traces: DemoTrace[] = [basicTrace, motionLightTrace];
+const traces: DemoTrace[] = [basicTrace, motionLightTrace, notTriggeredTrace];
 
 @customElement("demo-automation-trace")
 export class DemoAutomationTrace extends LitElement {
@@ -20,18 +23,25 @@ export class DemoAutomationTrace extends LitElement {
 
   @state() private _selected = {};
 
+  @queryAll("hat-script-graph") private _graphs!: NodeListOf<HatScriptGraph>;
+
   protected render() {
     if (!this.hass) {
       return nothing;
     }
     return html`
-      ${traces.map(
-        (trace, idx) => html`
+      ${traces.map((trace, idx) => {
+        const graph = this._graphs?.[idx];
+        const selectedPath = this._selected[idx];
+        const selectedNode = selectedPath
+          ? graph?.renderedNodes[selectedPath]
+          : undefined;
+        return html`
           <ha-card .header=${trace.trace.config.alias}>
             <div class="card-content">
               <hat-script-graph
                 .trace=${trace.trace}
-                .selected=${this._selected[idx]}
+                .selected=${selectedPath}
                 @graph-node-selected=${this._handleGraphNodeSelected}
                 .sampleIdx=${idx}
               ></hat-script-graph>
@@ -40,15 +50,25 @@ export class DemoAutomationTrace extends LitElement {
                 .hass=${this.hass}
                 .trace=${trace.trace}
                 .logbookEntries=${trace.logbookEntries}
-                .selectedPath=${this._selected[idx]}
+                .selectedPath=${selectedPath}
                 @value-changed=${this._handleTimelineValueChanged}
                 .sampleIdx=${idx}
               ></hat-trace-timeline>
+              ${selectedNode && graph
+                ? html`<ha-trace-path-details
+                    .hass=${this.hass}
+                    .trace=${trace.trace}
+                    .selected=${selectedNode}
+                    .logbookEntries=${trace.logbookEntries}
+                    .trackedNodes=${graph.trackedNodes}
+                    .renderedNodes=${graph.renderedNodes}
+                  ></ha-trace-path-details>`
+                : nothing}
               <button @click=${() => console.log(trace)}>Log trace</button>
             </div>
           </ha-card>
-        `
-      )}
+        `;
+      })}
     `;
   }
 

gallery/src/pages/components/ha-selector.ts

@@ -496,6 +496,10 @@ const SCHEMAS: {
                   },
                 },
               },
+              password: {
+                label: "Password",
+                selector: { text: { type: "password" } },
+              },
             },
           },
         },

gallery/src/pages/misc/box-shadow.ts

@@ -1,5 +1,6 @@
 import { css, html, LitElement } from "lit";
 import { customElement } from "lit/decorators";
+import { styleMap } from "lit/directives/style-map";
 import { THEME_COMPARISON_PANELS } from "../../components/demo-theme-comparison";
 
 const SHADOWS = ["s", "m", "l"] as const;
@@ -17,7 +18,9 @@ export class DemoMiscBoxShadow extends LitElement {
                   (size) => html`
                     <div
                       class="box"
-                      style="box-shadow: var(--ha-box-shadow-${size})"
+                      style=${styleMap({
+                        boxShadow: `var(--ha-box-shadow-${size})`,
+                      })}
                     >
                       ${size}
                     </div>

gallery/src/pages/misc/entity-state.ts

@@ -353,7 +353,6 @@ export class DemoEntityState extends LitElement {
           title: "Icon",
           template: (entry) => html`
             <state-badge
-              .hass=${hass}
               .stateObj=${entry.stateObj}
               .stateColor=${true}
             ></state-badge>

package.json

@@ -22,13 +22,19 @@
     "postpack": "pinst --enable",
     "test": "vitest run --config test/vitest.config.ts",
     "test:bench": "vitest bench --run --config test/vitest.bench.config.ts",
-    "test:coverage": "vitest run --config test/vitest.config.ts --coverage"
+    "test:coverage": "vitest run --config test/vitest.config.ts --coverage",
+    "check-bundlesize": "node build-scripts/check-bundle-size.cjs",
+    "test:e2e": "node test/e2e/run-suites.mjs demo app gallery",
+    "test:e2e:show-report": "yarn playwright show-report test/e2e/reports/combined",
+    "test:e2e:demo": "playwright test --config test/e2e/playwright.demo.config.ts",
+    "test:e2e:app": "playwright test --config test/e2e/playwright.app.config.ts",
+    "test:e2e:gallery": "playwright test --config test/e2e/playwright.gallery.config.ts"
   },
   "author": "Paulus Schoutsen <Paulus@PaulusSchoutsen.nl> (http://paulusschoutsen.nl)",
   "license": "Apache-2.0",
   "type": "module",
   "dependencies": {
-    "@babel/runtime": "7.29.7",
+    "@babel/runtime": "8.0.0",
     "@braintree/sanitize-url": "7.1.2",
     "@codemirror/autocomplete": "6.20.3",
     "@codemirror/commands": "6.10.3",
@@ -36,26 +42,26 @@
     "@codemirror/lang-yaml": "6.1.3",
     "@codemirror/language": "6.12.3",
     "@codemirror/lint": "6.9.7",
-    "@codemirror/search": "6.7.0",
+    "@codemirror/search": "6.7.1",
     "@codemirror/state": "6.6.0",
     "@codemirror/view": "6.43.1",
     "@date-fns/tz": "1.5.0",
     "@egjs/hammerjs": "2.0.17",
     "@formatjs/intl-datetimeformat": "7.4.9",
     "@formatjs/intl-displaynames": "7.3.10",
-    "@formatjs/intl-durationformat": "0.10.14",
+    "@formatjs/intl-durationformat": "0.10.15",
     "@formatjs/intl-getcanonicallocales": "3.2.10",
     "@formatjs/intl-listformat": "8.3.10",
     "@formatjs/intl-locale": "5.3.9",
     "@formatjs/intl-numberformat": "9.3.11",
     "@formatjs/intl-pluralrules": "6.3.10",
     "@formatjs/intl-relativetimeformat": "12.3.10",
-    "@fullcalendar/core": "6.1.20",
-    "@fullcalendar/daygrid": "6.1.20",
-    "@fullcalendar/interaction": "6.1.20",
-    "@fullcalendar/list": "6.1.20",
-    "@fullcalendar/luxon3": "6.1.20",
-    "@fullcalendar/timegrid": "6.1.20",
+    "@fullcalendar/core": "6.1.21",
+    "@fullcalendar/daygrid": "6.1.21",
+    "@fullcalendar/interaction": "6.1.21",
+    "@fullcalendar/list": "6.1.21",
+    "@fullcalendar/luxon3": "6.1.21",
+    "@fullcalendar/timegrid": "6.1.21",
     "@home-assistant/webawesome": "3.7.0-ha.0",
     "@lezer/highlight": "1.2.3",
     "@lit-labs/motion": "1.1.0",
@@ -63,6 +69,7 @@
     "@lit-labs/virtualizer": "2.1.1",
     "@lit/context": "1.1.6",
     "@lit/reactive-element": "2.1.2",
+    "@lit/task": "1.0.3",
     "@material/mwc-formfield": "patch:@material/mwc-formfield@npm%3A0.27.0#~/.yarn/patches/@material-mwc-formfield-npm-0.27.0-9528cb60f6.patch",
     "@material/mwc-list": "patch:@material/mwc-list@npm%3A0.27.0#~/.yarn/patches/@material-mwc-list-npm-0.27.0-5344fc9de4.patch",
     "@material/web": "2.4.1",
@@ -71,8 +78,8 @@
     "@replit/codemirror-indentation-markers": "6.5.3",
     "@swc/helpers": "0.5.23",
     "@thomasloven/round-slider": "0.6.0",
-    "@tsparticles/engine": "4.1.3",
-    "@tsparticles/preset-links": "4.1.3",
+    "@tsparticles/engine": "4.2.1",
+    "@tsparticles/preset-links": "4.2.1",
     "@vibrant/color": "4.0.4",
     "@webcomponents/scoped-custom-element-registry": "0.0.10",
     "@webcomponents/webcomponentsjs": "2.8.0",
@@ -126,10 +133,11 @@
     "xss": "1.0.15"
   },
   "devDependencies": {
-    "@babel/core": "7.29.7",
-    "@babel/helper-define-polyfill-provider": "0.6.8",
-    "@babel/plugin-transform-runtime": "7.29.7",
-    "@babel/preset-env": "7.29.7",
+    "@ampproject/remapping": "2.3.0",
+    "@babel/core": "8.0.1",
+    "@babel/helper-define-polyfill-provider": "1.0.0",
+    "@babel/plugin-transform-runtime": "8.0.1",
+    "@babel/preset-env": "8.0.2",
     "@bundle-stats/plugin-webpack-filter": "4.22.2",
     "@eslint/js": "10.0.1",
     "@html-eslint/eslint-plugin": "0.62.0",
@@ -137,9 +145,11 @@
     "@octokit/auth-oauth-device": "8.0.3",
     "@octokit/plugin-retry": "8.1.0",
     "@octokit/rest": "22.0.1",
-    "@rsdoctor/rspack-plugin": "1.5.13",
+    "@playwright/test": "1.61.0",
+    "@rsdoctor/rspack-plugin": "1.5.15",
     "@rspack/core": "2.0.8",
-    "@rspack/dev-server": "2.0.3",
+    "@rspack/dev-server": "2.1.0",
+    "@types/babel__plugin-transform-runtime": "7.9.5",
     "@types/chromecast-caf-receiver": "6.0.26",
     "@types/chromecast-caf-sender": "1.0.11",
     "@types/color-name": "2.0.0",
@@ -150,13 +160,13 @@
     "@types/leaflet-draw": "1.0.13",
     "@types/leaflet.markercluster": "1.5.6",
     "@types/lodash.merge": "4.6.9",
-    "@types/luxon": "3.7.1",
+    "@types/luxon": "3.7.2",
     "@types/qrcode": "1.5.6",
     "@types/sortablejs": "1.15.9",
     "@types/tar": "7.0.87",
-    "@vitest/coverage-v8": "4.1.8",
+    "@vitest/coverage-v8": "4.1.9",
     "babel-loader": "10.1.1",
-    "babel-plugin-template-html-minifier": "4.1.0",
+    "babel-plugin-polyfill-corejs3": "1.0.0",
     "browserslist-useragent-regexp": "4.1.4",
     "del": "8.0.1",
     "eslint": "10.5.0",
@@ -181,11 +191,12 @@
     "jsdom": "29.1.1",
     "jszip": "3.10.1",
     "license-checker-rseidelsohn": "5.0.1",
-    "lint-staged": "17.0.7",
+    "lint-staged": "17.0.8",
     "lit-analyzer": "2.0.3",
     "lodash.merge": "4.6.2",
     "lodash.template": "4.18.1",
     "map-stream": "0.0.7",
+    "minify-literals": "2.0.2",
     "pinst": "3.0.0",
     "prettier": "3.8.4",
     "rspack-manifest-plugin": "5.2.2",
@@ -195,9 +206,9 @@
     "terser-webpack-plugin": "5.6.1",
     "ts-lit-plugin": "2.0.2",
     "typescript": "6.0.3",
-    "typescript-eslint": "8.61.0",
+    "typescript-eslint": "8.61.1",
     "vite-tsconfig-paths": "6.1.1",
-    "vitest": "4.1.8",
+    "vitest": "4.1.9",
     "webpack-stats-plugin": "1.1.3",
     "webpackbar": "7.0.0",
     "workbox-build": "patch:workbox-build@npm%3A7.4.1#~/.yarn/patches/workbox-build-npm-7.4.1-c84561662c.patch"
@@ -207,14 +218,14 @@
     "lit-html": "3.3.3",
     "clean-css": "5.3.3",
     "@lit/reactive-element": "2.1.2",
-    "@fullcalendar/daygrid": "6.1.20",
+    "@fullcalendar/daygrid": "6.1.21",
     "globals": "17.6.0",
     "tslib": "2.8.1",
     "@material/mwc-list@^0.27.0": "patch:@material/mwc-list@npm%3A0.27.0#~/.yarn/patches/@material-mwc-list-npm-0.27.0-5344fc9de4.patch",
     "glob@^10.2.2": "^10.5.0"
   },
-  "packageManager": "yarn@4.16.0",
+  "packageManager": "yarn@4.17.0",
   "volta": {
-    "node": "24.16.0"
+    "node": "24.18.0"
   }
 }

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name         = "home-assistant-frontend"
-version      = "20260527.0"
+version      = "20260624.0"
 license      = "Apache-2.0"
 license-files = ["LICENSE*"]
 description  = "The Home Assistant frontend"

src/common/config/can_show_page.ts

@@ -4,7 +4,8 @@ import { ensureArray } from "../array/ensure-array";
 import { isComponentLoaded } from "./is_component_loaded";
 
 export const canShowPage = (hass: HomeAssistant, page: PageNavigation) =>
-  isCore(page) || isLoadedIntegration(hass, page);
+  (isCore(page) || isLoadedIntegration(hass, page)) &&
+  (!page.filter || page.filter(hass));
 
 export const isLoadedIntegration = (
   hass: HomeAssistant,

src/common/const.ts

@@ -110,6 +110,25 @@ export const DOMAINS_WITH_DYNAMIC_PICTURE = new Set([
   "media_player",
 ]);
 
+/** Domains that use a timestamp for state. */
+export const TIMESTAMP_STATE_DOMAINS = new Set([
+  "ai_task",
+  "button",
+  "conversation",
+  "event",
+  "image",
+  "infrared",
+  "input_button",
+  "notify",
+  "radio_frequency",
+  "scene",
+  "stt",
+  "tag",
+  "tts",
+  "wake_word",
+  "datetime",
+]);
+
 /** Temperature units. */
 export const UNIT_C = "°C";
 export const UNIT_F = "°F";

src/common/controllers/async-value-task.ts

@@ -0,0 +1,29 @@
+import { Task, type TaskConfig } from "@lit/task";
+import type { ReactiveControllerHost } from "lit";
+
+/**
+ * A `@lit/task` Task with a sticky `resolved` flag: false until the task has
+ * completed once, then true. Lets callers tell "still loading" apart from
+ * "resolved with an empty value" without a null sentinel, while keeping the
+ * previous value during a re-run.
+ */
+export class AsyncValueTask<T extends readonly unknown[], R> extends Task<
+  T,
+  R
+> {
+  private _resolved = false;
+
+  constructor(host: ReactiveControllerHost, config: TaskConfig<T, R>) {
+    super(host, {
+      ...config,
+      onComplete: (value) => {
+        this._resolved = true;
+        config.onComplete?.(value);
+      },
+    });
+  }
+
+  public get resolved(): boolean {
+    return this._resolved;
+  }
+}

src/common/datetime/duration_to_seconds.ts

@@ -1,4 +1,13 @@
+import type { HaDurationData } from "../../components/ha-duration-input";
+
 export default function durationToSeconds(duration: string): number {
   const parts = duration.split(":").map(Number);
   return parts[0] * 3600 + parts[1] * 60 + parts[2];
 }
+
+export const durationDataToSeconds = (duration: HaDurationData): number =>
+  (duration.days || 0) * 86400 +
+  (duration.hours || 0) * 3600 +
+  (duration.minutes || 0) * 60 +
+  (duration.seconds || 0) +
+  (duration.milliseconds || 0) / 1000;

src/common/datetime/relative_time.ts

@@ -3,23 +3,24 @@ import type { FrontendLocaleData } from "../../data/translation";
 import { selectUnit } from "../util/select-unit";
 
 const formatRelTimeMem = memoizeOne(
-  (locale: FrontendLocaleData) =>
-    new Intl.RelativeTimeFormat(locale.language, { numeric: "auto" })
+  (locale: FrontendLocaleData, style: Intl.RelativeTimeFormatStyle) =>
+    new Intl.RelativeTimeFormat(locale.language, { numeric: "auto", style })
 );
 
 export const relativeTime = (
   from: Date,
   locale: FrontendLocaleData,
   to?: Date,
-  includeTense = true
+  includeTense = true,
+  style: Intl.RelativeTimeFormatStyle = "long"
 ): string => {
   const diff = selectUnit(from, to, locale);
   if (includeTense) {
-    return formatRelTimeMem(locale).format(diff.value, diff.unit);
+    return formatRelTimeMem(locale, style).format(diff.value, diff.unit);
   }
   return Intl.NumberFormat(locale.language, {
     style: "unit",
     unit: diff.unit,
-    unitDisplay: "long",
+    unitDisplay: style,
   }).format(Math.abs(diff.value));
 };

src/common/entity/compute_attribute_display.ts

@@ -60,6 +60,17 @@ export const computeAttributeValueToParts = (
     return [{ type: "value", value: localize("state.default.unknown") }];
   }
 
+  // Device class attribute, return the integration's translated name
+  if (attribute === "device_class" && typeof attributeValue === "string") {
+    const domain = computeStateDomain(stateObj);
+    const deviceClassName = localize(
+      `component.${domain}.entity_component.${attributeValue}.name`
+    );
+    if (deviceClassName) {
+      return [{ type: "value", value: deviceClassName }];
+    }
+  }
+
   // Number value, return formatted number
   if (typeof attributeValue === "number") {
     const domain = computeStateDomain(stateObj);

src/common/entity/compute_entity_name_display.ts

@@ -125,7 +125,15 @@ export interface EntityPickerDisplay {
 }
 
 export const computeEntityPickerDisplay = (
-  hass: HomeAssistant,
+  hass: Pick<
+    HomeAssistant,
+    | "entities"
+    | "devices"
+    | "areas"
+    | "floors"
+    | "language"
+    | "translationMetadata"
+  >,
   stateObj: HassEntity
 ): EntityPickerDisplay => {
   const [entityName, deviceName, areaName] = computeEntityNameList(

src/common/entity/compute_entity_unit_display.ts

@@ -1,6 +1,7 @@
 import type { HassEntity } from "home-assistant-js-websocket";
 import { UNAVAILABLE, UNKNOWN } from "../../data/entity/entity";
 import type { HomeAssistant } from "../../types";
+import { unitFromParts } from "./value_parts";
 
 interface EntityUnitStubConfig {
   entity: string;
@@ -40,5 +41,5 @@ export const computeEntityUnitDisplay = (
     ? hass.formatEntityAttributeValueToParts(stateObj, config.attribute)
     : hass.formatEntityStateToParts(stateObj);
 
-  return parts.find((part) => part.type === "unit")?.value ?? "";
+  return unitFromParts(parts);
 };

src/common/entity/compute_state_display.ts

@@ -21,29 +21,11 @@ import {
   isNumericSensorDeviceClass,
   SENSOR_TIMESTAMP_DEVICE_CLASSES,
 } from "../../data/sensor";
+import { TIMESTAMP_STATE_DOMAINS } from "../const";
 
 // Domains whose state is a timezone-agnostic date and/or time string.
 const DATE_TIME_DOMAINS = new Set(["date", "input_datetime", "time"]);
 
-// Domains whose state is a timestamp.
-const TIMESTAMP_DOMAINS = new Set([
-  "ai_task",
-  "button",
-  "conversation",
-  "event",
-  "image",
-  "infrared",
-  "input_button",
-  "notify",
-  "radio_frequency",
-  "scene",
-  "stt",
-  "tag",
-  "tts",
-  "wake_word",
-  "datetime",
-]);
-
 // Maps Intl.NumberFormat part types to ValuePart types for monetary states.
 const MONETARY_TYPE_MAP: Record<string, ValuePart["type"]> = {
   integer: "value",
@@ -178,7 +160,8 @@ const computeStateToPartsFromEntityAttributes = (
           const type = MONETARY_TYPE_MAP[part.type];
           if (!type) continue;
           const last = valueParts[valueParts.length - 1];
-          // Merge consecutive value parts (e.g. "-" + "12" + "." + "00" → "-12.00")
+          // Merge consecutive value parts so the number stays a single part
+          // (e.g. "-" + "12" + "." + "00" → "-12.00")
           if (type === "value" && last?.type === "value") {
             last.value += part.value;
           } else {
@@ -273,7 +256,7 @@ const computeStateToPartsFromEntityAttributes = (
 
   // state is a timestamp
   if (
-    TIMESTAMP_DOMAINS.has(domain) ||
+    TIMESTAMP_STATE_DOMAINS.has(domain) ||
     (domain === "sensor" &&
       SENSOR_TIMESTAMP_DEVICE_CLASSES.includes(attributes.device_class))
   ) {

src/common/entity/feature_class_names.ts

@@ -1,23 +0,0 @@
-import type { HassEntity } from "home-assistant-js-websocket";
-import { supportsFeature } from "./supports-feature";
-
-export type FeatureClassNames<T extends number = number> = Partial<
-  Record<T, string>
->;
-
-// Expects classNames to be an object mapping feature-bit -> className
-export const featureClassNames = (
-  stateObj: HassEntity,
-  classNames: FeatureClassNames
-) => {
-  if (!stateObj || !stateObj.attributes.supported_features) {
-    return "";
-  }
-
-  return Object.keys(classNames)
-    .map((feature) =>
-      supportsFeature(stateObj, Number(feature)) ? classNames[feature] : ""
-    )
-    .filter((attr) => attr !== "")
-    .join(" ");
-};

src/common/entity/get_domain_features.ts

@@ -0,0 +1,56 @@
+import { AITaskEntityFeature } from "../../data/ai_task";
+import { AlarmControlPanelEntityFeature } from "../../data/alarm_control_panel";
+import { AssistSatelliteEntityFeature } from "../../data/assist_satellite";
+import { CalendarEntityFeature } from "../../data/calendar";
+import { CameraEntityFeature } from "../../data/camera";
+import { ClimateEntityFeature } from "../../data/climate";
+import { ConversationEntityFeature } from "../../data/conversation";
+import { CoverEntityFeature } from "../../data/cover";
+import { FanEntityFeature } from "../../data/fan";
+import { HumidifierEntityFeature } from "../../data/humidifier";
+import { LawnMowerEntityFeature } from "../../data/lawn_mower";
+import { LightEntityFeature } from "../../data/light";
+import { LockEntityFeature } from "../../data/lock";
+import { MediaPlayerEntityFeature } from "../../data/media-player";
+import { NotifyEntityFeature } from "../../data/notify";
+import { RemoteEntityFeature } from "../../data/remote";
+import { SirenEntityFeature } from "../../data/siren";
+import { TodoListEntityFeature } from "../../data/todo";
+import { UpdateEntityFeature } from "../../data/update";
+import { VacuumEntityFeature } from "../../data/vacuum";
+import { ValveEntityFeature } from "../../data/valve";
+import { WaterHeaterEntityFeature } from "../../data/water_heater";
+import { WeatherEntityFeature } from "../../data/weather";
+
+export type FeatureEnum = Record<string | number, string | number>;
+
+const DOMAIN_ENUMS = {
+  ai_task: AITaskEntityFeature,
+  alarm_control_panel: AlarmControlPanelEntityFeature,
+  assist_satellite: AssistSatelliteEntityFeature,
+  calendar: CalendarEntityFeature,
+  camera: CameraEntityFeature,
+  climate: ClimateEntityFeature,
+  conversation: ConversationEntityFeature,
+  cover: CoverEntityFeature,
+  fan: FanEntityFeature,
+  humidifier: HumidifierEntityFeature,
+  lawn_mower: LawnMowerEntityFeature,
+  light: LightEntityFeature,
+  lock: LockEntityFeature,
+  media_player: MediaPlayerEntityFeature,
+  notify: NotifyEntityFeature,
+  remote: RemoteEntityFeature,
+  siren: SirenEntityFeature,
+  todo: TodoListEntityFeature,
+  update: UpdateEntityFeature,
+  vacuum: VacuumEntityFeature,
+  valve: ValveEntityFeature,
+  water_heater: WaterHeaterEntityFeature,
+  weather: WeatherEntityFeature,
+};
+
+export function getFeatures(domain: string): FeatureEnum | undefined {
+  const enumObj = DOMAIN_ENUMS[domain] as FeatureEnum;
+  return enumObj;
+}

src/common/entity/get_states.ts

@@ -22,16 +22,13 @@ export const FIXED_DOMAIN_STATES = {
   assist_satellite: ["idle", "listening", "responding", "processing"],
   automation: ["on", "off"],
   binary_sensor: ["on", "off"],
-  button: [],
   calendar: ["on", "off"],
   camera: ["idle", "recording", "streaming"],
   cover: ["closed", "closing", "open", "opening"],
   device_tracker: ["home", "not_home"],
   fan: ["on", "off"],
   humidifier: ["on", "off"],
-  infrared: [],
   input_boolean: ["on", "off"],
-  input_button: [],
   lawn_mower: ["error", "paused", "mowing", "returning", "docked"],
   light: ["on", "off"],
   lock: [
@@ -56,7 +53,6 @@ export const FIXED_DOMAIN_STATES = {
   plant: ["ok", "problem"],
   radio_frequency: [],
   remote: ["on", "off"],
-  scene: [],
   schedule: ["on", "off"],
   script: ["on", "off"],
   siren: ["on", "off"],
@@ -290,6 +286,81 @@ export const getStatesDomain = (
   return result;
 };
 
+// Maps a value attribute (or the main state, keyed `_`) to the attribute listing
+// its options. Naming is irregular per domain, so it's mapped explicitly.
+export const DOMAIN_OPTIONS_ATTRIBUTES: Record<
+  string,
+  Record<string, string>
+> = {
+  climate: {
+    _: "hvac_modes",
+    fan_mode: "fan_modes",
+    preset_mode: "preset_modes",
+    swing_mode: "swing_modes",
+    swing_horizontal_mode: "swing_horizontal_modes",
+  },
+  event: {
+    event_type: "event_types",
+  },
+  fan: {
+    preset_mode: "preset_modes",
+  },
+  humidifier: {
+    mode: "available_modes",
+  },
+  input_select: {
+    _: "options",
+  },
+  select: {
+    _: "options",
+  },
+  light: {
+    effect: "effect_list",
+    color_mode: "supported_color_modes",
+  },
+  media_player: {
+    sound_mode: "sound_mode_list",
+    source: "source_list",
+  },
+  remote: {
+    current_activity: "activity_list",
+  },
+  sensor: {
+    _: "options",
+  },
+  vacuum: {
+    fan_speed: "fan_speed_list",
+  },
+  water_heater: {
+    _: "operation_list",
+    operation_mode: "operation_list",
+  },
+};
+
+const DOMAIN_VALUE_ATTRIBUTES: Record<
+  string,
+  Record<string, string>
+> = Object.fromEntries(
+  Object.entries(DOMAIN_OPTIONS_ATTRIBUTES).map(([domain, mapping]) => [
+    domain,
+    Object.fromEntries(
+      Object.entries(mapping).map(([value, list]) => [list, value])
+    ),
+  ])
+);
+
+// value attribute (or main state) → its options-list attribute
+export const getOptionsAttribute = (
+  domain: string,
+  attribute?: string
+): string | undefined => DOMAIN_OPTIONS_ATTRIBUTES[domain]?.[attribute ?? "_"];
+
+// options-list attribute → its value attribute (`_` = main state)
+export const getValueAttribute = (
+  domain: string,
+  optionsAttribute: string
+): string | undefined => DOMAIN_VALUE_ATTRIBUTES[domain]?.[optionsAttribute];
+
 export const getStates = (
   hass: HomeAssistant,
   state: HassEntity,
@@ -302,78 +373,15 @@ export const getStates = (
   result.push(...getStatesDomain(hass, domain, attribute));
 
   // Dynamic values based on the entities
-  switch (domain) {
-    case "climate":
-      if (!attribute) {
-        result.push(...state.attributes.hvac_modes);
-      } else if (attribute === "fan_mode") {
-        result.push(...state.attributes.fan_modes);
-      } else if (attribute === "preset_mode") {
-        result.push(...state.attributes.preset_modes);
-      } else if (attribute === "swing_mode") {
-        result.push(...state.attributes.swing_modes);
-      } else if (attribute === "swing_horizontal_mode") {
-        result.push(...state.attributes.swing_horizontal_modes);
-      }
-      break;
-    case "event":
-      if (attribute === "event_type") {
-        result.push(...state.attributes.event_types);
-      }
-      break;
-    case "fan":
-      if (attribute === "preset_mode") {
-        result.push(...state.attributes.preset_modes);
-      }
-      break;
-    case "humidifier":
-      if (attribute === "mode") {
-        result.push(...state.attributes.available_modes);
-      }
-      break;
-    case "input_select":
-    case "select":
-      if (!attribute) {
-        result.push(...state.attributes.options);
-      }
-      break;
-    case "light":
-      if (attribute === "effect" && state.attributes.effect_list) {
-        result.push(...state.attributes.effect_list);
-      } else if (
-        attribute === "color_mode" &&
-        state.attributes.supported_color_modes
-      ) {
-        result.push(...state.attributes.supported_color_modes);
-      }
-      break;
-    case "media_player":
-      if (attribute === "sound_mode") {
-        result.push(...state.attributes.sound_mode_list);
-      } else if (attribute === "source") {
-        result.push(...state.attributes.source_list);
-      }
-      break;
-    case "remote":
-      if (attribute === "current_activity") {
-        result.push(...state.attributes.activity_list);
-      }
-      break;
-    case "sensor":
-      if (!attribute && state.attributes.device_class === "enum") {
-        result.push(...state.attributes.options);
-      }
-      break;
-    case "vacuum":
-      if (attribute === "fan_speed") {
-        result.push(...state.attributes.fan_speed_list);
-      }
-      break;
-    case "water_heater":
-      if (!attribute || attribute === "operation_mode") {
-        result.push(...state.attributes.operation_list);
-      }
-      break;
+  const optionsAttribute = getOptionsAttribute(domain, attribute);
+  if (optionsAttribute) {
+    const options = state.attributes[optionsAttribute];
+    // Sensors only expose their options when their device class is `enum`.
+    const enumSensor =
+      domain !== "sensor" || state.attributes.device_class === "enum";
+    if (enumSensor && Array.isArray(options)) {
+      result.push(...options);
+    }
   }
 
   return [...new Set(result)];

src/common/entity/state_active.ts

@@ -1,21 +1,13 @@
 import type { HassEntity } from "home-assistant-js-websocket";
 import { OFF, UNAVAILABLE, UNKNOWN } from "../../data/entity/entity";
 import { computeDomain } from "./compute_domain";
+import { TIMESTAMP_STATE_DOMAINS } from "../const";
 
 export function stateActive(stateObj: HassEntity, state?: string): boolean {
   const domain = computeDomain(stateObj.entity_id);
   const compareState = state !== undefined ? state : stateObj?.state;
 
-  if (
-    [
-      "button",
-      "event",
-      "infrared",
-      "input_button",
-      "radio_frequency",
-      "scene",
-    ].includes(domain)
-  ) {
+  if (TIMESTAMP_STATE_DOMAINS.has(domain)) {
     return compareState !== UNAVAILABLE;
   }
 

src/common/entity/value_parts.ts

@@ -0,0 +1,29 @@
+import type { ValuePart } from "../../types";
+
+// Joins every part except the unit, keeping native order so the sign and
+// grouping stay with the value (e.g. "-2,548.14").
+export const valueFromParts = (parts: ValuePart[]): string =>
+  parts
+    .filter((part) => part.type !== "unit")
+    .map((part) => part.value)
+    .join("")
+    .trim();
+
+export const unitFromParts = (parts: ValuePart[]): string =>
+  parts.find((part) => part.type === "unit")?.value ?? "";
+
+export type UnitPosition = "before" | "after";
+
+// Whether the unit sits before or after the value in the locale's native order
+// (e.g. "$5" / "€ 5" → "before", "5 €" / "5 %" → "after").
+export const unitPosition = (parts: ValuePart[]): UnitPosition => {
+  const unitIndex = parts.findIndex((part) => part.type === "unit");
+  if (unitIndex === -1) {
+    return "after";
+  }
+  const lastValueIndex = parts.reduceRight(
+    (acc, part, i) => (acc === -1 && part.type === "value" ? i : acc),
+    -1
+  );
+  return unitIndex < lastValueIndex ? "before" : "after";
+};

src/common/search/related-context.ts

@@ -1,5 +1,5 @@
 import type { PickerComboBoxItem } from "../../components/ha-picker-combo-box";
-import type { RelatedResult } from "../../data/search";
+import type { ItemType, RelatedResult } from "../../data/search";
 
 export interface RelatedIdSets {
   areas: Set<string>;
@@ -8,14 +8,30 @@ export interface RelatedIdSets {
 }
 
 /**
- * Build a set of related IDs for a given related result.
+ * Build a set of related IDs, merging in the current (queried) item.
+ * `search/related` does not echo the queried item back, but it is the closest
+ * related item (e.g. a card editor's own entity), so it is merged into the
+ * matching group when it is an area, device, or entity.
  * @param related - The related result to build the sets from.
- * @returns The related ID sets.
+ * @param current - The queried item to merge in.
+ * @returns The related ID sets, including the current item.
  */
-export const buildRelatedIdSets = (related?: RelatedResult): RelatedIdSets => ({
-  areas: new Set(related?.area || []),
-  devices: new Set(related?.device || []),
-  entities: new Set(related?.entity || []),
+export const buildRelatedIdSets = (
+  related?: RelatedResult,
+  current?: { itemType: ItemType; itemId: string }
+): RelatedIdSets => ({
+  areas: new Set([
+    ...(related?.area || []),
+    ...(current?.itemType === "area" ? [current.itemId] : []),
+  ]),
+  devices: new Set([
+    ...(related?.device || []),
+    ...(current?.itemType === "device" ? [current.itemId] : []),
+  ]),
+  entities: new Set([
+    ...(related?.entity || []),
+    ...(current?.itemType === "entity" ? [current.itemId] : []),
+  ]),
 });
 
 /**

src/common/translations/localize.ts

@@ -17,8 +17,6 @@ export type LocalizeKeys =
   | `ui.common.${string}`
   | `ui.components.calendar.event.rrule.${string}`
   | `ui.components.selectors.file.${string}`
-  | `ui.components.logbook.messages.detected_device_classes.${string}`
-  | `ui.components.logbook.messages.cleared_device_classes.${string}`
   | `ui.dialogs.entity_registry.editor.${string}`
   | `ui.dialogs.more_info_control.lawn_mower.${string}`
   | `ui.dialogs.more_info_control.vacuum.${string}`

src/common/util/strip-defaults.ts

@@ -0,0 +1,26 @@
+/**
+ * Return a shallow copy of an object with every key removed whose value is
+ * `undefined` or equals that key's default, so a key left at its default
+ * (whether absent or explicit) does not count as a difference. A key's default
+ * comes from `defaults` when present, otherwise `false`.
+ *
+ * Non-plain-object values are returned unchanged; only top-level keys are
+ * compared.
+ */
+export const stripDefaults = <T>(
+  value: T,
+  defaults?: Record<string, unknown>
+): T => {
+  if (value === null || typeof value !== "object" || Array.isArray(value)) {
+    return value;
+  }
+  const result: Record<string, unknown> = {};
+  for (const [key, val] of Object.entries(value)) {
+    const defaultValue = defaults && key in defaults ? defaults[key] : false;
+    if (val === undefined || val === defaultValue) {
+      continue;
+    }
+    result[key] = val;
+  }
+  return result as T;
+};

src/common/util/time-cache-entity-promise-func.ts

@@ -4,10 +4,10 @@ type ResultCache<T> = Record<string, Promise<T> | undefined>;
 
 /**
  * Call a function with result caching per entity.
- * @param cacheKey key to store the cache on hass object
+ * @param cacheKey key to namespace the cache
  * @param cacheTime time to cache the results
  * @param func function to fetch the data
- * @param hass Home Assistant object
+ * @param hass Home Assistant object (or slice) the cache is keyed on
  * @param entityId entity to fetch data for
  * @param args extra arguments to pass to the function to fetch the data
  * @returns
@@ -15,8 +15,12 @@ type ResultCache<T> = Record<string, Promise<T> | undefined>;
 export const timeCacheEntityPromiseFunc = async <T>(
   cacheKey: string,
   cacheTime: number,
-  func: (hass: HomeAssistant, entityId: string, ...args: any[]) => Promise<T>,
-  hass: HomeAssistant,
+  func: (
+    hass: Pick<HomeAssistant, "callWS" | "hassUrl">,
+    entityId: string,
+    ...args: any[]
+  ) => Promise<T>,
+  hass: Pick<HomeAssistant, "callWS" | "hassUrl">,
   entityId: string,
   ...args: any[]
 ): Promise<T> => {
@@ -39,11 +43,11 @@ export const timeCacheEntityPromiseFunc = async <T>(
     // When successful, set timer to clear cache
     () =>
       setTimeout(() => {
-        cache![entityId] = undefined;
+        cache[entityId] = undefined;
       }, cacheTime),
     // On failure, clear cache right away
     () => {
-      cache![entityId] = undefined;
+      cache[entityId] = undefined;
     }
   );
 

src/components/automation/ha-automation-row-live-test.ts

@@ -1,5 +1,12 @@
 import { LitElement, css, html } from "lit";
 import { customElement, property } from "lit/decorators";
+import "../ha-svg-icon";
+import {
+  mdiAlertCircle,
+  mdiCheckCircle,
+  mdiCloseCircle,
+  mdiHelpCircle,
+} from "@mdi/js";
 
 export type LiveTestState = "pass" | "fail" | "invalid" | "unknown";
 
@@ -19,46 +26,59 @@ export class HaAutomationRowLiveTest extends LitElement {
 
   @property() public label = "";
 
+  private get _iconPath() {
+    switch (this.state) {
+      case "pass":
+        return mdiCheckCircle;
+      case "fail":
+        return mdiCloseCircle;
+      case "invalid":
+        return mdiAlertCircle;
+      default:
+        return mdiHelpCircle;
+    }
+  }
+
   protected render() {
     return html`
-      <div
-        id="indicator"
-        role="status"
-        tabindex="0"
-        aria-label=${this.label}
-      ></div>
+      <div id="indicator" role="status" tabindex="0" aria-label=${this.label}>
+        <ha-svg-icon .path=${this._iconPath}></ha-svg-icon>
+      </div>
     `;
   }
 
   static styles = css`
     :host {
       position: absolute;
-      top: -5px;
-      inset-inline-end: -6px;
+      top: -8px;
+      inset-inline-end: -8px;
       display: inline-block;
     }
     #indicator {
-      width: 10px;
-      height: 10px;
+      width: 16px;
+      height: 16px;
+      display: grid;
+      place-items: center;
       border-radius: var(--ha-border-radius-circle);
-      border: var(--ha-border-width-md) solid;
-      box-sizing: border-box;
       background-color: var(--card-background-color);
-      box-shadow: 0 0 0 2px var(--card-background-color);
       transition: all var(--ha-animation-duration-normal) ease-in-out;
     }
+    #indicator ha-svg-icon {
+      width: 16px;
+      height: 16px;
+      --mdc-icon-size: 16px;
+    }
     :host([state="pass"]) #indicator {
-      background-color: var(--ha-color-green-60);
-      border-color: var(--ha-color-green-60);
+      color: var(--ha-color-green-60);
     }
     :host([state="fail"]) #indicator {
-      border-color: var(--ha-color-orange-60);
+      color: var(--ha-color-orange-60);
     }
     :host([state="invalid"]) #indicator {
-      border-color: var(--ha-color-red-60);
+      color: var(--ha-color-red-60);
     }
     :host([state="unknown"]) #indicator {
-      border-color: var(--ha-color-neutral-60);
+      color: var(--ha-color-neutral-60);
     }
   `;
 }

src/components/buttons/ha-call-service-button.ts

@@ -1,16 +1,18 @@
+import { consume, type ContextType } from "@lit/context";
 import type { TemplateResult } from "lit";
 import { LitElement, html } from "lit";
 import { customElement, property } from "lit/decorators";
 import type { HassServiceTarget } from "home-assistant-js-websocket";
 import { showConfirmationDialog } from "../../dialogs/generic/show-dialog-box";
 import "./ha-progress-button";
-import type { HomeAssistant } from "../../types";
+import { apiContext } from "../../data/context";
 import { fireEvent } from "../../common/dom/fire_event";
 import type { Appearance } from "../ha-button";
 
 @customElement("ha-call-service-button")
 class HaCallServiceButton extends LitElement {
-  @property({ attribute: false }) public hass!: HomeAssistant;
+  @consume({ context: apiContext, subscribe: true })
+  private _api!: ContextType<typeof apiContext>;
 
   @property({ type: Boolean }) public disabled = false;
 
@@ -56,7 +58,7 @@ class HaCallServiceButton extends LitElement {
       this.shadowRoot!.querySelector("ha-progress-button")!;
 
     try {
-      await this.hass.callService(
+      await this._api.callService(
         this.domain,
         this.service,
         this.data,

src/components/chart/state-history-chart-line.ts

@@ -445,6 +445,7 @@ export class StateHistoryChartLine extends LitElement {
 
   private _formatYAxisLabel = (value: number) => {
     const label = formatNumber(value, this.hass.locale, {
+      minimumFractionDigits: value === 0 ? 0 : this._yAxisFractionDigits,
       maximumFractionDigits: this._yAxisFractionDigits,
     });
     const width = measureTextWidth(label, 12) + 5;

src/components/chart/statistics-chart.ts

@@ -552,6 +552,7 @@ export class StatisticsChart extends LitElement {
 
   private _formatYAxisLabel = (value: number) =>
     formatNumber(value, this.hass.locale, {
+      minimumFractionDigits: value === 0 ? 0 : this._yAxisFractionDigits,
       maximumFractionDigits: this._yAxisFractionDigits,
     });
 

src/components/chart/timeline-color.ts

@@ -79,9 +79,11 @@ function computeTimelineEnumColor(
   const domain = computeStateDomain(stateObj);
   const states =
     FIXED_DOMAIN_STATES[domain] ||
-    (domain === "sensor" &&
-      stateObj.attributes.device_class === "enum" &&
-      stateObj.attributes.options) ||
+    ((domain === "sensor" && stateObj.attributes.device_class === "enum") ||
+    domain === "select" ||
+    domain === "input_select"
+      ? stateObj.attributes.options
+      : undefined) ||
     [];
   const idx = states.indexOf(state);
   if (idx === -1) {

src/components/data-table/ha-data-table.ts

@@ -1463,6 +1463,12 @@ export class HaDataTable extends LitElement {
           flex: 1;
           padding: var(--ha-space-3);
         }
+        @media (min-width: 871px) {
+          ha-input-search {
+            --ha-input-search-height: 32px;
+            --ha-input-search-border-radius: 10px;
+          }
+        }
         slot[name="header"] {
           display: block;
         }

src/components/entity/ha-entities-picker.ts

@@ -9,15 +9,13 @@ import {
 } from "../../common/dom/fire_event";
 import { isValidEntityId } from "../../common/entity/valid_entity_id";
 import type { HaEntityPickerEntityFilterFunc } from "../../data/entity/entity";
-import type { HomeAssistant, ValueChangedEvent } from "../../types";
+import type { ValueChangedEvent } from "../../types";
 import "../ha-sortable";
 import "./ha-entity-picker";
 import type { HaEntityPicker } from "./ha-entity-picker";
 
 @customElement("ha-entities-picker")
 class HaEntitiesPicker extends LitElement {
-  @property({ attribute: false }) public hass?: HomeAssistant;
-
   @property({ type: Array }) public value?: string[];
 
   @property({ type: Boolean }) public disabled = false;
@@ -87,10 +85,6 @@ class HaEntitiesPicker extends LitElement {
   public reorder = false;
 
   protected render() {
-    if (!this.hass) {
-      return nothing;
-    }
-
     const currentEntities = this._currentEntities;
     return html`
       ${this.label ? html`<label>${this.label}</label>` : nothing}
@@ -105,7 +99,6 @@ class HaEntitiesPicker extends LitElement {
               <div class="entity">
                 <ha-entity-picker
                   .curValue=${entityId}
-                  .hass=${this.hass}
                   .includeDomains=${this.includeDomains}
                   .excludeDomains=${this.excludeDomains}
                   .includeEntities=${this.includeEntities}
@@ -133,7 +126,6 @@ class HaEntitiesPicker extends LitElement {
       </ha-sortable>
       <div>
         <ha-entity-picker
-          .hass=${this.hass}
           .includeDomains=${this.includeDomains}
           .excludeDomains=${this.excludeDomains}
           .includeEntities=${this.includeEntities}

src/components/entity/ha-entity-picker.ts

@@ -1,4 +1,5 @@
 import type { RenderItemFunction } from "@lit-labs/virtualizer/virtualize";
+import { consume, type ContextType } from "@lit/context";
 import { mdiPlus, mdiShape } from "@mdi/js";
 import { html, LitElement, nothing, type PropertyValues } from "lit";
 import { customElement, property, query, state } from "lit/decorators";
@@ -6,10 +7,21 @@ import memoizeOne from "memoize-one";
 import { fireEvent } from "../../common/dom/fire_event";
 import { computeEntityPickerDisplay } from "../../common/entity/compute_entity_name_display";
 import { isValidEntityId } from "../../common/entity/valid_entity_id";
+import type { RelatedIdSets } from "../../common/search/related-context";
+import type { LocalizeFunc } from "../../common/translations/localize";
+import {
+  configContext,
+  internationalizationContext,
+  registriesContext,
+  relatedContext,
+  statesContext,
+} from "../../data/context";
 import type { HaEntityPickerEntityFilterFunc } from "../../data/entity/entity";
 import {
   entityComboBoxKeys,
   getEntities,
+  markEntitiesRelated,
+  sortEntitiesByRelatedRank,
   type EntityComboBoxItem,
 } from "../../data/entity/entity_picker";
 import { domainToName } from "../../data/integration";
@@ -33,7 +45,21 @@ const CREATE_ID = "___create-new-entity___";
 
 @customElement("ha-entity-picker")
 export class HaEntityPicker extends LitElement {
-  @property({ attribute: false }) public hass!: HomeAssistant;
+  @state()
+  @consume({ context: statesContext, subscribe: true })
+  private _states!: ContextType<typeof statesContext>;
+
+  @state()
+  @consume({ context: registriesContext, subscribe: true })
+  private _registries!: ContextType<typeof registriesContext>;
+
+  @state()
+  @consume({ context: internationalizationContext, subscribe: true })
+  private _i18n!: ContextType<typeof internationalizationContext>;
+
+  @state()
+  @consume({ context: configContext, subscribe: true })
+  private _config!: ContextType<typeof configContext>;
 
   // eslint-disable-next-line lit/no-native-attributes
   @property({ type: Boolean }) public autofocus = false;
@@ -131,12 +157,25 @@ export class HaEntityPicker extends LitElement {
 
   @state() private _pendingEntityId?: string;
 
-  protected willUpdate(changedProperties: PropertyValues<this>) {
+  @state()
+  @consume({ context: relatedContext, subscribe: true })
+  private _relatedIdSets?: RelatedIdSets;
+
+  private get _hasRelatedContext(): boolean {
+    const related = this._relatedIdSets;
+    return (
+      !!related &&
+      (related.entities.size > 0 ||
+        related.devices.size > 0 ||
+        related.areas.size > 0)
+    );
+  }
+
+  protected willUpdate(changedProperties: PropertyValues) {
     if (
       this._pendingEntityId &&
-      changedProperties.has("hass") &&
-      this.hass.states !== changedProperties.get("hass")?.states &&
-      this.hass.states[this._pendingEntityId]
+      changedProperties.has("_states") &&
+      this._states[this._pendingEntityId]
     ) {
       this._setValue(this._pendingEntityId);
       this._pendingEntityId = undefined;
@@ -146,7 +185,7 @@ export class HaEntityPicker extends LitElement {
   protected firstUpdated(changedProperties: PropertyValues<this>): void {
     super.firstUpdated(changedProperties);
     // Load title translations so it is available when the combo-box opens
-    this.hass.loadBackendTranslation("title");
+    this._i18n.loadBackendTranslation("title");
   }
 
   private _findExtraOption(value: string | undefined) {
@@ -157,15 +196,11 @@ export class HaEntityPicker extends LitElement {
 
   private _renderExtraOptionStart(extraOption: EntitySelectorExtraOption) {
     const stateObj = extraOption.entity_id
-      ? this.hass.states[extraOption.entity_id]
+      ? this._states[extraOption.entity_id]
       : undefined;
     if (stateObj) {
       return html`
-        <state-badge
-          slot="start"
-          .stateObj=${stateObj}
-          .hass=${this.hass}
-        ></state-badge>
+        <state-badge slot="start" .stateObj=${stateObj}></state-badge>
       `;
     }
     if (extraOption.icon_path) {
@@ -197,7 +232,7 @@ export class HaEntityPicker extends LitElement {
       `;
     }
 
-    const stateObj = this.hass.states[entityId];
+    const stateObj = this._states[entityId];
 
     if (!stateObj) {
       return html`
@@ -211,23 +246,23 @@ export class HaEntityPicker extends LitElement {
     }
 
     const { primary, secondary } = computeEntityPickerDisplay(
-      this.hass,
+      {
+        ...this._registries,
+        language: this._i18n.language,
+        translationMetadata: this._i18n.translationMetadata,
+      },
       stateObj
     );
 
     return html`
-      <state-badge
-        .hass=${this.hass}
-        .stateObj=${stateObj}
-        slot="start"
-      ></state-badge>
+      <state-badge .stateObj=${stateObj} slot="start"></state-badge>
       <span slot="headline">${primary}</span>
       <span slot="supporting-text">${secondary}</span>
     `;
   };
 
   private get _showEntityId() {
-    return this.showEntityId || this.hass.userData?.showEntityIdPicker;
+    return this.showEntityId || this._config.userData?.showEntityIdPicker;
   }
 
   private _rowRenderer: RenderItemFunction<EntityComboBoxItem> = (
@@ -250,7 +285,6 @@ export class HaEntityPicker extends LitElement {
               <state-badge
                 slot="start"
                 .stateObj=${item.stateObj}
-                .hass=${this.hass}
               ></state-badge>
             `}
         <span slot="headline">${item.primary}</span>
@@ -276,17 +310,14 @@ export class HaEntityPicker extends LitElement {
   };
 
   private _getAdditionalItems = () =>
-    this._getCreateItems(this.hass.localize, this.createDomains);
+    this._getCreateItems(this._i18n.localize, this.createDomains);
 
   private _getCreateItems = memoizeOne(
-    (
-      localize: this["hass"]["localize"],
-      createDomains: this["createDomains"]
-    ) => {
+    (localize: LocalizeFunc, createDomains: this["createDomains"]) => {
       if (!createDomains?.length) {
         return [];
       }
-      this.hass.loadFragmentTranslation("config");
+      this._i18n.loadFragmentTranslation("config");
       return createDomains.map((domain) => {
         const primary = localize(
           "ui.components.entity.entity-picker.create_helper",
@@ -311,7 +342,9 @@ export class HaEntityPicker extends LitElement {
 
   private _getEntitiesMemoized = memoizeOne(
     (
-      hass: HomeAssistant,
+      states: ContextType<typeof statesContext>,
+      registries: ContextType<typeof registriesContext>,
+      i18n: ContextType<typeof internationalizationContext>,
       includeDomains?: string[],
       excludeDomains?: string[],
       entityFilter?: HaEntityPickerEntityFilterFunc,
@@ -321,21 +354,46 @@ export class HaEntityPicker extends LitElement {
       excludeEntities?: string[],
       value?: string
     ) =>
-      getEntities(hass, {
-        includeDomains,
-        excludeDomains,
-        entityFilter,
-        includeDeviceClasses,
-        includeUnitOfMeasurement,
-        includeEntities,
-        excludeEntities,
-        value,
-      })
+      getEntities(
+        {
+          states,
+          ...registries,
+          language: i18n.language,
+          translationMetadata: i18n.translationMetadata,
+          localize: i18n.localize,
+        },
+        {
+          includeDomains,
+          excludeDomains,
+          entityFilter,
+          includeDeviceClasses,
+          includeUnitOfMeasurement,
+          includeEntities,
+          excludeEntities,
+          value,
+        }
+      )
+  );
+
+  private _sortByRelatedContext = memoizeOne(
+    (
+      items: EntityComboBoxItem[],
+      related: RelatedIdSets,
+      entities: HomeAssistant["entities"],
+      devices: HomeAssistant["devices"],
+      language: string
+    ): EntityComboBoxItem[] =>
+      sortEntitiesByRelatedRank(
+        markEntitiesRelated(items, related, entities, devices),
+        language
+      )
   );
 
   private _getItems = () => {
-    const items = this._getEntitiesMemoized(
-      this.hass,
+    const entityItems = this._getEntitiesMemoized(
+      this._states,
+      this._registries,
+      this._i18n,
       this.includeDomains,
       this.excludeDomains,
       this.entityFilter,
@@ -345,14 +403,23 @@ export class HaEntityPicker extends LitElement {
       this.excludeEntities,
       this.value
     );
+    const sortedItems = this._hasRelatedContext
+      ? this._sortByRelatedContext(
+          entityItems,
+          this._relatedIdSets!,
+          this._registries.entities,
+          this._registries.devices,
+          this._i18n.locale.language
+        )
+      : entityItems;
     if (this.extraOptions?.length) {
       const resolvedExtras = this.extraOptions.map((opt) => ({
         ...opt,
-        stateObj: opt.entity_id ? this.hass.states[opt.entity_id] : undefined,
+        stateObj: opt.entity_id ? this._states[opt.entity_id] : undefined,
       }));
-      return [...resolvedExtras, ...items];
+      return [...resolvedExtras, ...sortedItems];
     }
-    return items;
+    return sortedItems;
   };
 
   private _shouldHideClearIcon() {
@@ -362,11 +429,10 @@ export class HaEntityPicker extends LitElement {
   protected render() {
     const placeholder =
       this.placeholder ??
-      this.hass.localize("ui.components.entity.entity-picker.placeholder");
+      this._i18n.localize("ui.components.entity.entity-picker.placeholder");
 
     return html`
       <ha-generic-picker
-        .hass=${this.hass}
         .disabled=${this.disabled}
         .autofocus=${this.autofocus}
         .allowCustomValue=${this.allowCustomEntity}
@@ -384,12 +450,13 @@ export class HaEntityPicker extends LitElement {
         .searchFn=${this._searchFn}
         .valueRenderer=${this._valueRenderer}
         .searchKeys=${entityComboBoxKeys}
+        .noSort=${this._hasRelatedContext}
         use-top-label
         .addButtonLabel=${this.addButton
           ? (this.addButtonLabel ??
-            this.hass.localize("ui.components.entity.entity-picker.add"))
+            this._i18n.localize("ui.components.entity.entity-picker.add"))
           : undefined}
-        .unknownItemText=${this.hass.localize(
+        .unknownItemText=${this._i18n.localize(
           "ui.components.entity.entity-picker.unknown"
         )}
         @value-changed=${this._valueChanged}
@@ -402,17 +469,23 @@ export class HaEntityPicker extends LitElement {
     search,
     filteredItems
   ) => {
+    // Float related items to the top by closeness, keeping search relevance
+    // order within each tier.
+    const items = this._hasRelatedContext
+      ? sortEntitiesByRelatedRank(filteredItems)
+      : filteredItems;
+
     // If there is exact match for entity id, put it first
-    const index = filteredItems.findIndex(
+    const index = items.findIndex(
       (item) => item.stateObj?.entity_id === search
     );
     if (index === -1) {
-      return filteredItems;
+      return items;
     }
 
-    const [exactMatch] = filteredItems.splice(index, 1);
-    filteredItems.unshift(exactMatch);
-    return filteredItems;
+    const [exactMatch] = items.splice(index, 1);
+    items.unshift(exactMatch);
+    return items;
   };
 
   public async open() {
@@ -436,7 +509,7 @@ export class HaEntityPicker extends LitElement {
         domain,
         dialogClosedCallback: (item) => {
           if (item.entityId) {
-            if (this.hass.states[item.entityId]) {
+            if (this._states[item.entityId]) {
               this._setValue(item.entityId);
             } else {
               this._pendingEntityId = item.entityId;
@@ -462,7 +535,7 @@ export class HaEntityPicker extends LitElement {
   }
 
   private _notFoundLabel = (search: string) =>
-    this.hass.localize("ui.components.entity.entity-picker.no_match", {
+    this._i18n.localize("ui.components.entity.entity-picker.no_match", {
       term: html`<b>‘${search}’</b>`,
     });
 }

src/components/entity/ha-entity-toggle.ts

@@ -1,3 +1,4 @@
+import { consume, type ContextType } from "@lit/context";
 import { mdiFlash, mdiFlashOff } from "@mdi/js";
 import type { HassEntity } from "home-assistant-js-websocket";
 import type { PropertyValues, TemplateResult } from "lit";
@@ -6,9 +7,9 @@ import { customElement, property, state } from "lit/decorators";
 import { STATES_OFF } from "../../common/const";
 import { computeStateDomain } from "../../common/entity/compute_state_domain";
 import { computeStateName } from "../../common/entity/compute_state_name";
+import { apiContext } from "../../data/context";
 import { UNAVAILABLE, UNKNOWN } from "../../data/entity/entity";
 import { forwardHaptic } from "../../data/haptics";
-import type { HomeAssistant } from "../../types";
 import "../ha-formfield";
 import "../ha-icon-button";
 import "../ha-switch";
@@ -29,8 +30,8 @@ const isOn = (stateObj?: HassEntity) =>
 
 @customElement("ha-entity-toggle")
 export class HaEntityToggle extends LitElement {
-  // hass is not a property so that we only re-render on stateObj changes
-  public hass?: HomeAssistant;
+  @consume({ context: apiContext, subscribe: true })
+  private _api?: ContextType<typeof apiContext>;
 
   @property({ attribute: false }) public stateObj?: HassEntity;
 
@@ -118,7 +119,7 @@ export class HaEntityToggle extends LitElement {
   // result in the entity to be turned on. Since the state is not changing,
   // the resync is not called automatic.
   private async _callService(turnOn): Promise<void> {
-    if (!this.hass || !this.stateObj) {
+    if (!this._api || !this.stateObj) {
       return;
     }
     forwardHaptic(this, "light");
@@ -149,7 +150,7 @@ export class HaEntityToggle extends LitElement {
     this._isOn = turnOn;
 
     try {
-      await this.hass.callService(serviceDomain, service, {
+      await this._api.callService(serviceDomain, service, {
         entity_id: this.stateObj.entity_id,
       });
     } finally {

src/components/entity/ha-state-label-badge.ts

@@ -1,3 +1,5 @@
+import { consume } from "@lit/context";
+import type { ContextType } from "@lit/context";
 import { mdiAlert } from "@mdi/js";
 import type { HassEntity } from "home-assistant-js-websocket";
 import type { PropertyValues, TemplateResult } from "lit";
@@ -6,13 +8,19 @@ import { customElement, property, state } from "lit/decorators";
 import { classMap } from "lit/directives/class-map";
 import { arrayLiteralIncludes } from "../../common/array/literal-includes";
 import secondsToDuration from "../../common/datetime/seconds_to_duration";
+import {
+  consumeEntityRegistryEntry,
+  consumeLocalize,
+} from "../../common/decorators/consume-context-entry";
 import { computeStateDomain } from "../../common/entity/compute_state_domain";
 import { computeStateName } from "../../common/entity/compute_state_name";
+import { unitFromParts, valueFromParts } from "../../common/entity/value_parts";
 import { FIXED_DOMAIN_STATES } from "../../common/entity/get_states";
+import type { LocalizeFunc } from "../../common/translations/localize";
+import { formattersContext } from "../../data/context";
 import { UNAVAILABLE, UNKNOWN } from "../../data/entity/entity";
 import type { EntityRegistryDisplayEntry } from "../../data/entity/entity_registry";
 import { timerTimeRemaining } from "../../data/timer";
-import type { HomeAssistant } from "../../types";
 import "../ha-label-badge";
 import "../ha-state-icon";
 
@@ -40,7 +48,15 @@ const getTruncatedKey = (domainKey: string, stateKey: string) => {
 
 @customElement("ha-state-label-badge")
 export class HaStateLabelBadge extends LitElement {
-  @property({ attribute: false }) public hass?: HomeAssistant;
+  @state()
+  @consume({ context: formattersContext, subscribe: true })
+  private _formatters?: ContextType<typeof formattersContext>;
+
+  @state() @consumeLocalize() private _localize!: LocalizeFunc;
+
+  @state()
+  @consumeEntityRegistryEntry({ entityIdPath: ["state", "entity_id"] })
+  private _entry?: EntityRegistryDisplayEntry;
 
   @property({ attribute: false }) public state?: HassEntity;
 
@@ -77,10 +93,8 @@ export class HaStateLabelBadge extends LitElement {
       return html`
         <ha-label-badge
           class="warning"
-          label=${this.hass!.localize("state_badge.default.error")}
-          description=${this.hass!.localize(
-            "state_badge.default.entity_not_found"
-          )}
+          label=${this._localize("state_badge.default.error")}
+          description=${this._localize("state_badge.default.entity_not_found")}
         >
           <ha-svg-icon .path=${mdiAlert}></ha-svg-icon>
         </ha-label-badge>
@@ -94,7 +108,7 @@ export class HaStateLabelBadge extends LitElement {
     // 4. Icon determined via entity state
     // 5. Value string as fallback
     const domain = computeStateDomain(entityState);
-    const entry = this.hass?.entities[entityState.entity_id];
+    const entry = this._entry;
 
     const showIcon =
       this.icon || this._computeShowIcon(domain, entityState, entry);
@@ -163,20 +177,23 @@ export class HaStateLabelBadge extends LitElement {
       case "sun":
       case "timer":
         return null;
-      // @ts-expect-error we don't break and go to default
       case "sensor":
         if (entry?.platform === "moon") {
           return null;
         }
-      // eslint-disable-next-line: disable=no-fallthrough
+        break;
       default:
-        return entityState.state === UNAVAILABLE ||
-          entityState.state === UNKNOWN
-          ? "—"
-          : this.hass!.formatEntityStateToParts(entityState).find(
-              (part) => part.type === "value"
-            )?.value;
+        break;
     }
+    if (entityState.state === UNAVAILABLE || entityState.state === UNKNOWN) {
+      return "—";
+    }
+    if (!this._formatters) {
+      return null;
+    }
+    return valueFromParts(
+      this._formatters.formatEntityStateToParts(entityState)
+    );
   }
 
   private _computeShowIcon(
@@ -211,11 +228,11 @@ export class HaStateLabelBadge extends LitElement {
   ) {
     // For unavailable states or certain domains, use a special translation that is truncated to fit within the badge label
     if (entityState.state === UNAVAILABLE || entityState.state === UNKNOWN) {
-      return this.hass!.localize(`state_badge.default.${entityState.state}`);
+      return this._localize(`state_badge.default.${entityState.state}`);
     }
     const domainStateKey = getTruncatedKey(domain, entityState.state);
     if (domainStateKey) {
-      return this.hass!.localize(`state_badge.${domainStateKey}`);
+      return this._localize(`state_badge.${domainStateKey}`);
     }
     // Person and device tracker state can be zone name
     if (domain === "person" || domain === "device_tracker") {
@@ -224,10 +241,12 @@ export class HaStateLabelBadge extends LitElement {
     if (domain === "timer") {
       return secondsToDuration(_timerTimeRemaining);
     }
+    if (!this._formatters) {
+      return null;
+    }
     return (
-      this.hass!.formatEntityStateToParts(entityState).find(
-        (part) => part.type === "unit"
-      )?.value || null
+      unitFromParts(this._formatters.formatEntityStateToParts(entityState)) ||
+      null
     );
   }
 

src/components/entity/ha-statistic-picker.ts

@@ -343,11 +343,7 @@ export class HaStatisticPicker extends LitElement {
     return html`
       ${item.stateObj
         ? html`
-            <state-badge
-              .hass=${this.hass}
-              .stateObj=${item.stateObj}
-              slot="start"
-            ></state-badge>
+            <state-badge .stateObj=${item.stateObj} slot="start"></state-badge>
           `
         : item.icon_path
           ? html`
@@ -488,7 +484,6 @@ export class HaStatisticPicker extends LitElement {
                 <state-badge
                   slot="start"
                   .stateObj=${item.stateObj}
-                  .hass=${this.hass}
                 ></state-badge>
               `
             : nothing}

src/components/entity/state-badge.ts

@@ -1,3 +1,4 @@
+import { consume, type ContextType } from "@lit/context";
 import { mdiAlert } from "@mdi/js";
 import type { HassEntity } from "home-assistant-js-websocket";
 import type { CSSResultGroup, PropertyValues } from "lit";
@@ -14,13 +15,12 @@ import {
 import { iconColorCSS } from "../../common/style/icon_color_css";
 import { cameraUrlWithWidthHeight } from "../../data/camera";
 import { CLIMATE_HVAC_ACTION_TO_MODE } from "../../data/climate";
-import type { HomeAssistant } from "../../types";
+import { connectionContext } from "../../data/context";
+import { isBrandUrl } from "../../util/brands-url";
 import "../ha-state-icon";
 
 @customElement("state-badge")
 export class StateBadge extends LitElement {
-  public hass?: HomeAssistant;
-
   @property({ attribute: false }) public stateObj?: HassEntity;
 
   @property({ attribute: false }) public overrideIcon?: string;
@@ -36,6 +36,10 @@ export class StateBadge extends LitElement {
   // @todo Consider reworking to eliminate need for attribute since it is manipulated internally
   @property({ type: Boolean, reflect: true }) public icon = true;
 
+  @state()
+  @consume({ context: connectionContext, subscribe: true })
+  private _connection?: ContextType<typeof connectionContext>;
+
   @state() private _iconStyle: Record<string, string | undefined> = {};
 
   connectedCallback(): void {
@@ -106,14 +110,15 @@ export class StateBadge extends LitElement {
     ></ha-state-icon>`;
   }
 
-  public willUpdate(changedProps: PropertyValues<this>) {
+  public willUpdate(changedProps: PropertyValues) {
     super.willUpdate(changedProps);
     if (
       !changedProps.has("stateObj") &&
       !changedProps.has("overrideImage") &&
       !changedProps.has("overrideIcon") &&
       !changedProps.has("stateColor") &&
-      !changedProps.has("color")
+      !changedProps.has("color") &&
+      !changedProps.has("_connection")
     ) {
       return;
     }
@@ -133,12 +138,10 @@ export class StateBadge extends LitElement {
             stateObj.attributes.entity_picture) &&
           !this.overrideIcon
         ) {
-          let imageUrl =
+          let imageUrl = this._resolveImageUrl(
             stateObj.attributes.entity_picture_local ||
-            stateObj.attributes.entity_picture;
-          if (this.hass) {
-            imageUrl = this.hass.hassUrl(imageUrl);
-          }
+              stateObj.attributes.entity_picture
+          );
           if (domain === "camera") {
             imageUrl = cameraUrlWithWidthHeight(imageUrl, 80, 80);
           }
@@ -179,11 +182,7 @@ export class StateBadge extends LitElement {
           }
         }
       } else if (this.overrideImage) {
-        let imageUrl = this.overrideImage;
-        if (this.hass) {
-          imageUrl = this.hass.hassUrl(imageUrl);
-        }
-        backgroundImage = `url(${imageUrl})`;
+        backgroundImage = `url(${this._resolveImageUrl(this.overrideImage)})`;
         this.icon = false;
       }
     }
@@ -192,6 +191,20 @@ export class StateBadge extends LitElement {
     this.style.backgroundImage = backgroundImage;
   }
 
+  // Sign the image URL via the connection context so brand images
+  // (/api/brands/...) get their access token. Without a way to sign, a brands
+  // request would be rejected (and logged/blocked by core), so skip it until
+  // we can sign.
+  private _resolveImageUrl(url: string | undefined): string {
+    if (!url) {
+      return "";
+    }
+    if (this._connection) {
+      return this._connection.hassUrl(url);
+    }
+    return isBrandUrl(url) ? "" : url;
+  }
+
   protected getClass() {
     const cls = new Map(
       ["has-no-radius", "has-media-image", "has-image"].map((_cls) => [

src/components/entity/state-info.ts

@@ -24,7 +24,6 @@ class StateInfo extends LitElement {
     const name = this.hass.formatEntityName(this.stateObj, { type: "entity" });
 
     return html`<state-badge
-        .hass=${this.hass}
         .stateObj=${this.stateObj}
         .stateColor=${true}
         .color=${this.color}

src/components/ha-area-controls-picker.ts

@@ -173,7 +173,6 @@ export class HaAreaControlsPicker extends LitElement {
             domainItems = multiTermSortedSearch(
               domainItems,
               searchString,
-              this._domainSearchKeys,
               (item) => item.id,
               fuseIndex
             );
@@ -226,7 +225,6 @@ export class HaAreaControlsPicker extends LitElement {
             entityItems = multiTermSortedSearch(
               entityItems,
               searchString,
-              this._entitySearchKeys,
               (item) => item.id,
               fuseIndex
             );

src/components/ha-areas-display-editor.ts

@@ -1,10 +1,11 @@
+import { consume, type ContextType } from "@lit/context";
 import { mdiTextureBox } from "@mdi/js";
 import type { TemplateResult } from "lit";
 import { LitElement, html } from "lit";
-import { customElement, property } from "lit/decorators";
+import { customElement, property, state } from "lit/decorators";
 import { fireEvent } from "../common/dom/fire_event";
 import { getAreaContext } from "../common/entity/context/get_area_context";
-import type { HomeAssistant } from "../types";
+import { areasContext, floorsContext } from "../data/context";
 import "./ha-expansion-panel";
 import "./ha-items-display-editor";
 import type { DisplayItem, DisplayValue } from "./ha-items-display-editor";
@@ -17,7 +18,13 @@ export interface AreasDisplayValue {
 
 @customElement("ha-areas-display-editor")
 export class HaAreasDisplayEditor extends LitElement {
-  @property({ attribute: false }) public hass!: HomeAssistant;
+  @consume({ context: areasContext, subscribe: true })
+  @state()
+  private _areas!: ContextType<typeof areasContext>;
+
+  @consume({ context: floorsContext, subscribe: true })
+  @state()
+  private _floors!: ContextType<typeof floorsContext>;
 
   @property() public label?: string;
 
@@ -35,10 +42,10 @@ export class HaAreasDisplayEditor extends LitElement {
   public showNavigationButton = false;
 
   protected render(): TemplateResult {
-    const areas = Object.values(this.hass.areas);
+    const areas = Object.values(this._areas);
 
     const items: DisplayItem[] = areas.map((area) => {
-      const { floor } = getAreaContext(area, this.hass.floors);
+      const { floor } = getAreaContext(area, this._floors);
       return {
         value: area.area_id,
         label: area.name,

src/components/ha-areas-floors-display-editor.ts

@@ -1,15 +1,19 @@
+import { consume, type ContextType } from "@lit/context";
 import { mdiDragHorizontalVariant, mdiTextureBox } from "@mdi/js";
 import type { TemplateResult } from "lit";
 import { LitElement, css, html, nothing } from "lit";
-import { customElement, property } from "lit/decorators";
+import { customElement, property, state } from "lit/decorators";
 import { repeat } from "lit/directives/repeat";
 import memoizeOne from "memoize-one";
+import { consumeLocalize } from "../common/decorators/consume-context-entry";
 import { fireEvent } from "../common/dom/fire_event";
 import { computeFloorName } from "../common/entity/compute_floor_name";
 import { getAreaContext } from "../common/entity/context/get_area_context";
+import type { LocalizeFunc } from "../common/translations/localize";
+import { areasContext, floorsContext } from "../data/context";
 import type { FloorRegistryEntry } from "../data/floor_registry";
 import { getFloors } from "../panels/lovelace/strategies/areas/helpers/areas-strategy-helper";
-import type { HomeAssistant, ValueChangedEvent } from "../types";
+import type { ValueChangedEvent } from "../types";
 import "./ha-expansion-panel";
 import "./ha-floor-icon";
 import "./ha-items-display-editor";
@@ -30,7 +34,17 @@ const UNASSIGNED_FLOOR = "__unassigned__";
 
 @customElement("ha-areas-floors-display-editor")
 export class HaAreasFloorsDisplayEditor extends LitElement {
-  @property({ attribute: false }) public hass!: HomeAssistant;
+  @state()
+  @consumeLocalize()
+  private _localize!: LocalizeFunc;
+
+  @consume({ context: areasContext, subscribe: true })
+  @state()
+  private _areas!: ContextType<typeof areasContext>;
+
+  @consume({ context: floorsContext, subscribe: true })
+  @state()
+  private _floors!: ContextType<typeof floorsContext>;
 
   @property() public label?: string;
 
@@ -51,13 +65,14 @@ export class HaAreasFloorsDisplayEditor extends LitElement {
 
   protected render(): TemplateResult {
     const groupedAreasItems = this._groupedAreasItems(
-      this.hass.areas,
-      this.hass.floors
+      this._areas,
+      this._floors
     );
 
     const filteredFloors = this._sortedFloors(
-      this.hass.floors,
-      this.value?.floors_display?.order
+      this._floors,
+      this.value?.floors_display?.order,
+      this._localize
     ).filter(
       (floor) =>
         // Only include floors that have areas assigned to them
@@ -124,15 +139,14 @@ export class HaAreasFloorsDisplayEditor extends LitElement {
 
   private _groupedAreasItems = memoizeOne(
     (
-      hassAreas: HomeAssistant["areas"],
-      // update items if floors change
-      _hassFloors: HomeAssistant["floors"]
+      areas: ContextType<typeof areasContext>,
+      floors: ContextType<typeof floorsContext>
     ): Record<string, DisplayItem[]> => {
-      const areas = Object.values(hassAreas);
+      const areaList = Object.values(areas);
 
-      const groupedItems: Record<string, DisplayItem[]> = areas.reduce(
+      const groupedItems: Record<string, DisplayItem[]> = areaList.reduce(
         (acc, area) => {
-          const { floor } = getAreaContext(area, this.hass.floors);
+          const { floor } = getAreaContext(area, floors);
           const floorId = floor?.floor_id ?? UNASSIGNED_FLOOR;
 
           if (!acc[floorId]) {
@@ -155,23 +169,24 @@ export class HaAreasFloorsDisplayEditor extends LitElement {
 
   private _sortedFloors = memoizeOne(
     (
-      hassFloors: HomeAssistant["floors"],
-      order: string[] | undefined
+      floors: ContextType<typeof floorsContext>,
+      order: string[] | undefined,
+      localize: LocalizeFunc
     ): FloorRegistryEntry[] => {
-      const floors = getFloors(hassFloors, order);
-      const noFloors = floors.length === 0;
-      floors.push({
+      const sortedFloors = getFloors(floors, order);
+      const noFloors = sortedFloors.length === 0;
+      sortedFloors.push({
         floor_id: UNASSIGNED_FLOOR,
         name: noFloors
-          ? this.hass.localize("ui.panel.lovelace.strategy.areas.areas")
-          : this.hass.localize("ui.panel.lovelace.strategy.areas.other_areas"),
+          ? localize("ui.panel.lovelace.strategy.areas.areas")
+          : localize("ui.panel.lovelace.strategy.areas.other_areas"),
         icon: null,
         level: null,
         aliases: [],
         created_at: 0,
         modified_at: 0,
       });
-      return floors;
+      return sortedFloors;
     }
   );
 
@@ -180,8 +195,9 @@ export class HaAreasFloorsDisplayEditor extends LitElement {
     const newIndex = ev.detail.newIndex;
     const oldIndex = ev.detail.oldIndex;
     const floorIds = this._sortedFloors(
-      this.hass.floors,
-      this.value?.floors_display?.order
+      this._floors,
+      this.value?.floors_display?.order,
+      this._localize
     ).map((floor) => floor.floor_id);
     const newOrder = [...floorIds];
     const movedFloorId = newOrder.splice(oldIndex, 1)[0];
@@ -204,8 +220,9 @@ export class HaAreasFloorsDisplayEditor extends LitElement {
     const currentFloorId = (ev.currentTarget as any).floorId;
 
     const floorIds = this._sortedFloors(
-      this.hass.floors,
-      this.value?.floors_display?.order
+      this._floors,
+      this.value?.floors_display?.order,
+      this._localize
     ).map((floor) => floor.floor_id);
 
     const oldAreaDisplay = this.value?.areas_display ?? {};
@@ -223,14 +240,14 @@ export class HaAreasFloorsDisplayEditor extends LitElement {
         continue;
       }
       const hidden = oldHidden.filter((areaId) => {
-        const id = this.hass.areas[areaId]?.floor_id ?? UNASSIGNED_FLOOR;
+        const id = this._areas[areaId]?.floor_id ?? UNASSIGNED_FLOOR;
         return id === floorId;
       });
       if (hidden?.length) {
         newHidden.push(...hidden);
       }
       const order = oldOrder.filter((areaId) => {
-        const id = this.hass.areas[areaId]?.floor_id ?? UNASSIGNED_FLOOR;
+        const id = this._areas[areaId]?.floor_id ?? UNASSIGNED_FLOOR;
         return id === floorId;
       });
       if (order?.length) {

src/components/ha-assist-chat.ts

@@ -1,3 +1,4 @@
+import { consume } from "@lit/context";
 import {
   mdiAlertCircle,
   mdiChevronDown,
@@ -10,7 +11,9 @@ import type { CSSResultGroup, PropertyValues, TemplateResult } from "lit";
 import { css, html, LitElement, nothing } from "lit";
 import { customElement, property, query, state } from "lit/decorators";
 import { classMap } from "lit/directives/class-map";
+import { consumeLocalize } from "../common/decorators/consume-context-entry";
 import { supportsFeature } from "../common/entity/supports-feature";
+import type { LocalizeFunc } from "../common/translations/localize";
 import {
   runAssistPipeline,
   type AssistPipeline,
@@ -18,10 +21,19 @@ import {
   type ConversationChatLogToolResultDelta,
   type PipelineRunEvent,
 } from "../data/assist_pipeline";
+import {
+  configContext,
+  connectionContext,
+  statesContext,
+} from "../data/context";
 import { ConversationEntityFeature } from "../data/conversation";
 import { showAlertDialog } from "../dialogs/generic/show-dialog-box";
 import { haStyleScrollbar } from "../resources/styles";
-import type { HomeAssistant } from "../types";
+import type {
+  HomeAssistant,
+  HomeAssistantConfig,
+  HomeAssistantConnection,
+} from "../types";
 import { AudioRecorder } from "../util/audio-recorder";
 import { documentationUrl } from "../util/documentation-url";
 import "./ha-alert";
@@ -47,8 +59,6 @@ interface AssistMessage {
 
 @customElement("ha-assist-chat")
 export class HaAssistChat extends LitElement {
-  @property({ attribute: false }) public hass!: HomeAssistant;
-
   @property({ attribute: false }) public pipeline?: AssistPipeline;
 
   @property({ type: Boolean, attribute: "disable-speech" })
@@ -71,6 +81,22 @@ export class HaAssistChat extends LitElement {
 
   @state() private _processing = false;
 
+  @state()
+  @consumeLocalize()
+  private _localize!: LocalizeFunc;
+
+  @state()
+  @consume({ context: statesContext, subscribe: true })
+  private _states!: HomeAssistant["states"];
+
+  @state()
+  @consume({ context: configContext, subscribe: true })
+  private _config!: HomeAssistantConfig;
+
+  @state()
+  @consume({ context: connectionContext, subscribe: true })
+  private _connection!: HomeAssistantConnection;
+
   private _conversationId: string | null = null;
 
   private _audioRecorder?: AudioRecorder;
@@ -86,7 +112,7 @@ export class HaAssistChat extends LitElement {
       this._conversation = [
         {
           who: "hass",
-          text: this.hass.localize("ui.dialogs.voice_command.how_can_i_help"),
+          text: this._localize("ui.dialogs.voice_command.how_can_i_help"),
           thinking: "",
           tool_calls: {},
         },
@@ -124,9 +150,9 @@ export class HaAssistChat extends LitElement {
     const controlHA = !this.pipeline
       ? false
       : this.pipeline.prefer_local_intents ||
-        (this.hass.states[this.pipeline.conversation_engine]
+        (this._states[this.pipeline.conversation_engine]
           ? supportsFeature(
-              this.hass.states[this.pipeline.conversation_engine],
+              this._states[this.pipeline.conversation_engine],
               ConversationEntityFeature.CONTROL
             )
           : true);
@@ -139,7 +165,7 @@ export class HaAssistChat extends LitElement {
           ? nothing
           : html`
               <ha-alert>
-                ${this.hass.localize(
+                ${this._localize(
                   "ui.dialogs.voice_command.conversation_no_control"
                 )}
               </ha-alert>
@@ -180,7 +206,7 @@ export class HaAssistChat extends LitElement {
                                   .path=${mdiCommentProcessingOutline}
                                 ></ha-svg-icon>
                                 <span class="thinking-label">
-                                  ${this.hass.localize(
+                                  ${this._localize(
                                     "ui.dialogs.voice_command.show_details"
                                   )}
                                 </span>
@@ -251,7 +277,7 @@ ${JSON.stringify(toolCall.result, null, 2)}</pre
           id="message-input"
           @keyup=${this._handleKeyUp}
           @input=${this._handleInput}
-          .label=${this.hass.localize(`ui.dialogs.voice_command.input_label`)}
+          .label=${this._localize(`ui.dialogs.voice_command.input_label`)}
         >
           <div slot="end">
             ${this._showSendButton || !supportsSTT
@@ -261,7 +287,7 @@ ${JSON.stringify(toolCall.result, null, 2)}</pre
                     .path=${mdiSend}
                     @click=${this._handleSendMessage}
                     .disabled=${this._processing}
-                    .label=${this.hass.localize(
+                    .label=${this._localize(
                       "ui.dialogs.voice_command.send_text"
                     )}
                   >
@@ -282,7 +308,7 @@ ${JSON.stringify(toolCall.result, null, 2)}</pre
                       .path=${mdiMicrophone}
                       @click=${this._handleListeningButton}
                       .disabled=${this._processing}
-                      .label=${this.hass.localize(
+                      .label=${this._localize(
                         "ui.dialogs.voice_command.start_listening"
                       )}
                     >
@@ -374,10 +400,12 @@ ${JSON.stringify(toolCall.result, null, 2)}</pre
 
   private _handleToggleThinking(ev: Event) {
     const index = (ev.currentTarget as any).index;
-    this._conversation[index] = {
-      ...this._conversation[index],
-      thinking_expanded: !this._conversation[index].thinking_expanded,
-    };
+    // Mutate the message in place rather than replacing it. The streaming
+    // processor keeps a reference to this same object and mutates it as deltas
+    // arrive; swapping in a new object would detach the in-flight message from
+    // the processor and freeze the chat (see #52501).
+    const message = this._conversation[index];
+    message.thinking_expanded = !message.thinking_expanded;
     this.requestUpdate("_conversation");
   }
 
@@ -391,21 +419,21 @@ ${JSON.stringify(toolCall.result, null, 2)}</pre
       text:
         // New lines matter for messages
         // prettier-ignore
-        html`${this.hass.localize(
+        html`${this._localize(
           "ui.dialogs.voice_command.not_supported_microphone_browser"
         )}
 
-        ${this.hass.localize(
+        ${this._localize(
           "ui.dialogs.voice_command.not_supported_microphone_documentation",
           {
             documentation_link: html`<a
                 target="_blank"
                 rel="noopener noreferrer"
                 href=${documentationUrl(
-                  this.hass,
+                  this._config,
                   "/docs/configuration/securing/#remote-access"
                 )}
-              >${this.hass.localize(
+              >${this._localize(
                   "ui.dialogs.voice_command.not_supported_microphone_documentation_link"
                 )}</a>`,
           }
@@ -443,7 +471,7 @@ ${JSON.stringify(toolCall.result, null, 2)}</pre
 
     try {
       const unsub = await runAssistPipeline(
-        this.hass,
+        this._connection,
         (event: PipelineRunEvent) => {
           if (event.type === "run-start") {
             this._stt_binary_handler_id =
@@ -539,7 +567,7 @@ ${JSON.stringify(toolCall.result, null, 2)}</pre
   }
 
   private _sendAudioChunk(chunk: Int16Array) {
-    this.hass.connection.socket!.binaryType = "arraybuffer";
+    this._connection.connection.socket!.binaryType = "arraybuffer";
 
     // eslint-disable-next-line eqeqeq
     if (this._stt_binary_handler_id == undefined) {
@@ -550,7 +578,7 @@ ${JSON.stringify(toolCall.result, null, 2)}</pre
     data[0] = this._stt_binary_handler_id;
     data.set(new Uint8Array(chunk.buffer), 1);
 
-    this.hass.connection.socket!.send(data);
+    this._connection.connection.socket!.send(data);
   }
 
   private _unloadAudio = () => {
@@ -570,7 +598,7 @@ ${JSON.stringify(toolCall.result, null, 2)}</pre
     hassMessageProcesser.addMessage();
     try {
       const unsub = await runAssistPipeline(
-        this.hass,
+        this._connection,
         (event) => {
           if (event.type.startsWith("intent-")) {
             hassMessageProcesser.processEvent(event);
@@ -593,7 +621,7 @@ ${JSON.stringify(toolCall.result, null, 2)}</pre
       );
     } catch {
       hassMessageProcesser.setError(
-        this.hass.localize("ui.dialogs.voice_command.error")
+        this._localize("ui.dialogs.voice_command.error")
       );
     } finally {
       this._processing = false;

src/components/ha-attribute-icon.ts

@@ -1,16 +1,21 @@
+import { consume } from "@lit/context";
+import type { ContextType } from "@lit/context";
+import { initialState } from "@lit/task";
 import type { HassEntity } from "home-assistant-js-websocket";
 import { html, LitElement, nothing } from "lit";
-import { customElement, property } from "lit/decorators";
-import { until } from "lit/directives/until";
+import { customElement, property, state } from "lit/decorators";
+import { AsyncValueTask } from "../common/controllers/async-value-task";
+import {
+  configContext,
+  connectionContext,
+  entitiesContext,
+} from "../data/context";
 import { attributeIcon } from "../data/icons";
-import type { HomeAssistant } from "../types";
 import "./ha-icon";
 import "./ha-svg-icon";
 
 @customElement("ha-attribute-icon")
 export class HaAttributeIcon extends LitElement {
-  @property({ attribute: false }) public hass!: HomeAssistant;
-
   @property({ attribute: false }) public stateObj?: HassEntity;
 
   @property() public attribute?: string;
@@ -19,6 +24,59 @@ export class HaAttributeIcon extends LitElement {
 
   @property() public icon?: string;
 
+  @state()
+  @consume({ context: configContext, subscribe: true })
+  private _config?: ContextType<typeof configContext>;
+
+  @state()
+  @consume({ context: connectionContext, subscribe: true })
+  private _connection?: ContextType<typeof connectionContext>;
+
+  @state()
+  @consume({ context: entitiesContext, subscribe: true })
+  private _entities?: ContextType<typeof entitiesContext>;
+
+  private _iconTask = new AsyncValueTask(this, {
+    task: ([
+      icon,
+      config,
+      connection,
+      entities,
+      stateObj,
+      attribute,
+      attributeValue,
+    ]) => {
+      if (
+        icon ||
+        !config ||
+        !connection ||
+        !entities ||
+        !stateObj ||
+        !attribute
+      ) {
+        return initialState;
+      }
+      return attributeIcon(
+        config.config,
+        connection.connection,
+        entities,
+        stateObj,
+        attribute,
+        attributeValue
+      );
+    },
+    args: () =>
+      [
+        this.icon,
+        this._config,
+        this._connection,
+        this._entities,
+        this.stateObj,
+        this.attribute,
+        this.attributeValue,
+      ] as const,
+  });
+
   protected render() {
     if (this.icon) {
       return html`<ha-icon .icon=${this.icon}></ha-icon>`;
@@ -28,23 +86,13 @@ export class HaAttributeIcon extends LitElement {
       return nothing;
     }
 
-    if (!this.hass) {
+    if (!this._config || !this._connection || !this._entities) {
       return nothing;
     }
 
-    const icon = attributeIcon(
-      this.hass,
-      this.stateObj,
-      this.attribute,
-      this.attributeValue
-    ).then((icn) => {
-      if (icn) {
-        return html`<ha-icon .icon=${icn}></ha-icon>`;
-      }
-      return nothing;
-    });
-
-    return html`${until(icon)}`;
+    return this._iconTask.value
+      ? html`<ha-icon .icon=${this._iconTask.value}></ha-icon>`
+      : nothing;
   }
 }
 

src/components/ha-attribute-value.ts

@@ -1,11 +1,19 @@
 import { consume } from "@lit/context";
 import type { ContextType } from "@lit/context";
+import { initialState } from "@lit/task";
 import type { HassEntity } from "home-assistant-js-websocket";
 import { css, html, LitElement, nothing } from "lit";
 import { customElement, property, state } from "lit/decorators";
-import { until } from "lit/directives/until";
+import { AsyncValueTask } from "../common/controllers/async-value-task";
+import { computeStateDomain } from "../common/entity/compute_state_domain";
+import { getValueAttribute } from "../common/entity/get_states";
+import { valueFromParts } from "../common/entity/value_parts";
 import { formattersContext } from "../data/context";
 
+const isObjectValue = (value: unknown): boolean =>
+  (Array.isArray(value) && value.some((val) => val instanceof Object)) ||
+  (!Array.isArray(value) && value instanceof Object);
+
 @customElement("ha-attribute-value")
 class HaAttributeValue extends LitElement {
   @state()
@@ -18,6 +26,17 @@ class HaAttributeValue extends LitElement {
 
   @property({ type: Boolean, attribute: "hide-unit" }) public hideUnit = false;
 
+  private _yamlTask = new AsyncValueTask(this, {
+    task: async ([attributeValue]) => {
+      if (!isObjectValue(attributeValue)) {
+        return initialState;
+      }
+      const { dump } = await import("js-yaml");
+      return dump(attributeValue);
+    },
+    args: () => [this.stateObj?.attributes[this.attribute]] as const,
+  });
+
   protected render() {
     if (!this.stateObj) {
       return nothing;
@@ -47,13 +66,28 @@ class HaAttributeValue extends LitElement {
       }
     }
 
-    if (
-      (Array.isArray(attributeValue) &&
-        attributeValue.some((val) => val instanceof Object)) ||
-      (!Array.isArray(attributeValue) && attributeValue instanceof Object)
-    ) {
-      const yaml = import("js-yaml").then(({ dump }) => dump(attributeValue));
-      return html`<pre>${until(yaml, "")}</pre>`;
+    if (isObjectValue(attributeValue)) {
+      return html`<pre>${this._yamlTask.value ?? ""}</pre>`;
+    }
+
+    // Options-list attributes (effect_list, preset_modes, …) translated through
+    // their value attribute, or the main state for lists like hvac_modes.
+    if (Array.isArray(attributeValue)) {
+      const domain = computeStateDomain(this.stateObj);
+      const valueAttribute = getValueAttribute(domain, this.attribute);
+      if (valueAttribute) {
+        return attributeValue
+          .map((item) =>
+            valueAttribute === "_"
+              ? this._formatters!.formatEntityState(this.stateObj!, item)
+              : this._formatters!.formatEntityAttributeValue(
+                  this.stateObj!,
+                  valueAttribute,
+                  item
+                )
+          )
+          .join(", ");
+      }
     }
 
     if (this.hideUnit) {
@@ -61,10 +95,7 @@ class HaAttributeValue extends LitElement {
         this.stateObj!,
         this.attribute
       );
-      return parts
-        .filter((part) => part.type === "value")
-        .map((part) => part.value)
-        .join("");
+      return valueFromParts(parts);
     }
 
     return this._formatters!.formatEntityAttributeValue(

src/components/ha-base-time-input.ts

@@ -153,10 +153,16 @@ export class HaBaseTimeInput extends LitElement {
   protected render(): TemplateResult {
     return html`
       ${this.label
-        ? html`<label>${this.label}${this.required ? " *" : ""}</label>`
+        ? html`<label id="label"
+            >${this.label}${this.required ? " *" : ""}</label
+          >`
         : nothing}
       <div class="time-input-wrap-wrap">
-        <div class="time-input-wrap">
+        <div
+          class="time-input-wrap"
+          role="group"
+          aria-labelledby=${ifDefined(this.label ? "label" : undefined)}
+        >
           ${this.enableDay
             ? html`
                 <ha-input

src/components/ha-big-number.ts

@@ -1,10 +1,12 @@
+import { consume } from "@lit/context";
+import type { ContextType } from "@lit/context";
 import type { CSSResultGroup } from "lit";
 import { LitElement, css, html } from "lit";
-import { customElement, property } from "lit/decorators";
+import { customElement, property, state } from "lit/decorators";
 import { classMap } from "lit/directives/class-map";
 import { formatNumber } from "../common/number/format_number";
 import { blankBeforeUnit } from "../common/translations/blank_before_unit";
-import type { HomeAssistant } from "../types";
+import { internationalizationContext } from "../data/context";
 
 @customElement("ha-big-number")
 export class HaBigNumber extends LitElement {
@@ -15,17 +17,16 @@ export class HaBigNumber extends LitElement {
   @property({ attribute: "unit-position" })
   public unitPosition: "top" | "bottom" = "top";
 
-  @property({ attribute: false }) public hass?: HomeAssistant;
-
   @property({ attribute: false })
   public formatOptions: Intl.NumberFormatOptions = {};
 
+  @state()
+  @consume({ context: internationalizationContext, subscribe: true })
+  private _i18n?: ContextType<typeof internationalizationContext>;
+
   protected render() {
-    const formatted = formatNumber(
-      this.value,
-      this.hass?.locale,
-      this.formatOptions
-    );
+    const locale = this._i18n!.locale;
+    const formatted = formatNumber(this.value, locale, this.formatOptions);
     const [integer] = formatted.includes(".")
       ? formatted.split(".")
       : formatted.split(",");
@@ -33,9 +34,7 @@ export class HaBigNumber extends LitElement {
     const temperatureDecimal = formatted.replace(integer, "");
 
     const formattedValue = `${this.value}${
-      this.unit
-        ? `${blankBeforeUnit(this.unit, this.hass?.locale)}${this.unit}`
-        : ""
+      this.unit ? `${blankBeforeUnit(this.unit, locale)}${this.unit}` : ""
     }`;
 
     const unitBottom = this.unitPosition === "bottom";

src/components/ha-camera-stream.ts

@@ -1,3 +1,4 @@
+import { consume, type ContextType } from "@lit/context";
 import { css, html, LitElement, nothing, type PropertyValues } from "lit";
 import { customElement, property, state } from "lit/decorators";
 import { repeat } from "lit/directives/repeat";
@@ -7,7 +8,7 @@ import memoizeOne from "memoize-one";
 import { computeStateName } from "../common/entity/compute_state_name";
 import { supportsFeature } from "../common/entity/supports-feature";
 import {
-  CAMERA_SUPPORT_STREAM,
+  CameraEntityFeature,
   type CameraCapabilities,
   type CameraEntity,
   computeMJPEGStreamUrl,
@@ -17,7 +18,7 @@ import {
   STREAM_TYPE_WEB_RTC,
   type StreamType,
 } from "../data/camera";
-import type { HomeAssistant } from "../types";
+import { apiContext, configContext, connectionContext } from "../data/context";
 import "./ha-hls-player";
 import "./ha-web-rtc-player";
 
@@ -30,7 +31,17 @@ interface Stream {
 
 @customElement("ha-camera-stream")
 export class HaCameraStream extends LitElement {
-  @property({ attribute: false }) public hass?: HomeAssistant;
+  @state()
+  @consume({ context: configContext, subscribe: true })
+  private _config!: ContextType<typeof configContext>;
+
+  @state()
+  @consume({ context: apiContext, subscribe: true })
+  private _api!: ContextType<typeof apiContext>;
+
+  @state()
+  @consume({ context: connectionContext, subscribe: true })
+  private _connection!: ContextType<typeof connectionContext>;
 
   @property({ attribute: false }) public stateObj?: CameraEntity;
 
@@ -58,21 +69,33 @@ export class HaCameraStream extends LitElement {
 
   @state() private _webRtcStreams?: { hasAudio: boolean; hasVideo: boolean };
 
-  public willUpdate(changedProps: PropertyValues<this>): void {
+  private _thumbnailApi = memoizeOne(
+    (
+      api: ContextType<typeof apiContext>,
+      connection: ContextType<typeof connectionContext>
+    ) => ({
+      callWS: api.callWS,
+      hassUrl: connection.hassUrl,
+    })
+  );
+
+  public willUpdate(changedProps: PropertyValues): void {
     const entityChanged =
       changedProps.has("stateObj") &&
       this.stateObj &&
       (changedProps.get("stateObj") as CameraEntity | undefined)?.entity_id !==
         this.stateObj.entity_id;
 
-    const oldHass = changedProps.get("hass") as HomeAssistant | undefined;
+    const oldConfig = changedProps.get("_config") as
+      | ContextType<typeof configContext>
+      | undefined;
     const backendStarted =
-      changedProps.has("hass") &&
-      this.hass &&
+      changedProps.has("_config") &&
+      this._config &&
       this.stateObj &&
-      oldHass &&
-      this.hass.config.state === STATE_RUNNING &&
-      oldHass.config?.state !== STATE_RUNNING;
+      oldConfig &&
+      this._config.config.state === STATE_RUNNING &&
+      oldConfig.config?.state !== STATE_RUNNING;
 
     if (entityChanged || backendStarted) {
       this._getCapabilities();
@@ -137,7 +160,6 @@ export class HaCameraStream extends LitElement {
         .allowExoPlayer=${this.allowExoPlayer}
         .muted=${this.muted}
         .controls=${this.controls}
-        .hass=${this.hass}
         .entityid=${this.stateObj.entity_id}
         .posterUrl=${this._posterUrl}
         @streams=${this._handleHlsStreams}
@@ -153,7 +175,6 @@ export class HaCameraStream extends LitElement {
         playsinline
         .muted=${this.muted}
         .controls=${this.controls}
-        .hass=${this.hass}
         .entityid=${this.stateObj.entity_id}
         .posterUrl=${this._posterUrl}
         @streams=${this._handleWebRtcStreams}
@@ -170,12 +191,12 @@ export class HaCameraStream extends LitElement {
     this._capabilities = undefined;
     this._hlsStreams = undefined;
     this._webRtcStreams = undefined;
-    if (!supportsFeature(this.stateObj!, CAMERA_SUPPORT_STREAM)) {
+    if (!supportsFeature(this.stateObj!, CameraEntityFeature.STREAM)) {
       this._capabilities = { frontend_stream_types: [] };
       return;
     }
     this._capabilities = await fetchCameraCapabilities(
-      this.hass!,
+      this._api,
       this.stateObj!.entity_id
     );
   }
@@ -183,7 +204,7 @@ export class HaCameraStream extends LitElement {
   private async _getPosterUrl(): Promise<void> {
     try {
       this._posterUrl = await fetchThumbnailUrlWithCache(
-        this.hass!,
+        this._thumbnailApi(this._api, this._connection),
         this.stateObj!.entity_id,
         this.clientWidth,
         this.clientHeight

src/components/ha-condition-icon.ts

@@ -12,10 +12,11 @@ import {
   mdiWeatherSunny,
 } from "@mdi/js";
 import { consume } from "@lit/context";
+import { initialState } from "@lit/task";
 import { html, LitElement, nothing } from "lit";
 import { customElement, property, state } from "lit/decorators";
-import { until } from "lit/directives/until";
 import type { HassConfig, Connection } from "home-assistant-js-websocket";
+import { AsyncValueTask } from "../common/controllers/async-value-task";
 import { computeDomain } from "../common/entity/compute_domain";
 import { transform } from "../common/decorators/transform";
 import { configContext, connectionContext } from "../data/context";
@@ -57,6 +58,17 @@ export class HaConditionIcon extends LitElement {
   })
   private _connection?: Connection;
 
+  private _iconTask = new AsyncValueTask(this, {
+    task: ([icon, connection, config, condition]) => {
+      if (icon || !connection || !config || !condition) {
+        return initialState;
+      }
+      return conditionIcon(connection, config, condition);
+    },
+    args: () =>
+      [this.icon, this._connection, this._config, this.condition] as const,
+  });
+
   protected render() {
     if (this.icon) {
       return html`<ha-icon .icon=${this.icon}></ha-icon>`;
@@ -70,18 +82,12 @@ export class HaConditionIcon extends LitElement {
       return this._renderFallback();
     }
 
-    const icon = conditionIcon(
-      this._connection,
-      this._config,
-      this.condition
-    ).then((icn) => {
-      if (icn) {
-        return html`<ha-icon .icon=${icn}></ha-icon>`;
-      }
-      return this._renderFallback();
-    });
-
-    return html`${until(icon)}`;
+    if (!this._iconTask.resolved) {
+      return nothing;
+    }
+    return this._iconTask.value
+      ? html`<ha-icon .icon=${this._iconTask.value}></ha-icon>`
+      : this._renderFallback();
   }
 
   private _renderFallback() {

src/components/ha-control-slider.ts

@@ -388,7 +388,10 @@ export class HaControlSlider extends LitElement {
   private _isVisuallyInverted() {
     let inverted = this.inverted;
 
-    if (mainWindow.document.dir === "rtl") {
+    // RTL only mirrors the horizontal axis. A vertical slider always fills
+    // bottom-to-top regardless of text direction, so it must not be flipped,
+    // otherwise its value mapping ends up upside down in RTL languages.
+    if (!this.vertical && mainWindow.document.dir === "rtl") {
       inverted = !inverted;
     }
 

src/components/ha-domain-icon.ts

@@ -1,7 +1,8 @@
 import { consume, type ContextType } from "@lit/context";
+import { initialState } from "@lit/task";
 import { css, html, LitElement, nothing } from "lit";
 import { customElement, property, state } from "lit/decorators";
-import { until } from "lit/directives/until";
+import { AsyncValueTask } from "../common/controllers/async-value-task";
 import { configContext, connectionContext, uiContext } from "../data/context";
 import {
   DEFAULT_DOMAIN_ICON,
@@ -36,6 +37,30 @@ export class HaDomainIcon extends LitElement {
   @consume({ context: uiContext, subscribe: true })
   private _hassUi?: ContextType<typeof uiContext>;
 
+  private _iconTask = new AsyncValueTask(this, {
+    task: ([icon, connection, config, domain, deviceClass, domainState]) => {
+      if (icon || !connection || !config || !domain) {
+        return initialState;
+      }
+      return domainIcon(
+        connection.connection,
+        config.config,
+        domain,
+        deviceClass,
+        domainState
+      );
+    },
+    args: () =>
+      [
+        this.icon,
+        this._connection,
+        this._hassConfig,
+        this.domain,
+        this.deviceClass,
+        this.state,
+      ] as const,
+  });
+
   protected render() {
     if (this.icon) {
       return html`<ha-icon .icon=${this.icon}></ha-icon>`;
@@ -49,21 +74,12 @@ export class HaDomainIcon extends LitElement {
       return this._renderFallback();
     }
 
-    const icon = domainIcon(
-      this._connection.connection,
-      this._hassConfig.config,
-      this.domain,
-      this.deviceClass,
-      this.state
-    ).then((icn) => {
-      if (icn) {
-        return html`<ha-icon .icon=${icn}></ha-icon>`;
-      }
-
-      return this._renderFallback();
-    });
-
-    return html`${until(icon)}`;
+    if (!this._iconTask.resolved) {
+      return nothing;
+    }
+    return this._iconTask.value
+      ? html`<ha-icon .icon=${this._iconTask.value}></ha-icon>`
+      : this._renderFallback();
   }
 
   private _renderFallback() {

src/components/ha-entities-display-editor.ts

@@ -1,10 +1,18 @@
+import { consume, type ContextType } from "@lit/context";
+import type { HassEntity } from "home-assistant-js-websocket";
 import type { TemplateResult } from "lit";
 import { LitElement, html } from "lit";
-import { customElement, property } from "lit/decorators";
+import { customElement, property, state } from "lit/decorators";
+import memoizeOne from "memoize-one";
+import { consumeEntityStates } from "../common/decorators/consume-context-entry";
 import { fireEvent } from "../common/dom/fire_event";
 import { computeStateName } from "../common/entity/compute_state_name";
+import {
+  configContext,
+  connectionContext,
+  entitiesContext,
+} from "../data/context";
 import { entityIcon } from "../data/icons";
-import type { HomeAssistant } from "../types";
 import "./ha-items-display-editor";
 import type { DisplayItem, DisplayValue } from "./ha-items-display-editor";
 
@@ -15,7 +23,21 @@ export interface EntitiesDisplayValue {
 
 @customElement("ha-entities-display-editor")
 export class HaEntitiesDisplayEditor extends LitElement {
-  @property({ attribute: false }) public hass!: HomeAssistant;
+  @state()
+  @consumeEntityStates({ entityIdPath: ["entitiesIds"] })
+  private _entityStates?: Record<string, HassEntity>;
+
+  @consume({ context: entitiesContext, subscribe: true })
+  @state()
+  private _entitiesReg!: ContextType<typeof entitiesContext>;
+
+  @consume({ context: configContext, subscribe: true })
+  @state()
+  private _config!: ContextType<typeof configContext>;
+
+  @consume({ context: connectionContext, subscribe: true })
+  @state()
+  private _connection!: ContextType<typeof connectionContext>;
 
   @property() public label?: string;
 
@@ -32,20 +54,13 @@ export class HaEntitiesDisplayEditor extends LitElement {
   @property({ type: Boolean }) public required = false;
 
   protected render(): TemplateResult {
-    const entities = this.entitiesIds
-      .map((entityId) => this.hass.states[entityId])
-      .filter(Boolean);
-
-    const items: DisplayItem[] = entities.map((entity) => ({
-      value: entity.entity_id,
-      label: computeStateName(entity),
-      icon: entityIcon(
-        this.hass.entities,
-        this.hass.config,
-        this.hass.connection,
-        entity
-      ),
-    }));
+    const items = this._items(
+      this.entitiesIds,
+      this._entityStates,
+      this._entitiesReg,
+      this._config,
+      this._connection
+    );
 
     const value: DisplayValue = {
       order: this.value?.order ?? [],
@@ -61,6 +76,31 @@ export class HaEntitiesDisplayEditor extends LitElement {
     `;
   }
 
+  private _items = memoizeOne(
+    (
+      entitiesIds: string[],
+      entityStates: Record<string, HassEntity> | undefined,
+      entitiesReg: ContextType<typeof entitiesContext>,
+      config: ContextType<typeof configContext>,
+      connection: ContextType<typeof connectionContext>
+    ): DisplayItem[] => {
+      const entities = entitiesIds
+        .map((entityId) => entityStates?.[entityId])
+        .filter((stateObj): stateObj is HassEntity => Boolean(stateObj));
+
+      return entities.map((entity) => ({
+        value: entity.entity_id,
+        label: computeStateName(entity),
+        icon: entityIcon(
+          entitiesReg,
+          config.config,
+          connection.connection,
+          entity
+        ),
+      }));
+    }
+  );
+
   private _itemDisplayChanged(ev) {
     ev.stopPropagation();
     const value = ev.detail.value as DisplayValue;

src/components/ha-file-upload.ts

@@ -1,13 +1,18 @@
+import { consume } from "@lit/context";
 import { mdiDelete, mdiFileUpload } from "@mdi/js";
 import type { PropertyValues, TemplateResult } from "lit";
 import { LitElement, css, html, nothing } from "lit";
 import { customElement, property, query, state } from "lit/decorators";
 import { classMap } from "lit/directives/class-map";
 import { ensureArray } from "../common/array/ensure-array";
+import { consumeLocalize } from "../common/decorators/consume-context-entry";
+import { transform } from "../common/decorators/transform";
 import { fireEvent } from "../common/dom/fire_event";
 import { blankBeforePercent } from "../common/translations/blank_before_percent";
 import type { LocalizeFunc } from "../common/translations/localize";
-import type { HomeAssistant } from "../types";
+import { internationalizationContext } from "../data/context";
+import type { FrontendLocaleData } from "../data/translation";
+import type { HomeAssistantInternationalization } from "../types";
 import { bytesToString } from "../util/bytes-to-string";
 import "./ha-button";
 import "./ha-icon-button";
@@ -22,10 +27,17 @@ declare global {
 
 @customElement("ha-file-upload")
 export class HaFileUpload extends LitElement {
-  @property({ attribute: false }) public hass?: HomeAssistant;
-
   @property({ attribute: false }) public localize?: LocalizeFunc;
 
+  @state() @consumeLocalize() private _localize?: LocalizeFunc;
+
+  @state()
+  @consume({ context: internationalizationContext, subscribe: true })
+  @transform<HomeAssistantInternationalization, FrontendLocaleData>({
+    transformer: ({ locale }) => locale,
+  })
+  private _locale?: FrontendLocaleData;
+
   @property() public accept!: string;
 
   @property() public icon?: string;
@@ -80,7 +92,7 @@ export class HaFileUpload extends LitElement {
   }
 
   public render(): TemplateResult {
-    const localize = this.localize || this.hass!.localize;
+    const localize = this.localize || this._localize!;
     return html`
       ${this.uploading
         ? html`<div class="container">
@@ -95,8 +107,8 @@ export class HaFileUpload extends LitElement {
               >
               ${this.progress
                 ? html`<div class="progress">
-                    ${this.progress}${this.hass &&
-                    blankBeforePercent(this.hass!.locale)}%
+                    ${this.progress}${this._locale &&
+                    blankBeforePercent(this._locale)}%
                   </div>`
                 : nothing}
             </div>

src/components/ha-filter-devices.ts

@@ -1,15 +1,23 @@
+import { consume, type ContextType } from "@lit/context";
 import { mdiFilterVariantRemove } from "@mdi/js";
 import type { PropertyValues } from "lit";
 import { css, html, LitElement, nothing } from "lit";
 import { customElement, property, query, state } from "lit/decorators";
 import memoizeOne from "memoize-one";
+import { consumeLocalize } from "../common/decorators/consume-context-entry";
 import { fireEvent } from "../common/dom/fire_event";
 import { computeDeviceNameDisplay } from "../common/entity/compute_device_name";
 import { stringCompare } from "../common/string/compare";
+import type { LocalizeFunc } from "../common/translations/localize";
 import { deepEqual } from "../common/util/deep-equal";
+import {
+  apiContext,
+  devicesContext,
+  internationalizationContext,
+  statesContext,
+} from "../data/context";
 import type { RelatedResult } from "../data/search";
 import { findRelated } from "../data/search";
-import type { HomeAssistant } from "../types";
 import "./ha-expansion-panel";
 import "./input/ha-input-search";
 import type { HaInputSearch } from "./input/ha-input-search";
@@ -24,7 +32,24 @@ interface HaFilterDevicesItem extends HaListVirtualizedItem {
 
 @customElement("ha-filter-devices")
 export class HaFilterDevices extends LitElement {
-  @property({ attribute: false }) public hass!: HomeAssistant;
+  @state()
+  @consumeLocalize()
+  private _localize!: LocalizeFunc;
+
+  @consume({ context: statesContext, subscribe: true })
+  @state()
+  private _states!: ContextType<typeof statesContext>;
+
+  @consume({ context: devicesContext, subscribe: true })
+  @state()
+  private _devicesReg!: ContextType<typeof devicesContext>;
+
+  @consume({ context: internationalizationContext, subscribe: true })
+  @state()
+  private _i18n!: ContextType<typeof internationalizationContext>;
+
+  @consume({ context: apiContext, subscribe: true })
+  private _api!: ContextType<typeof apiContext>;
 
   @property({ attribute: false }) public value?: string[];
 
@@ -75,7 +100,7 @@ export class HaFilterDevices extends LitElement {
         @expanded-changed=${this._expandedChanged}
       >
         <div slot="header" class="header">
-          ${this.hass.localize("ui.panel.config.devices.caption")}
+          ${this._localize("ui.panel.config.devices.caption")}
           ${this.value?.length
             ? html`<div class="badge">${this.value?.length}</div>
                 <ha-icon-button
@@ -95,7 +120,13 @@ export class HaFilterDevices extends LitElement {
               </ha-input-search>
               <ha-list-selectable-virtualized
                 multi
-                .rows=${this._devices(this.hass.devices, this._filter || "")}
+                .rows=${this._devices(
+                  this._devicesReg,
+                  this._filter || "",
+                  this._localize,
+                  this._states,
+                  this._i18n.locale.language
+                )}
                 .rowRenderer=${this._renderItem}
                 @ha-list-item-selected=${this._handleAdded}
                 @ha-list-item-deselected=${this._handleRemoved}
@@ -121,13 +152,24 @@ export class HaFilterDevices extends LitElement {
   private _handleAdded(ev: CustomEvent<number>) {
     this.value = [
       ...(this.value ?? []),
-      this._devices(this.hass.devices, this._filter || "")[ev.detail].id,
+      this._devices(
+        this._devicesReg,
+        this._filter || "",
+        this._localize,
+        this._states,
+        this._i18n.locale.language
+      )[ev.detail].id,
     ];
   }
 
   private _handleRemoved(ev: CustomEvent<number>) {
-    const id = this._devices(this.hass.devices, this._filter || "")[ev.detail]
-      .id;
+    const id = this._devices(
+      this._devicesReg,
+      this._filter || "",
+      this._localize,
+      this._states,
+      this._i18n.locale.language
+    )[ev.detail].id;
     this.value = (this.value ?? []).filter((deviceId) => deviceId !== id);
   }
 
@@ -153,27 +195,24 @@ export class HaFilterDevices extends LitElement {
 
   private _devices = memoizeOne(
     (
-      devices: HomeAssistant["devices"],
-      filter: string
+      devices: ContextType<typeof devicesContext>,
+      filter: string,
+      localize: LocalizeFunc,
+      states: ContextType<typeof statesContext>,
+      language: string | undefined
     ): HaFilterDevicesItem[] => {
       const values = Object.values(devices);
       return values
         .map((device) => ({
           id: device.id,
           interactive: true,
-          name: computeDeviceNameDisplay(
-            device,
-            this.hass.localize,
-            this.hass.states
-          ),
+          name: computeDeviceNameDisplay(device, localize, states),
         }))
         .filter(
           ({ name }) =>
             !filter || name.toLowerCase().includes(filter.toLowerCase())
         )
-        .sort((a, b) =>
-          stringCompare(a.name, b.name, this.hass.locale.language)
-        );
+        .sort((a, b) => stringCompare(a.name, b.name, language));
     }
   );
 
@@ -194,7 +233,7 @@ export class HaFilterDevices extends LitElement {
     for (const deviceId of this.value) {
       value.push(deviceId);
       if (this.type) {
-        relatedPromises.push(findRelated(this.hass, "device", deviceId));
+        relatedPromises.push(findRelated(this._api, "device", deviceId));
       }
     }
     const results = await Promise.all(relatedPromises);

src/components/ha-filter-domains.ts

@@ -1,3 +1,4 @@
+import { consume, type ContextType } from "@lit/context";
 import type { SelectedDetail } from "@material/mwc-list";
 import { mdiFilterVariantRemove } from "@mdi/js";
 import type { CSSResultGroup, PropertyValues } from "lit";
@@ -5,12 +6,14 @@ import { css, html, LitElement, nothing } from "lit";
 import { customElement, property, query, state } from "lit/decorators";
 import { repeat } from "lit/directives/repeat";
 import memoizeOne from "memoize-one";
+import { consumeLocalize } from "../common/decorators/consume-context-entry";
 import { fireEvent } from "../common/dom/fire_event";
 import { computeDomain } from "../common/entity/compute_domain";
 import { stringCompare } from "../common/string/compare";
+import type { LocalizeFunc } from "../common/translations/localize";
+import { internationalizationContext, statesContext } from "../data/context";
 import { domainToName } from "../data/integration";
 import { haStyleScrollbar } from "../resources/styles";
-import type { HomeAssistant } from "../types";
 import "./ha-check-list-item";
 import "./ha-domain-icon";
 import "./ha-expansion-panel";
@@ -20,7 +23,17 @@ import type { HaInputSearch } from "./input/ha-input-search";
 
 @customElement("ha-filter-domains")
 export class HaFilterDomains extends LitElement {
-  @property({ attribute: false }) public hass!: HomeAssistant;
+  @state()
+  @consumeLocalize()
+  private _localize!: LocalizeFunc;
+
+  @consume({ context: statesContext, subscribe: true })
+  @state()
+  private _states!: ContextType<typeof statesContext>;
+
+  @consume({ context: internationalizationContext, subscribe: true })
+  @state()
+  private _i18n!: ContextType<typeof internationalizationContext>;
 
   @property({ attribute: false }) public value?: string[];
 
@@ -43,7 +56,7 @@ export class HaFilterDomains extends LitElement {
         @expanded-changed=${this._expandedChanged}
       >
         <div slot="header" class="header">
-          ${this.hass.localize("ui.panel.config.domains.caption")}
+          ${this._localize("ui.panel.config.domains.caption")}
           ${this.value?.length
             ? html`<div class="badge">${this.value?.length}</div>
                 <ha-icon-button
@@ -65,7 +78,13 @@ export class HaFilterDomains extends LitElement {
                 multi
               >
                 ${repeat(
-                  this._domains(this.hass.states, this._filter, this.value),
+                  this._domains(
+                    this._states,
+                    this._localize,
+                    this._i18n.locale.language,
+                    this._filter,
+                    this.value
+                  ),
                   (i) => i,
                   (domain) =>
                     html`<ha-check-list-item
@@ -78,7 +97,7 @@ export class HaFilterDomains extends LitElement {
                         .domain=${domain}
                         brand-fallback
                       ></ha-domain-icon>
-                      ${domainToName(this.hass.localize, domain)}
+                      ${domainToName(this._localize, domain)}
                     </ha-check-list-item>`
                 )}
               </ha-list> `
@@ -87,26 +106,34 @@ export class HaFilterDomains extends LitElement {
     `;
   }
 
-  private _domains = memoizeOne((states, filter, _value) => {
-    const domains = new Set<string>();
-    Object.keys(states).forEach((entityId) => {
-      domains.add(computeDomain(entityId));
-    });
+  private _domains = memoizeOne(
+    (
+      states: ContextType<typeof statesContext>,
+      localize: LocalizeFunc,
+      language: string | undefined,
+      filter: string | undefined,
+      _value
+    ) => {
+      const domains = new Set<string>();
+      Object.keys(states).forEach((entityId) => {
+        domains.add(computeDomain(entityId));
+      });
 
-    return Array.from(domains.values())
-      .map((domain) => ({
-        domain,
-        name: domainToName(this.hass.localize, domain),
-      }))
-      .filter(
-        (entry) =>
-          !filter ||
-          entry.domain.toLowerCase().includes(filter) ||
-          entry.name.toLowerCase().includes(filter)
-      )
-      .sort((a, b) => stringCompare(a.name, b.name, this.hass.locale.language))
-      .map((entry) => entry.domain);
-  });
+      return Array.from(domains.values())
+        .map((domain) => ({
+          domain,
+          name: domainToName(localize, domain),
+        }))
+        .filter(
+          (entry) =>
+            !filter ||
+            entry.domain.toLowerCase().includes(filter) ||
+            entry.name.toLowerCase().includes(filter)
+        )
+        .sort((a, b) => stringCompare(a.name, b.name, language))
+        .map((entry) => entry.domain);
+    }
+  );
 
   protected updated(changed: PropertyValues<this>) {
     if (changed.has("expanded") && this.expanded) {
@@ -129,7 +156,13 @@ export class HaFilterDomains extends LitElement {
   }
 
   private _handleItemSelected(ev: CustomEvent<SelectedDetail<Set<number>>>) {
-    const domains = this._domains(this.hass.states, this._filter, this.value);
+    const domains = this._domains(
+      this._states,
+      this._localize,
+      this._i18n.locale.language,
+      this._filter,
+      this.value
+    );
 
     const visibleDomains = new Set(domains);
     const preserved = (this.value || []).filter((d) => !visibleDomains.has(d));

src/components/ha-filter-entities.ts

@@ -1,18 +1,25 @@
+import { consume, type ContextType } from "@lit/context";
 import { mdiFilterVariantRemove } from "@mdi/js";
 import type { CSSResultGroup, PropertyValues } from "lit";
 import { css, html, LitElement, nothing } from "lit";
 import { customElement, property, query, state } from "lit/decorators";
 import memoizeOne from "memoize-one";
+import { consumeLocalize } from "../common/decorators/consume-context-entry";
 import { fireEvent } from "../common/dom/fire_event";
 import { computeStateDomain } from "../common/entity/compute_state_domain";
 import { computeStateName } from "../common/entity/compute_state_name";
 import { stringCompare } from "../common/string/compare";
+import type { LocalizeFunc } from "../common/translations/localize";
 import { deepEqual } from "../common/util/deep-equal";
+import {
+  apiContext,
+  internationalizationContext,
+  statesContext,
+} from "../data/context";
 import type { RelatedResult } from "../data/search";
 import { findRelated } from "../data/search";
 import { haStyleScrollbar } from "../resources/styles";
 import { loadVirtualizer } from "../resources/virtualizer";
-import type { HomeAssistant } from "../types";
 import "./ha-check-list-item";
 import "./ha-expansion-panel";
 import "./ha-list";
@@ -22,7 +29,20 @@ import type { HaInputSearch } from "./input/ha-input-search";
 
 @customElement("ha-filter-entities")
 export class HaFilterEntities extends LitElement {
-  @property({ attribute: false }) public hass!: HomeAssistant;
+  @state()
+  @consumeLocalize()
+  private _localize!: LocalizeFunc;
+
+  @consume({ context: statesContext, subscribe: true })
+  @state()
+  private _states!: ContextType<typeof statesContext>;
+
+  @consume({ context: internationalizationContext, subscribe: true })
+  @state()
+  private _i18n!: ContextType<typeof internationalizationContext>;
+
+  @consume({ context: apiContext, subscribe: true })
+  private _api!: ContextType<typeof apiContext>;
 
   @property({ attribute: false }) public value?: string[];
 
@@ -62,7 +82,7 @@ export class HaFilterEntities extends LitElement {
         @expanded-changed=${this._expandedChanged}
       >
         <div slot="header" class="header">
-          ${this.hass.localize("ui.panel.config.entities.caption")}
+          ${this._localize("ui.panel.config.entities.caption")}
           ${this.value?.length
             ? html`<div class="badge">${this.value?.length}</div>
                 <ha-icon-button
@@ -82,9 +102,10 @@ export class HaFilterEntities extends LitElement {
               <ha-list class="ha-scrollbar" multi>
                 <lit-virtualizer
                   .items=${this._entities(
-                    this.hass.states,
+                    this._states,
                     this.type,
                     this._filter || "",
+                    this._i18n.locale.language,
                     this.value
                   )}
                   .keyFunction=${this._keyFunction}
@@ -163,9 +184,10 @@ export class HaFilterEntities extends LitElement {
 
   private _entities = memoizeOne(
     (
-      states: HomeAssistant["states"],
+      states: ContextType<typeof statesContext>,
       type: this["type"],
       filter: string,
+      language: string | undefined,
       _value
     ) => {
       const values = Object.values(states);
@@ -180,11 +202,7 @@ export class HaFilterEntities extends LitElement {
                 .includes(filter))
         )
         .sort((a, b) =>
-          stringCompare(
-            computeStateName(a),
-            computeStateName(b),
-            this.hass.locale.language
-          )
+          stringCompare(computeStateName(a), computeStateName(b), language)
         );
     }
   );
@@ -203,7 +221,7 @@ export class HaFilterEntities extends LitElement {
 
     for (const entityId of this.value) {
       if (this.type) {
-        relatedPromises.push(findRelated(this.hass, "entity", entityId));
+        relatedPromises.push(findRelated(this._api, "entity", entityId));
       }
     }
 

src/components/ha-filter-floor-areas.ts

@@ -1,3 +1,4 @@
+import { consume, type ContextType } from "@lit/context";
 import { mdiFilterVariantRemove, mdiTextureBox } from "@mdi/js";
 import type { CSSResultGroup, PropertyValues } from "lit";
 import { LitElement, css, html, nothing } from "lit";
@@ -5,14 +6,21 @@ import { customElement, property, query, state } from "lit/decorators";
 import { classMap } from "lit/directives/class-map";
 import { repeat } from "lit/directives/repeat";
 import memoizeOne from "memoize-one";
+import { consumeLocalize } from "../common/decorators/consume-context-entry";
 import { fireEvent } from "../common/dom/fire_event";
 import { computeRTL } from "../common/util/compute_rtl";
 import { deepEqual } from "../common/util/deep-equal";
+import type { LocalizeFunc } from "../common/translations/localize";
+import {
+  apiContext,
+  areasContext,
+  floorsContext,
+  internationalizationContext,
+} from "../data/context";
 import { getFloorAreaLookup } from "../data/floor_registry";
 import type { RelatedResult } from "../data/search";
 import { findRelated } from "../data/search";
 import { haStyleScrollbar } from "../resources/styles";
-import type { HomeAssistant } from "../types";
 import "./ha-expansion-panel";
 import "./ha-floor-icon";
 import "./ha-icon";
@@ -26,7 +34,24 @@ import type { HaListSelectable } from "./list/ha-list-selectable";
 
 @customElement("ha-filter-floor-areas")
 export class HaFilterFloorAreas extends LitElement {
-  @property({ attribute: false }) public hass!: HomeAssistant;
+  @state()
+  @consumeLocalize()
+  private _localize!: LocalizeFunc;
+
+  @consume({ context: areasContext, subscribe: true })
+  @state()
+  private _areasReg!: ContextType<typeof areasContext>;
+
+  @consume({ context: floorsContext, subscribe: true })
+  @state()
+  private _floorsReg!: ContextType<typeof floorsContext>;
+
+  @consume({ context: internationalizationContext, subscribe: true })
+  @state()
+  private _i18n!: ContextType<typeof internationalizationContext>;
+
+  @consume({ context: apiContext, subscribe: true })
+  private _api!: ContextType<typeof apiContext>;
 
   @property({ attribute: false }) public value?: {
     floors?: string[];
@@ -55,7 +80,7 @@ export class HaFilterFloorAreas extends LitElement {
   }
 
   protected render() {
-    const areas = this._areas(this.hass.areas, this.hass.floors);
+    const areas = this._areas(this._areasReg, this._floorsReg);
 
     return html`
       <ha-expansion-panel
@@ -65,7 +90,7 @@ export class HaFilterFloorAreas extends LitElement {
         @expanded-changed=${this._expandedChanged}
       >
         <div slot="header" class="header">
-          ${this.hass.localize("ui.panel.config.areas.caption")}
+          ${this._localize("ui.panel.config.areas.caption")}
           ${this.value?.areas?.length || this.value?.floors?.length
             ? html`<div class="badge">
                   ${(this.value?.areas?.length || 0) +
@@ -85,9 +110,7 @@ export class HaFilterFloorAreas extends LitElement {
                 multi
                 @ha-list-item-selected=${this._handleAdded}
                 @ha-list-item-deselected=${this._handleRemoved}
-                aria-label=${this.hass.localize(
-                  "ui.panel.config.areas.caption"
-                )}
+                aria-label=${this._localize("ui.panel.config.areas.caption")}
               >
                 ${repeat(
                   areas?.floors || [],
@@ -141,8 +164,8 @@ export class HaFilterFloorAreas extends LitElement {
         .type=${"areas"}
         class=${classMap({
           rtl: computeRTL(
-            this.hass.language,
-            this.hass.translationMetadata.translations
+            this._i18n.language,
+            this._i18n.translationMetadata.translations
           ),
           floor: hasFloor,
         })}
@@ -225,7 +248,10 @@ export class HaFilterFloorAreas extends LitElement {
   }
 
   private _areas = memoizeOne(
-    (areaReg: HomeAssistant["areas"], floorReg: HomeAssistant["floors"]) => {
+    (
+      areaReg: ContextType<typeof areasContext>,
+      floorReg: ContextType<typeof floorsContext>
+    ) => {
       const areas = Object.values(areaReg);
       const floors = Object.values(floorReg);
       const floorAreaLookup = getFloorAreaLookup(areas);
@@ -261,7 +287,7 @@ export class HaFilterFloorAreas extends LitElement {
     if (this.value.areas) {
       for (const areaId of this.value.areas) {
         if (this.type) {
-          relatedPromises.push(findRelated(this.hass, "area", areaId));
+          relatedPromises.push(findRelated(this._api, "area", areaId));
         }
       }
     }
@@ -269,7 +295,7 @@ export class HaFilterFloorAreas extends LitElement {
     if (this.value.floors) {
       for (const floorId of this.value.floors) {
         if (this.type) {
-          relatedPromises.push(findRelated(this.hass, "floor", floorId));
+          relatedPromises.push(findRelated(this._api, "floor", floorId));
         }
       }
     }

src/components/ha-filter-labels.ts

@@ -1,4 +1,4 @@
-import { consume } from "@lit/context";
+import { consume, type ContextType } from "@lit/context";
 import type { SelectedDetail } from "@material/mwc-list";
 import { mdiCog, mdiFilterVariantRemove } from "@mdi/js";
 import type { CSSResultGroup, PropertyValues } from "lit";
@@ -6,13 +6,14 @@ import { LitElement, css, html, nothing } from "lit";
 import { customElement, property, query, state } from "lit/decorators";
 import { repeat } from "lit/directives/repeat";
 import memoizeOne from "memoize-one";
+import { consumeLocalize } from "../common/decorators/consume-context-entry";
 import { fireEvent } from "../common/dom/fire_event";
 import { navigate } from "../common/navigate";
 import { stringCompare } from "../common/string/compare";
-import { labelsContext } from "../data/context";
+import type { LocalizeFunc } from "../common/translations/localize";
+import { internationalizationContext, labelsContext } from "../data/context";
 import type { LabelRegistryEntry } from "../data/label/label_registry";
 import { haStyleScrollbar } from "../resources/styles";
-import type { HomeAssistant } from "../types";
 import "./ha-check-list-item";
 import "./ha-expansion-panel";
 import "./ha-icon";
@@ -25,14 +26,20 @@ import type { HaInputSearch } from "./input/ha-input-search";
 
 @customElement("ha-filter-labels")
 export class HaFilterLabels extends LitElement {
-  @property({ attribute: false }) public hass!: HomeAssistant;
-
   @property({ attribute: false }) public value?: string[];
 
   @property({ type: Boolean }) public narrow = false;
 
   @property({ type: Boolean, reflect: true }) public expanded = false;
 
+  @state()
+  @consumeLocalize()
+  private _localize!: LocalizeFunc;
+
+  @consume({ context: internationalizationContext, subscribe: true })
+  @state()
+  private _i18n!: ContextType<typeof internationalizationContext>;
+
   @consume({ context: labelsContext, subscribe: true })
   @state()
   private _labels?: LabelRegistryEntry[];
@@ -45,7 +52,12 @@ export class HaFilterLabels extends LitElement {
 
   private _filteredLabels = memoizeOne(
     // `_value` used to recalculate the memoization when the selection changes
-    (labels: LabelRegistryEntry[], filter: string | undefined, _value) =>
+    (
+      labels: LabelRegistryEntry[],
+      filter: string | undefined,
+      language: string | undefined,
+      _value
+    ) =>
       labels
         .filter(
           (label) =>
@@ -54,11 +66,7 @@ export class HaFilterLabels extends LitElement {
             label.label_id.toLowerCase().includes(filter)
         )
         .sort((a, b) =>
-          stringCompare(
-            a.name || a.label_id,
-            b.name || b.label_id,
-            this.hass.locale.language
-          )
+          stringCompare(a.name || a.label_id, b.name || b.label_id, language)
         )
   );
 
@@ -71,7 +79,7 @@ export class HaFilterLabels extends LitElement {
         @expanded-changed=${this._expandedChanged}
       >
         <div slot="header" class="header">
-          ${this.hass.localize("ui.panel.config.labels.caption")}
+          ${this._localize("ui.panel.config.labels.caption")}
           ${this.value?.length
             ? html`<div class="badge">${this.value?.length}</div>
                 <ha-icon-button
@@ -96,6 +104,7 @@ export class HaFilterLabels extends LitElement {
                   this._filteredLabels(
                     this._labels || [],
                     this._filter,
+                    this._i18n.locale.language,
                     this.value
                   ),
                   (label) => label.label_id,
@@ -129,7 +138,7 @@ export class HaFilterLabels extends LitElement {
             class="add"
           >
             <ha-svg-icon slot="graphic" .path=${mdiCog}></ha-svg-icon>
-            ${this.hass.localize("ui.panel.config.labels.manage_labels")}
+            ${this._localize("ui.panel.config.labels.manage_labels")}
           </ha-list-item>`
         : nothing}
     `;
@@ -169,6 +178,7 @@ export class HaFilterLabels extends LitElement {
     const filteredLabels = this._filteredLabels(
       this._labels || [],
       this._filter,
+      this._i18n.locale.language,
       this.value
     );
 

src/components/ha-filter-states.ts

@@ -5,7 +5,6 @@ import { css, html, LitElement, nothing } from "lit";
 import { customElement, property, query, state } from "lit/decorators";
 import { fireEvent } from "../common/dom/fire_event";
 import { haStyleScrollbar } from "../resources/styles";
-import type { HomeAssistant } from "../types";
 import "./ha-check-list-item";
 import "./ha-expansion-panel";
 import "./ha-icon";
@@ -14,8 +13,6 @@ import "./ha-list";
 
 @customElement("ha-filter-states")
 export class HaFilterStates extends LitElement {
-  @property({ attribute: false }) public hass!: HomeAssistant;
-
   @property() public label?: string;
 
   @property({ attribute: false }) public value?: string[];

src/components/ha-filter-voice-assistants.ts

@@ -8,7 +8,6 @@ import { consumeLocalize } from "../common/decorators/consume-context-entry";
 import type { LocalizeFunc } from "../common/translations/localize";
 import { fireEvent } from "../common/dom/fire_event";
 import { haStyleScrollbar } from "../resources/styles";
-import type { HomeAssistant } from "../types";
 import "./ha-check-list-item";
 import "./ha-expansion-panel";
 import "./ha-icon";
@@ -22,8 +21,6 @@ import "../panels/config/voice-assistants/expose/expose-assistant-icon";
 
 @customElement("ha-filter-voice-assistants")
 export class HaFilterVoiceAssistants extends LitElement {
-  @property({ attribute: false }) public hass!: HomeAssistant;
-
   @state()
   @consumeLocalize()
   private _localize!: LocalizeFunc;
@@ -78,7 +75,6 @@ export class HaFilterVoiceAssistants extends LitElement {
                     <voice-assistant-brand-icon
                       slot="graphic"
                       .voiceAssistantId=${voiceAssistantId}
-                      .hass=${this.hass}
                     >
                     </voice-assistant-brand-icon>
                     ${voiceAssistants[voiceAssistantId].name}

src/components/ha-hls-player.ts

@@ -1,13 +1,16 @@
+import { consume, type ContextType } from "@lit/context";
 import type HlsType from "hls.js";
 import type { PropertyValues, TemplateResult } from "lit";
 import { css, html, LitElement } from "lit";
 import { customElement, property, query, state } from "lit/decorators";
 import { styleMap } from "lit/directives/style-map";
 import { isComponentLoaded } from "../common/config/is_component_loaded";
+import { consumeLocalize } from "../common/decorators/consume-context-entry";
 import { fireEvent } from "../common/dom/fire_event";
+import type { LocalizeFunc } from "../common/translations/localize";
 import { nextRender } from "../common/util/render-status";
 import { fetchStreamUrl } from "../data/camera";
-import type { HomeAssistant } from "../types";
+import { apiContext, configContext, connectionContext } from "../data/context";
 import "./ha-alert";
 
 type HlsLite = Omit<
@@ -17,7 +20,21 @@ type HlsLite = Omit<
 
 @customElement("ha-hls-player")
 class HaHLSPlayer extends LitElement {
-  @property({ attribute: false }) public hass!: HomeAssistant;
+  @state()
+  @consumeLocalize()
+  private _localize!: LocalizeFunc;
+
+  @state()
+  @consume({ context: configContext, subscribe: true })
+  private _config!: ContextType<typeof configContext>;
+
+  @state()
+  @consume({ context: apiContext, subscribe: true })
+  private _api!: ContextType<typeof apiContext>;
+
+  @state()
+  @consume({ context: connectionContext, subscribe: true })
+  private _connection!: ContextType<typeof connectionContext>;
 
   @property() public entityid?: string;
 
@@ -140,7 +157,7 @@ class HaHLSPlayer extends LitElement {
     this._cleanUp();
     this._resetError();
 
-    if (!isComponentLoaded(this.hass.config, "stream")) {
+    if (!isComponentLoaded(this._config.config, "stream")) {
       this._setFatalError("Streaming component is not loaded.");
       return;
     }
@@ -149,9 +166,12 @@ class HaHLSPlayer extends LitElement {
       return;
     }
     try {
-      const { url } = await fetchStreamUrl(this.hass!, this.entityid);
+      const { url } = await fetchStreamUrl(
+        { callWS: this._api.callWS, hassUrl: this._connection.hassUrl },
+        this.entityid
+      );
 
-      this._url = this.hass.hassUrl(url);
+      this._url = this._connection.hassUrl(url);
       this._cleanUp();
       this._resetError();
       this._startHls();
@@ -184,13 +204,13 @@ class HaHLSPlayer extends LitElement {
 
     if (!hlsSupported) {
       this._setFatalError(
-        this.hass.localize("ui.components.media-browser.video_not_supported")
+        this._localize("ui.components.media-browser.video_not_supported")
       );
       return;
     }
 
     const useExoPlayer =
-      this.allowExoPlayer && this.hass.auth.external?.config.hasExoPlayer;
+      this.allowExoPlayer && this._config.auth.external?.config.hasExoPlayer;
     const masterPlaylist = await (await masterPlaylistPromise).text();
 
     if (!this.isConnected) {
@@ -236,7 +256,7 @@ class HaHLSPlayer extends LitElement {
     window.addEventListener("resize", this._resizeExoPlayer);
     this.updateComplete.then(() => nextRender()).then(this._resizeExoPlayer);
     this._videoEl.style.visibility = "hidden";
-    await this.hass!.auth.external!.fireMessage({
+    await this._config.auth.external!.fireMessage({
       type: "exoplayer/play_hls",
       payload: {
         url,
@@ -250,7 +270,7 @@ class HaHLSPlayer extends LitElement {
       return;
     }
     const rect = this._videoEl.getBoundingClientRect();
-    this.hass!.auth.external!.fireMessage({
+    this._config.auth.external!.fireMessage({
       type: "exoplayer/resize",
       payload: {
         left: rect.left,
@@ -362,7 +382,7 @@ class HaHLSPlayer extends LitElement {
     }
     if (this._exoPlayer) {
       window.removeEventListener("resize", this._resizeExoPlayer);
-      this.hass!.auth.external!.fireMessage({ type: "exoplayer/stop" });
+      this._config.auth.external!.fireMessage({ type: "exoplayer/stop" });
       this._exoPlayer = false;
     }
     if (this._videoEl) {

src/components/ha-lawn_mower-action-button.ts

@@ -1,10 +1,13 @@
+import { consume, type ContextType } from "@lit/context";
 import { LitElement, css, html } from "lit";
-import { customElement, property } from "lit/decorators";
+import { customElement, property, state } from "lit/decorators";
+import { consumeLocalize } from "../common/decorators/consume-context-entry";
 import { supportsFeature } from "../common/entity/supports-feature";
+import type { LocalizeFunc } from "../common/translations/localize";
+import { apiContext, formattersContext } from "../data/context";
 import "./ha-button";
 import type { LawnMowerEntity, LawnMowerEntityState } from "../data/lawn_mower";
 import { LawnMowerEntityFeature } from "../data/lawn_mower";
-import type { HomeAssistant } from "../types";
 
 interface LawnMowerAction {
   action: string;
@@ -39,13 +42,19 @@ const LAWN_MOWER_ACTIONS: Partial<
 
 @customElement("ha-lawn_mower-action-button")
 class HaLawnMowerActionButton extends LitElement {
-  @property({ attribute: false }) public hass!: HomeAssistant;
+  @state() @consumeLocalize() private _localize!: LocalizeFunc;
+
+  @state()
+  @consume({ context: formattersContext, subscribe: true })
+  private _formatters?: ContextType<typeof formattersContext>;
+
+  @consume({ context: apiContext, subscribe: true })
+  private _api!: ContextType<typeof apiContext>;
 
   @property({ attribute: false }) public stateObj!: LawnMowerEntity;
 
   public render() {
-    const state = this.stateObj.state;
-    const action = LAWN_MOWER_ACTIONS[state];
+    const action = LAWN_MOWER_ACTIONS[this.stateObj.state];
 
     if (action && supportsFeature(this.stateObj, action.feature)) {
       return html`
@@ -55,14 +64,14 @@ class HaLawnMowerActionButton extends LitElement {
           .service=${action.service}
           size="s"
         >
-          ${this.hass.localize(`ui.card.lawn_mower.actions.${action.action}`)}
+          ${this._localize(`ui.card.lawn_mower.actions.${action.action}`)}
         </ha-button>
       `;
     }
 
     return html`
       <ha-button appearance="plain" disabled>
-        ${this.hass.formatEntityState(this.stateObj)}
+        ${this._formatters?.formatEntityState(this.stateObj)}
       </ha-button>
     `;
   }
@@ -71,7 +80,7 @@ class HaLawnMowerActionButton extends LitElement {
     ev.stopPropagation();
     const stateObj = this.stateObj;
     const service = ev.target.service;
-    this.hass.callService("lawn_mower", service, {
+    this._api.callService("lawn_mower", service, {
       entity_id: stateObj.entity_id,
     });
   }

src/components/ha-navigation-picker.ts

@@ -243,7 +243,6 @@ export class HaNavigationPicker extends LitElement {
         items = multiTermSortedSearch(
           items,
           searchString,
-          DEFAULT_SEARCH_KEYS,
           (item) => item.id,
           fuseIndex
         );

src/components/ha-picker-combo-box.ts

@@ -492,7 +492,6 @@ export class HaPickerComboBox extends ScrollableFadeMixin(LitElement) {
       let filteredItems = multiTermSortedSearch<PickerComboBoxItem>(
         this._allItems,
         searchString,
-        this.searchKeys || DEFAULT_SEARCH_KEYS,
         (item) => item.id,
         index
       );