From a166b4e9b6dbfa3d1b034eea62769d32504986ab Mon Sep 17 00:00:00 2001
From: Paul Bottein <paul.bottein@gmail.com>
Date: Wed, 24 Sep 2025 19:19:31 +0200
Subject: [PATCH] Do not show error message when action has no response in dev
 tools (#27156)

---
 src/data/service.ts                                         | 2 +-
 src/panels/developer-tools/action/developer-tools-action.ts | 6 +++---
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/data/service.ts b/src/data/service.ts
index 93950a5112..36042899d1 100644
--- a/src/data/service.ts
+++ b/src/data/service.ts
@@ -4,7 +4,7 @@ import type { Action } from "./script";
 export const callExecuteScript = (
   hass: HomeAssistant,
   sequence: Action | Action[]
-): Promise<{ context: Context; response: Record<string, any> }> =>
+): Promise<{ context: Context; response: Record<string, any> | null }> =>
   hass.callWS({
     type: "execute_script",
     sequence,
diff --git a/src/panels/developer-tools/action/developer-tools-action.ts b/src/panels/developer-tools/action/developer-tools-action.ts
index a934648d4d..457073e540 100644
--- a/src/panels/developer-tools/action/developer-tools-action.ts
+++ b/src/panels/developer-tools/action/developer-tools-action.ts
@@ -51,7 +51,7 @@ class HaPanelDevAction extends LitElement {
   @state() private _response?: {
     domain: string;
     service: string;
-    result: Record<string, any>;
+    result: Record<string, any> | null;
     media?: Promise<TemplateResult | typeof nothing>;
   };
 
@@ -205,7 +205,7 @@ class HaPanelDevAction extends LitElement {
           </ha-progress-button>
         </div>
       </div>
-      ${this._response
+      ${this._response?.result
         ? html`<div class="content response">
             <ha-card
               .header=${this.hass.localize(
@@ -491,7 +491,7 @@ class HaPanelDevAction extends LitElement {
         service,
         result,
         media:
-          "media_source_id" in result
+          result && "media_source_id" in result
             ? resolveMediaSource(this.hass, result.media_source_id).then(
                 (resolved) =>
                   resolved.mime_type.startsWith("image/")