Add diagnostics platform (#70046)

.coveragerc

@@ -1266,6 +1266,7 @@ omit =
     homeassistant/components/tractive/__init__.py
     homeassistant/components/tractive/binary_sensor.py
     homeassistant/components/tractive/device_tracker.py
+    homeassistant/components/tractive/diagnostics.py
     homeassistant/components/tractive/entity.py
     homeassistant/components/tractive/sensor.py
     homeassistant/components/tractive/switch.py

homeassistant/components/tractive/diagnostics.py

@@ -0,0 +1,28 @@
+"""Diagnostics support for Tractive."""
+from __future__ import annotations
+
+from homeassistant.components.diagnostics import async_redact_data
+from homeassistant.config_entries import ConfigEntry
+from homeassistant.const import CONF_EMAIL, CONF_PASSWORD
+from homeassistant.core import HomeAssistant
+
+from .const import DOMAIN, TRACKABLES
+
+TO_REDACT = {CONF_PASSWORD, CONF_EMAIL, "title", "_id"}
+
+
+async def async_get_config_entry_diagnostics(
+    hass: HomeAssistant, config_entry: ConfigEntry
+) -> dict:
+    """Return diagnostics for a config entry."""
+    trackables = hass.data[DOMAIN][config_entry.entry_id][TRACKABLES]
+
+    diagnostics_data = async_redact_data(
+        {
+            "config_entry": config_entry.as_dict(),
+            "trackables": [item.trackable for item in trackables],
+        },
+        TO_REDACT,
+    )
+
+    return diagnostics_data