feat: add problem detection framework for common problems (#2412)

Introduces a ProblemManager that detects and surfaces actionable issues
(stale config, legacy frigate-hass-card resources, slow/failed streams)
via status bar indicators and notification popups with fix actions.

src/utils/diagnostics.ts

@@ -1,4 +1,5 @@
 import pkg from '../../package.json';
+import { ProblemPresence } from '../card-controller/problems/types';
 import { RawAdvancedCameraCardConfig } from '../config/types';
 import { getIntegrationManifest } from '../ha/integration';
 import { IntegrationManifest } from '../ha/integration/types';
@@ -46,6 +47,7 @@ interface Diagnostics {
 
   ha_version?: string;
   config?: RawAdvancedCameraCardConfig;
+  problems?: ProblemPresence;
 
   custom_integrations: {
     frigate: IntegrationDiagnostics & {
@@ -80,6 +82,7 @@ export const getDiagnostics = async (
   hass?: HomeAssistant,
   deviceRegistryManager?: DeviceRegistryManager,
   rawConfig?: RawAdvancedCameraCardConfig,
+  problems?: ProblemPresence,
 ): Promise<Diagnostics> => {
   // Get the Frigate devices in order to extract the Frigate integration and
   // server version numbers.
@@ -121,6 +124,7 @@ export const getDiagnostics = async (
       },
       hass_web_proxy: await getIntegrationDiagnostics(HASS_WEB_PROXY_DOMAIN, hass),
     },
+    ...(problems && { problems }),
     ...(rawConfig && { config: rawConfig }),
   };
 };