feat: Add card picker suggestion for camera entities (#2517)

Selecting a camera entity in the dashboard card picker now suggests
Advanced Camera Card under the Community section, so you can add it in
one click without searching for it manually.

Requires Home Assistant 2026.6 or later.

Docs:
https://developers.home-assistant.io/docs/frontend/custom-ui/custom-card#suggesting-your-card-for-an-entity

---------

Co-authored-by: dermotduffy <dermot.duffy@gmail.com>

src/card.ts

@@ -14,6 +14,7 @@ import { styleMap } from 'lit/directives/style-map.js';
 import 'web-dialog';
 
 import { actionHandler } from './action-handler-directive.js';
+import { ConfigManager } from './card-controller/config/config-manager';
 import { CardController } from './card-controller/controller';
 import type { IssueKey, IssueTriggerEventData } from './card-controller/issues/types.js';
 import { resolveAutoHideState, type AutoHideState } from './components-lib/auto-hide.js';
@@ -47,7 +48,10 @@ import type { ConditionStateManagerGetEvent } from './condition-trigger/conditio
 import type { StatusBarItem } from './config/schema/actions/types.js';
 import type { MenuItem } from './config/schema/elements/custom/menu/types.js';
 import type { AdvancedCameraCardConfig } from './config/schema/types.js';
-import type { RawAdvancedCameraCardConfig } from './config/types.js';
+import type {
+  PartialAdvancedCameraCardConfig,
+  RawAdvancedCameraCardConfig,
+} from './config/types.js';
 import { REPO_URL } from './const.js';
 import type { HomeAssistant, LovelaceCardEditor } from './ha/types.js';
 import { localize } from './localize/localize.js';
@@ -97,6 +101,7 @@ console.info(
   description: localize('common.advanced_camera_card_description'),
   preview: true,
   documentationURL: REPO_URL,
+  getEntitySuggestion: ConfigManager.getEntitySuggestion,
 });
 
 // Expose currently-connected card instances on `window.advancedCameraCards` for
@@ -172,8 +177,8 @@ class AdvancedCameraCard extends LitElement {
   public static getStubConfig(
     _: HomeAssistant,
     entities: string[],
-  ): AdvancedCameraCardConfig {
-    return CardController.getStubConfig(entities);
+  ): PartialAdvancedCameraCardConfig {
+    return ConfigManager.getStubConfig(entities);
   }
 
   public setConfig(config: RawAdvancedCameraCardConfig): void {