feat: Explicit answer/reject for inbound calls (#2504)

src/config/schema/actions/custom/call-answer.ts

@@ -0,0 +1,8 @@
+import { z } from 'zod';
+import { advancedCameraCardCustomActionsBaseSchema } from './base';
+
+export const callAnswerActionConfigSchema =
+  advancedCameraCardCustomActionsBaseSchema.extend({
+    advanced_camera_card_action: z.literal('call_answer'),
+  });
+export type CallAnswerActionConfig = z.infer<typeof callAnswerActionConfigSchema>;