merge: fix/p-episode-groups

Co-Authored-By: Claude Opus 5.5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01Cxwgnn2pbzQ7rXv3rq7fei

packages/db/src/types.ts

@@ -953,6 +953,10 @@ export interface MediaEntityTable {
   created_at: GeneratedTimestamptz;
   updated_at: GeneratedTimestamptz;
   naming_override: Json | null;
+  episode_group_id: string | null;
+  episode_group_name: string | null;
+  episode_group_set_at: Timestamptz | null;
+  episode_group_set_by: string | null;
 }
 
 export interface MediaServerInstanceTable {