Method flagThread

server/src/addie/thread-service.ts:385–390

* Flag a thread

(threadId: string, reason: string)

   * Flag a thread
   */
  async flagThread(threadId: string, reason: string): Promise<void> {
    await query(
      `UPDATE addie_threads SET flagged = TRUE, flag_reason = $2, updated_at = NOW() WHERE thread_id = $1`,
      [threadId, reason]
    );
  }

  /**
   * Merge keys into a thread's context JSONB (top-level merge, not deep)