refactor: Remove unused imports from commend router

app/routes/commend/router.py

@@ -7,7 +7,7 @@ from __future__ import annotations
 
 import os
 import time
-from typing import Literal, Optional, Dict, Any, List
+from typing import Literal, Optional
 
 from fastapi import APIRouter, HTTPException, status
 from pydantic import BaseModel, Field, field_validator
@@ -22,7 +22,7 @@ from .youtube_service import (
     is_youtube_configured,
     is_oauth_configured
 )
-from .gemini_service import generate_comment, summarize_transcript
+from .gemini_service import generate_comment
 from ...services.logging_config import get_logger
 
 logger = get_logger(__name__)