Fix deprecation warning and MongoDB conflict error

- Migrate from deprecated google.generativeai to google.genai package
- Remove google-generativeai from requirements.txt (using google-genai instead)
- Fix MongoDB conflict: Remove updatedAt from \ to prevent conflict with \
- Fixes 'Updating the path updatedAt would create a conflict' error in admin media click logging

api/main.py

@@ -409,7 +409,6 @@ def log_media_click(user_id: Optional[str], category_id: Optional[str]) -> None:
                             }
                         ],
                         "createdAt": now,
-                        "updatedAt": now,
                         "ai_edit_daily_count": daily_for_new,
                     },
                     "$inc": {"ai_edit_complete": 1},  # Increment to 1 on first use

requirements.txt

@@ -2,7 +2,6 @@ fastapi
 uvicorn[standard]
 python-multipart
 google-genai>=1.38.0
-google-generativeai
 python-dotenv
 numpy
 opencv-python-headless

src/core.py

@@ -14,7 +14,7 @@ import base64
 import cv2
 import numpy as np
 from PIL import Image
-import google.generativeai as genai
+import google.genai as genai
 
 log = logging.getLogger(__name__)