Fix datetime import and add database migration script

api/routes/snitch.py

@@ -5,6 +5,7 @@ api/routes/snitch.py - API endpoints for snitch system
 import flask
 import jwt
 import os
+from datetime import datetime
 import core.postgres as postgres
 import core.snitch as snitch_core
 
@@ -85,7 +86,7 @@ def register(app):
             "require_consent": data.get("require_consent", True),
             "consent_given": data.get("consent_given", False),
             "snitch_cooldown_hours": data.get("snitch_cooldown_hours", 4),
-            "updated_at": flask.datetime.utcnow(),
+            "updated_at": datetime.utcnow(),
         }
 
         # Check if settings exist
@@ -95,7 +96,7 @@ def register(app):
             postgres.update("snitch_settings", update_data, {"user_uuid": user_uuid})
         else:
             update_data["user_uuid"] = user_uuid
-            update_data["created_at"] = flask.datetime.utcnow()
+            update_data["created_at"] = datetime.utcnow()
             postgres.insert("snitch_settings", update_data)
 
         return flask.jsonify({"success": True}), 200
@@ -167,7 +168,7 @@ def register(app):
             "priority": data.get("priority", 1),
             "notify_all": data.get("notify_all", False),
             "is_active": data.get("is_active", True),
-            "created_at": flask.datetime.utcnow(),
+            "created_at": datetime.utcnow(),
         }
 
         result = postgres.insert("snitch_contacts", contact_data)