Clean old logs without emails, fix email filter search

Clear pre-migration log entries that have no email stored.
Update audit filter to search by email or user_id.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: Sbussiso

backend/app/api/audit.py

@@ -30,7 +30,10 @@ async def get_stream_logs(
         query = query.filter(StreamAccessLog.camera_id == camera_id)
 
     if user_id:
-        query = query.filter(StreamAccessLog.user_id == user_id)
+        query = query.filter(
+            StreamAccessLog.user_email.ilike(f"%{user_id}%")
+            | StreamAccessLog.user_id.ilike(f"%{user_id}%")
+        )
 
     total = query.count()
 

backend/app/main.py

@@ -20,6 +20,11 @@
     if "user_email" not in columns:
         conn.execute(text("ALTER TABLE stream_access_logs ADD COLUMN user_email VARCHAR(255) DEFAULT ''"))
         conn.commit()
+    else:
+        # Clear old test data that has no email (one-time cleanup)
+        result = conn.execute(text("DELETE FROM stream_access_logs WHERE user_email = '' OR user_email IS NULL"))
+        if result.rowcount > 0:
+            conn.commit()
 
 limiter = Limiter(key_func=lambda: "default")