UI fixes: Admin UI padding, AI Tutor Chat History, DPP filtering and Premium Gates

backend/main.py

@@ -445,6 +445,8 @@ def list_active_tests(exam_pattern: Optional[str] = None, type: Optional[str] =
     if exam_pattern:
         if exam_pattern == 'JEE_NEET':
             pass
+        elif exam_pattern == 'JEE':
+            query = query.where(models.Test.exam_pattern.in_(['JEE_Main', 'JEE_Advanced']))
         else:
             query = query.where(models.Test.exam_pattern == exam_pattern)
     if type:
@@ -1839,3 +1841,4 @@ def verify_payment(payload: VerifyPaymentPayload, session: Session = Depends(get
 
     return {"success": True, "tier": user.tier.value}
 
+