feat: add priority filtering and sort stability to V3 Lookup System

tests/e2e/test_e2e_v3_lookup.py

@@ -20,13 +20,16 @@ def print_result(label, success, message=""):
     status = "✅ PASS" if success else "❌ FAIL"
     print(f"{status} | {label} {': ' + message if message else ''}")
 
-def test_lookup_list(lu_type, site_id=None):
+def test_lookup_list(lu_type, site_id=None, only_priority=False):
     label = f"GET /{lu_type}/list"
     url = f"{BASE_URL}/{lu_type}/list"
     params = {}
     if site_id:
         params["site_id"] = site_id
         label += f" (Site: {site_id})"
+    if only_priority:
+        params["only_priority"] = "true"
+        label += " (Priority Only)"
         
     try:
         start_time = time.time()
@@ -37,6 +40,16 @@ def test_lookup_list(lu_type, site_id=None):
             data = response.json().get('data', [])
             msg = f"Found {len(data)} items ({duration:.2f}s)"
             print_result(label, True, msg)
+            
+            # Print top 10 for sorting verification
+            if data and not site_id: # Only print for full or priority lists
+                limit = 10 if not only_priority else len(data)
+                print(f"   Items:")
+                for i, item in enumerate(data[:limit]):
+                    prio = item.get('priority', 0)
+                    sort = item.get('sort', 0)
+                    print(f"   [{i+1}] {item.get('name')} (Prio: {prio}, Sort: {sort})")
+            
             return data
         else:
             print_result(label, False, f"Status {response.status_code}: {response.text[:100]}")
@@ -68,7 +81,9 @@ if __name__ == "__main__":
     
     # 1. Basic Lists (Phase 1)
     test_lookup_list("country")
-    test_lookup_list("time_zone")
+    
+    print("\n--- Testing Priority Only ---")
+    test_lookup_list("time_zone", only_priority=True)
     
     # 2. Whitelist Test (Phase 2)
     if SITE_ID_RANDOM != "SET_ME_TO_SITE_ID":