⏰ Increase rate limiting to 15s (5 req/min quota compliance)

scripts/generate_dino_valley_complete.py

@@ -146,7 +146,7 @@ def run_generation():
                 else:
                     stats['failed'] += 1
                 
-                time.sleep(2)  # Rate limiting
+                time.sleep(15)  # Rate limiting (5 req/min limit)
                 
                 # Generate styleB
                 stats['total'] += 1
@@ -164,7 +164,7 @@ def run_generation():
                 progress = (stats['total'] / manifest['remaining']) * 100
                 print(f"\n📊 Progress: {progress:.1f}% | Success: {stats['success']} | Failed: {stats['failed']}")
                 
-                time.sleep(2)  # Rate limiting
+                time.sleep(15)  # Rate limiting (5 req/min limit)
         
         # Final summary
         print("\n" + "="*70)