feat: add 3-second API cooldown between turns to avoid Gemini 429 rate limit

templates/agent_executor.py

@@ -6,6 +6,7 @@ import base64
 import random
 import urllib.request
 import urllib.error
+import time
 
 class SwarmAgent:
     def __init__(self, task_data):
@@ -172,6 +173,9 @@ class SwarmAgent:
         # Loop de multi-turn de ferramentas (máximo 15 iterações)
         for turn in range(15):
             print(f" [>] Iniciando turno {turn + 1} com o cérebro Gemini...")
+            if turn > 0:
+                print(" [>] Resfriando a API por 3 segundos para evitar rate limit (429)...")
+                time.sleep(3.0)
             try:
                 response = self.call_gemini(contents, system_instruction, api_key)
             except Exception as e: