Critical: fix bug in new subagent tool call budget to not be session-level but tool call loop level

run_agent.py

@@ -2879,13 +2879,15 @@ class AIAgent:
         # Generate unique task_id if not provided to isolate VMs between concurrent tasks
         effective_task_id = task_id or str(uuid.uuid4())
         
-        # Reset retry counters at the start of each conversation to prevent state leakage
+        # Reset retry counters and iteration budget at the start of each turn
+        # so subagent usage from a previous turn doesn't eat into the next one.
         self._invalid_tool_retries = 0
         self._invalid_json_retries = 0
         self._empty_content_retries = 0
         self._last_content_with_tools = None
         self._turns_since_memory = 0
         self._iters_since_skill = 0
+        self.iteration_budget = IterationBudget(self.max_iterations)
         
         # Initialize conversation (copy to avoid mutating the caller's list)
         messages = list(conversation_history) if conversation_history else []
@@ -4044,7 +4046,12 @@ class AIAgent:
                     final_response = f"I apologize, but I encountered repeated errors: {error_msg}"
                     break
         
-        if api_call_count >= self.max_iterations and final_response is None:
+        if final_response is None and (
+            api_call_count >= self.max_iterations
+            or self.iteration_budget.remaining <= 0
+        ):
+            if self.iteration_budget.remaining <= 0 and not self.quiet_mode:
+                print(f"\n⚠️  Session iteration budget exhausted ({self.iteration_budget.used}/{self.iteration_budget.max_total} used, including subagents)")
             final_response = self._handle_max_iterations(messages, api_call_count)
         
         # Determine if conversation completed successfully