feat: respect tool policy, oai execute deferred tools

backend/src/agents/expert.py

@@ -40,13 +40,15 @@ async def chat_completion_loop(app, run, messages, model_id=None, tools=None):
 
             run.emit_event('inference', msg)
 
-        if execute_tools and tool_calls:
         for tc in tool_calls:
             tool = next((t for t in tools if t.name == tc.tool_name), None)
             if tool is None:
                 print(f"[agent] unknown tool name: {tc.tool_name}")
                 continue
+            if execute_tools:
                 tc.result = await tool.execute_async(**tc.arguments)
+            else:
+                tc.tool = tool
 
         # By default, end if there's no calls
         else: break
@@ -79,9 +81,7 @@ class ExpertAgent(Agent):
         # Provide the agent's default tools unless the run supplies its own.
         # Only agent-provided tools are executable within the loop.
         tools = run.input.get("tools", [])
-        if tools:
+        if run.input.get('tool_policy') != 'caller':
-            run.input['tool_policy'] = 'ignore'
-        else:
             tools += self.get_tools(run)
 
         print("Final tool object: " + repr(run.input.get('tools', [])))

backend/src/server/openai.py

@@ -49,17 +49,17 @@ def route_tool_call(call, tool_names):
     return deferred
 
 
-async def execute_deferred(function_call):
+async def execute_deferred(tc):
     """Execute a deferred (native) tool call.
 
-    The output must be stored on the call itself (``function_call.result``).
+    The output must be stored on the call itself (``tc.result``).
 
-    TODO: resolve the ToolSpec for ``function_call.tool_name`` from the
+    TODO: resolve the ToolSpec for ``tc.tool_name`` from the
     agent's native tools and dispatch through the existing tool
     infrastructure (ToolSpec.execute_async), recording the result or error on
     the call. Deferred execution needs more design work; stubbed for now.
     """
-    pass
+    tc.result = await tc.tool.execute_async(**tc.arguments)
 
 
 def attach_run_handlers(run, tool_names):