Merge pull request #219 from hud-evals/g/codex-support

Add support for `shell` and `agent_patch` and generally reorganize openai agent

Author: pimpale

hud/agents/base.py

@@ -148,6 +148,7 @@ async def initialize(self, task: str | Task | None = None) -> None:
         try:
             await self.mcp_client.initialize()
         except Exception as e:
+            self.console.error_log(f"Failed to initialize MCP client: {e}")
             self._handle_connection_error(e)
 
         # If task is provided, apply agent_config and add lifecycle tools
@@ -201,6 +202,15 @@ async def initialize(self, task: str | Task | None = None) -> None:
                 continue
             self._available_tools.append(tool)
 
+        # Validate required tools are present
+        available_tool_names = {t.name for t in self._available_tools}
+        missing_tools = [tool for tool in self.required_tools if tool not in available_tool_names]
+        if missing_tools:
+            raise ValueError(
+                f"Required tools are missing: {missing_tools}. "
+                f"Available tools: {sorted(available_tool_names)}"
+            )
+
         self.console.info(
             f"Agent initialized with {len(self.get_available_tools())} tools: {', '.join([t.name for t in self.get_available_tools()])}"  # noqa: E501
         )