fix: removed use_websearch; this parameter was confusing Codex. It started using this to prompt the external model to perform searches! web-search is enabled by Claude / Codex etc by default and the external agent can ask claude to search on its behalf.

tools/thinkdeep.py

@@ -90,11 +90,6 @@ class ThinkDeepWorkflowRequest(WorkflowRequest):
         default=None,
         description="Depth: minimal/low/medium/high/max. Default 'high'.",
     )
-    use_websearch: Optional[bool] = Field(
-        default=None,
-        description="Enable web search for docs, brainstorming, architecture, solutions.",
-    )
-
     # Context files and investigation scope
     problem_context: Optional[str] = Field(
         default=None,
@@ -200,11 +195,6 @@ class ThinkDeepTool(WorkflowTool):
         except AttributeError:
             self.stored_request_params["thinking_mode"] = None
 
-        try:
-            self.stored_request_params["use_websearch"] = request.use_websearch
-        except AttributeError:
-            self.stored_request_params["use_websearch"] = None
-
         # Add thinking-specific context to response
         response_data.update(
             {
@@ -349,16 +339,6 @@ but also acknowledge strong insights and valid conclusions.
             pass
         return super().get_request_thinking_mode(request)
 
-    def get_request_use_websearch(self, request) -> bool:
-        """Use stored use_websearch from initial request."""
-        try:
-            stored_params = self.stored_request_params
-            if stored_params and stored_params.get("use_websearch") is not None:
-                return stored_params["use_websearch"]
-        except AttributeError:
-            pass
-        return super().get_request_use_websearch(request)
-
     def _get_problem_context(self, request) -> str:
         """Get problem context from request. Override for custom context handling."""
         try: