correctly reset relevant_files after changing None/empty list semanti…

…cs (#995)

core/agents/developer.py

@@ -305,7 +305,7 @@ async def ask_to_execute_task(self) -> bool:
 
         self.next_state.current_task["description"] = user_response.text
         self.next_state.current_task["run_always"] = True
-        self.next_state.relevant_files = []
+        self.next_state.relevant_files = None
         log.info(f"Task description updated to: {user_response.text}")
         # Orchestrator will rerun us with the new task description
         return False

core/agents/tech_lead.py

@@ -90,7 +90,7 @@ async def apply_project_template(self) -> Optional[str]:
         )
         # Saving template files will fill this in and we want it clear for the
         # first task.
-        self.next_state.relevant_files = []
+        self.next_state.relevant_files = None
         return summary
 
     async def ask_for_new_feature(self) -> AgentResponse:

core/db/models/project_state.py

@@ -254,7 +254,7 @@ def complete_task(self):
         self.set_current_task_status(TaskStatus.DONE)
         self.steps = []
         self.iterations = []
-        self.relevant_files = []
+        self.relevant_files = None
         self.modified_files = {}
         flag_modified(self, "tasks")