feat(task): route validation status to review states

app-instance/backend/beaver/tasks/service.py

@@ -110,10 +110,30 @@ class TaskService:
         self._event(task, "run_completed", run_id=run_id, payload={"skill_names": skill_names or []})
         return task
 
-    def record_validation(self, task_id: str, run_id: str, validation: ValidationResult) -> TaskRecord:
+    def record_validation(
+        self,
+        task_id: str,
+        run_id: str,
+        validation: ValidationResult,
+        *,
+        final_attempt: bool = True,
+        has_usable_answer: bool = True,
+    ) -> TaskRecord:
         task = self._require(task_id)
-        task.status = "awaiting_feedback"
-        task.updated_at = self._now()
+        now = self._now()
+        if validation.status == "accepted":
+            task.status = "awaiting_feedback"
+        elif validation.status in {"insufficient_evidence", "validator_error"}:
+            task.status = "needs_review"
+        elif validation.status == "rejected" and not final_attempt:
+            task.status = "needs_revision"
+        elif validation.status == "rejected" and has_usable_answer:
+            task.status = "needs_review"
+        else:
+            task.status = "failed"
+            task.closed_at = now
+            task.close_reason = "automatic validation rejected the final attempt"
+        task.updated_at = now
         task.validation_result = validation.to_dict()
         self.store.upsert_task(task)
         self._event(task, "validated", run_id=run_id, payload=validation.to_dict())