diff --git a/src/daemon/spawner.py b/src/daemon/spawner.py
index 544829a..d76eaf1 100644
--- a/src/daemon/spawner.py
+++ b/src/daemon/spawner.py
@@ -270,9 +270,12 @@ class AgentSpawner:
         # 尝试 BootstrapBuilder
         if self.bootstrap_builder and task is not None:
             try:
+                # v3.1: spawn_type 映射到角色 (executor→executor, review→reviewer, discussion→planner)
+                role_map = {"executor": "executor", "review": "reviewer", "discussion": "planner"}
+                role = role_map.get(spawn_type, "executor")
                 bootstrap_prompt = self.bootstrap_builder.build_for_task(
                     task=task,
-                    role="executor",
+                    role=role,
                     project_config=project_config,
                 )
                 # mail 任务用精简模板,不走 BootstrapBuilder