diff --git a/src/daemon/ticker.py b/src/daemon/ticker.py
index 83fc5ee..f4eaf4b 100644
--- a/src/daemon/ticker.py
+++ b/src/daemon/ticker.py
@@ -1456,11 +1456,20 @@ Parent Task ID: {parent_task.id}
                 init_db(db_path)
                 self._initialized_dbs.add(db_key)
 
-            recovered, noop_count = self._recover_project(db_path, NON_TERMINAL)
-            if recovered:
-                recovery_report["projects"][project_id] = recovered
-                recovery_report["total_recovered"] += len(recovered)
-            recovery_report["total_noop"] += noop_count
+            # #06: 临时设置 _current_project_id，确保 _transition_status
+            # 对 _mail 项目不清空 assignee（L839 特殊分支依赖此字段）
+            old_pid = self._current_project_id
+            self._current_project_id = project_id
+            try:
+                recovered, noop_count = self._recover_project(db_path, NON_TERMINAL)
+                if recovered:
+                    recovery_report["projects"][project_id] = recovered
+                    recovery_report["total_recovered"] += len(recovered)
+                recovery_report["total_noop"] += noop_count
+            except Exception:
+                logger.exception("Startup recovery failed for project %s", project_id)
+            finally:
+                self._current_project_id = old_pid
 
         if recovery_report["total_recovered"] > 0:
             logger.info("Startup recovery: %d tasks recovered across %d projects",