fix: S1 handler display_name + S2 import 移顶部 + W1 注释

- S1: vp_name 硬编码字典 → handler.display_name 属性
- S2: ticker/spawner 中 TaskTypeRegistry 局部 import → 移文件顶部
- W1: TaskHandler executor verify 失败不调 on_failure 加注释说明

src/daemon/base_task_handler.py

@@ -41,6 +41,7 @@ class BaseTaskHandler:
     
     task_type: str = ""
     virtual_project: Optional[str] = None
+    display_name: str = ""  # 中文展示名（ticker 扫描日志用）
     
     # === 子类必须实现 ===
     

src/daemon/mail_handler.py

@@ -20,6 +20,7 @@ class MailHandler(BaseTaskHandler):
 
     task_type = "mail"
     virtual_project = "_mail"
+    display_name = "飞鸽传书"
 
     def target_success_status(self) -> str:
         return "done"

src/daemon/spawner.py

@@ -19,6 +19,8 @@ from src.blackboard.db import get_connection
 
 logger = logging.getLogger("moziplus-v2.spawner")
 
+from src.daemon.task_type_registry import TaskTypeRegistry
+
 
 # ── Prompt 模板 ──
 
@@ -279,7 +281,6 @@ class AgentSpawner:
                 project_id, agent_id)
 
         # handler 路径：Task/Mail/Toolchain 用各自的 PromptSection 构建
-        from src.daemon.task_type_registry import TaskTypeRegistry
         handler = TaskTypeRegistry.get_by_project(project_id)
         if handler:
             from src.daemon.prompt_composer import PromptContext
@@ -343,7 +344,6 @@ class AgentSpawner:
         """构建 API 回写操作指令(BootstrapBuilder 模式下补充)"""
         # handler 项目（_mail/_toolchain）的 success_status 由 PromptSection 处理
         # 这里只处理无 handler 的项目（normal task）
-        from src.daemon.task_type_registry import TaskTypeRegistry
         handler = TaskTypeRegistry.get_by_project(project_id)
         if handler:
             success_status = '"done"' if handler.target_success_status == "done" else '"review"'

src/daemon/task_handler.py

@@ -182,6 +182,7 @@ class TaskHandler(BaseTaskHandler):
 
     task_type: str = "task"
     virtual_project: Optional[str] = None
+    display_name = "黑板任务"
 
     # === 子类实现 ===
 
@@ -229,6 +230,9 @@ class TaskHandler(BaseTaskHandler):
                 logger.info(
                     "Task %s: verify not passed (%s), leaving working",
                     task_id, result.reason)
+                # NOTE: executor verify 不通过时不标 failed，留 working。
+                # 原因：Agent 可能还在产出中（幻觉门控的后续轮次），
+                # ticker 超时检查会兜底处理。不调 on_failure 避免误判。
 
     def target_success_status(self) -> str:
         """task 类型验证通过后进 review。"""

src/daemon/ticker.py

@@ -19,6 +19,8 @@ from typing import Any, Callable, Coroutine, Dict, List, Optional
 
 from dataclasses import dataclass, field as dc_field
 
+from src.daemon.task_type_registry import TaskTypeRegistry
+
 from src.blackboard.operations import Blackboard
 from src.blackboard.db import get_connection
 from src.daemon.spawner import AgentBusyError
@@ -216,12 +218,12 @@ class Ticker:
                 results["projects"]["_general"] = {"error": str(e)}
 
         # 虚拟项目：从注册表自动发现 + _general 硬编码
-        from src.daemon.task_type_registry import TaskTypeRegistry
         for vp in TaskTypeRegistry.virtual_projects():
             vp_db = Path(self.registry.root) / vp / "blackboard.db"
             if vp_db.exists() and vp not in active_projects:
                 try:
-                    vp_name = {"_mail": "飞鸽传书", "_toolchain": "工具链事件"}.get(vp, vp)
+                    vp_handler = TaskTypeRegistry.get_by_project(vp)
+                    vp_name = vp_handler.display_name if vp_handler and vp_handler.display_name else vp
                     pr = await self._tick_project(vp, {
                         "id": vp, "name": vp_name,
                         "status": "active", "source": "virtual",
@@ -953,7 +955,6 @@ Parent Task ID: {parent_task.id}
         # 重置到 pending 时清空 assignee（避免残留导致重复路由到同一 Agent）
         # handler 虚拟项目（_mail 等）的 assignee 是收件人，永不清空
         if new_status == "pending":
-            from src.daemon.task_type_registry import TaskTypeRegistry
             handler = TaskTypeRegistry.get_by_project(self._current_project_id)
             if handler:
                 conn.execute(
@@ -1031,7 +1032,6 @@ Parent Task ID: {parent_task.id}
                     conn = get_connection(db_path)
                     try:
                         # [Step 5] handler 项目已在 dispatcher 中标 working，跳过 claimed
-                        from src.daemon.task_type_registry import TaskTypeRegistry
                         handler = TaskTypeRegistry.get_by_project(project_id)
                         if handler:
                             conn.execute(
@@ -1308,7 +1308,6 @@ Parent Task ID: {parent_task.id}
                                 project_id: str) -> List[str]:
         """扫描 review 状态任务，检查是否有产出，调度审查 Agent"""
         # handler 项目（_mail/_toolchain）不走 review 流程
-        from src.daemon.task_type_registry import TaskTypeRegistry
         handler = TaskTypeRegistry.get_by_project(project_id)
         if handler:
             return []
@@ -1480,7 +1479,6 @@ Parent Task ID: {parent_task.id}
                 elapsed = (now - start_time).total_seconds() / 60.0
                 if elapsed > timeout_minutes:
                     # [Step 5] handler 幻觉门控兜底：check_completion 通过 + working → done
-                    from src.daemon.task_type_registry import TaskTypeRegistry
                     handler = TaskTypeRegistry.get_by_project(self._current_project_id)
                     if handler and handler.check_completion(task.id, db_path):
                             conn = get_connection(db_path)
@@ -1631,7 +1629,6 @@ Parent Task ID: {parent_task.id}
                     project_id / "blackboard.db"
 
         # 虚拟项目：_general + 注册表自动发现
-        from src.daemon.task_type_registry import TaskTypeRegistry
         virtual_ids = ["_general"] + TaskTypeRegistry.virtual_projects()
         for virtual_id in virtual_ids:
             virtual_db = Path(self.registry.root) / \

src/daemon/toolchain_handler.py

@@ -121,6 +121,7 @@ class ToolchainHandler(BaseTaskHandler):
 
     task_type = "toolchain"
     virtual_project = "_toolchain"
+    display_name = "工具链事件"
 
     def target_success_status(self) -> str:
         return "done"