diff --git a/pipeline_service/human_task_capability.py b/pipeline_service/human_task_capability.py
index 22d957f..8e66f44 100644
--- a/pipeline_service/human_task_capability.py
+++ b/pipeline_service/human_task_capability.py
@@ -32,6 +32,20 @@ T_BUG_ACCEPT = "bug_acceptance"
 T_REQ_CONFIRM = "requirement_confirmation"
 T_DESIGN_CONFIRM = "design_confirmation"
 
+# ══════════════ 待办提供者注册表（2026-09-10 工单模块接入） ══════════════
+# 平台待办是平台级机制：各部分（产线任务/冒泡问题/工单/…）产生待办，
+# 本模块聚合。外部模块通过 register_todo_provider 注入，不跨模块读表。
+# provider 签名: async fn(user_id, roles, limit) -> [todo dict]
+#   todo dict 须含 source（弹窗按它分流详情端点）+ title/description/created_at。
+_TODO_PROVIDERS = []
+
+
+def register_todo_provider(fn):
+    """注册待办提供者（幂等：同函数不重复注册）。"""
+    if callable(fn) and fn not in _TODO_PROVIDERS:
+        _TODO_PROVIDERS.append(fn)
+        logger.info("todo provider registered: %s", getattr(fn, '__module__', '?'))
+
 
 def _get_db():
     db = DBPools()
@@ -401,7 +415,20 @@ async def count_my_human_tasks(user_id, project_id=None):
 
         n_q = getattr(q[0], 'c', 0) if q else 0
         n_ht = getattr(ht[0], 'c', 0) if ht else 0
-        return int(n_q) + int(n_ht)
+        _roles_cache = roles
+    total = int(n_q) + int(n_ht)
+
+    # 外部待办提供者（工单等，2026-09-10）：仅全局角标（project_id 空）计入——
+    # 工单不属于任何产线项目，项目内角标不混入。坏 provider 不拖垮计数。
+    if not project_id:
+        for fn in list(_TODO_PROVIDERS):
+            try:
+                extra = await fn(user_id, _roles_cache, 100)
+                total += len(extra or [])
+            except Exception as e:
+                logger.warning("todo provider count %s failed: %s",
+                               getattr(fn, '__module__', '?'), str(e)[:160])
+    return total
 
 
 async def list_my_human_todos(user_id, limit=100):
@@ -442,8 +469,21 @@ async def list_my_human_todos(user_id, limit=100):
             d = _rec_to_dict(r)
             d['source'] = 'question'
             todos.append(d)
-        todos.sort(key=lambda x: str(x.get('created_at') or ''), reverse=True)
-        return todos[:limit]
+        _roles_cache = roles
+
+    # 外部待办提供者（工单等，2026-09-10）：在 db context 外调用，provider 自开连接。
+    # 逐个 try/except——坏 provider 不拖垮整个待办列表（平台级机制必须健壮）。
+    for fn in list(_TODO_PROVIDERS):
+        try:
+            extra = await fn(user_id, _roles_cache, limit)
+            for d in (extra or []):
+                todos.append(d)
+        except Exception as e:
+            logger.warning("todo provider %s failed: %s",
+                           getattr(fn, '__module__', '?'), str(e)[:160])
+
+    todos.sort(key=lambda x: str(x.get('created_at') or ''), reverse=True)
+    return todos[:limit]
 
 
 async def bug_accept(bug_id, accept, user_id, comment=None):