diff --git a/app/runtime/extensions/plugin/catalog.py b/app/runtime/extensions/plugin/catalog.py
index 5a2739bcb..f08884366 100644
--- a/app/runtime/extensions/plugin/catalog.py
+++ b/app/runtime/extensions/plugin/catalog.py
@@ -62,7 +62,7 @@ class PluginCatalogFacade:
         if not plugin_market:
             return []
         markets = split_plugin_market_repo_urls(plugin_market)
-        result = self._market_catalog().collect(
+        result: list[Plugin] = self._market_catalog().collect(
             markets=markets,
             compatible_flags=self._system().compatible_flags(
                 get_runtime_setting('VERSION_FLAG')
@@ -261,7 +261,8 @@ class PluginCatalogFacade:
         force: bool = False,
     ) -> list[Plugin]:
         """读取并映射指定插件市场。"""
-        return self._market_catalog().load(market, package_version, force)
+        plugins: list[Plugin] = self._market_catalog().load(market, package_version, force)
+        return plugins
 
     async def async_online(
         self,
@@ -275,7 +276,7 @@ class PluginCatalogFacade:
                 progress_callback(value=100, text="未配置插件市场，跳过刷新")
             return []
         markets = split_plugin_market_repo_urls(plugin_market)
-        result = await self._market_catalog().async_collect(
+        result: list[Plugin] = await self._market_catalog().async_collect(
             markets=markets,
             compatible_flags=self._system().compatible_flags(
                 get_runtime_setting('VERSION_FLAG')
@@ -311,17 +312,19 @@ class PluginCatalogFacade:
         force: bool = False,
     ) -> list[Plugin]:
         """异步读取并映射指定插件市场。"""
-        return await self._market_catalog().async_load(
+        plugins: list[Plugin] = await self._market_catalog().async_load(
             market,
             package_version,
             force,
         )
+        return plugins
 
     def merge(self, higher: list[Plugin], base: list[Plugin]) -> list[Plugin]:
         """合并不同代际插件目录并保留市场优先级。"""
         plugin_market = get_runtime_setting('PLUGIN_MARKET')
         markets = split_plugin_market_repo_urls(plugin_market)
-        return self._market_catalog().merge(higher, base, markets)
+        plugins: list[Plugin] = self._market_catalog().merge(higher, base, markets)
+        return plugins
 
     def _safe_state(self, plugin_id: str, plugin: Any) -> bool:
         """读取插件状态，单个插件异常不阻断整个本地目录。"""
diff --git a/docs/code-quality.md b/docs/code-quality.md
index f2f4feeaf..6bee94d6c 100644
--- a/docs/code-quality.md
+++ b/docs/code-quality.md
@@ -75,7 +75,7 @@ uv run --locked --no-sync python scripts/architecture/complexity.py
 回调和返回值类型；全仓错误计数为零并不保证单独纳入 strict frontier 后也为零。
 
 2026-10-16 开始逐文件清理类型债务，`app/domain/title.py` 通过局部可空类型声明保留
-既有搜索解析行为，并纳入严格清单；当前清单共 106 个文件（105 个生产文件和 1 个脚本）。
+既有搜索解析行为，并纳入严格清单；当前清单共 107 个文件（106 个生产文件和 1 个脚本）。
 每个治理提交聚焦一个生产文件及其必要测试、门禁配置、真实下降基线和指标文档。
 验收同时检查完整严格清单与全宿主 Linux 分析，避免 `follow_imports = skip` 隐藏依赖
 签名冲突；不通过忽略诊断或放宽类型合同接受回退。最新文件清单以 `mypy.ini` 为准，
diff --git a/docs/refactor/optimization-checklist.md b/docs/refactor/optimization-checklist.md
index 273b52668..02fcef22c 100644
--- a/docs/refactor/optimization-checklist.md
+++ b/docs/refactor/optimization-checklist.md
@@ -106,9 +106,9 @@ ARCH-201 至 ARCH-204 均达到实现、验证、提交、推送和远端门禁
 | Model/Oper 事务债务 | 0 | 自建 Session、自动事务装饰器、直接 commit/rollback 等基线均为零 |
 | Module Contract | 215 specs / 211 methods / 263 calls | 动态方法名为 0；分类事实富化通过显式合同进入插件调度，旧 YAML 分类方法已移除；download 新增 custom_words 可选参数，旧 provider 签名通过显式合同兼容 |
 | Event Contract | 53 | 均已有 payload model，但当前全部是 diagnostic enforcement |
-| Python 源码量 | 372,319 行 | 本次重新扫描物理行数，排除 `app/plugins/**`；74 个文件超过 1,000 行，12 个超过 2,000 行；源码尺寸仅作观察 |
+| Python 源码量 | 372,322 行 | 本次重新扫描物理行数，排除 `app/plugins/**`；74 个文件超过 1,000 行，12 个超过 2,000 行；源码尺寸仅作观察 |
 | 长方法 | 309 个超过 80 行 | 本次 AST 扫描排除 `app/plugins/**`；61 个超过 150 行，17 个超过 250 行；新增函数仍受 C901/嵌套深度门禁约束 |
-| 全量 mypy 历史债务 | 8,806 / 448 文件 | 通知排版补齐 Slack 消息块类型，历史债务减少 2 项；工作流资源过滤改用领域对象调用过滤链，恢复的节点输出在消费前归一化，并收紧可空资源列表的类型低水位；消息媒体交互类型债务已清零，canonical Facade 与 endpoint 类型边界已补齐，低水位只允许继续下降；微信 ClawBot 入站 item_list 媒体解析改为按子项键名分派后，类型错误减少 4 项；站点解析器分享率改用浮点初值，类型错误减少 20 项；本次下载与文件安全修复再减少 3 项；Transmission 进度回退值归一化再减少 2 项，逐文件逐错误码无增长 |
+| 全量 mypy 历史债务 | 8,801 / 447 文件 | 通知排版补齐 Slack 消息块类型，历史债务减少 2 项；工作流资源过滤改用领域对象调用过滤链，恢复的节点输出在消费前归一化，并收紧可空资源列表的类型低水位；消息媒体交互类型债务已清零，canonical Facade 与 endpoint 类型边界已补齐，低水位只允许继续下降；微信 ClawBot 入站 item_list 媒体解析改为按子项键名分派后，类型错误减少 4 项；站点解析器分享率改用浮点初值，类型错误减少 20 项；本次下载与文件安全修复再减少 3 项；Transmission 进度回退值归一化再减少 2 项，逐文件逐错误码无增长 |
 | Ruff 历史诊断 | 98 | 低水位门禁通过，但规则集只覆盖 `E4/E7/E9/F/I` |
 | 覆盖率固定基线 | Application 80.00%，Domain 80.00% | Chain、Runtime、Agent、Adapter、Startup 未进入包级覆盖率门禁 |
 
diff --git a/mypy.ini b/mypy.ini
index 7241fa2aa..80f62208e 100644
--- a/mypy.ini
+++ b/mypy.ini
@@ -54,6 +54,7 @@ files =
     app/runtime/extensions/module/quality.py,
     app/runtime/extensions/plugin/admission.py,
     app/runtime/extensions/plugin/access.py,
+    app/runtime/extensions/plugin/catalog.py,
     app/runtime/extensions/plugin/clone.py,
     app/runtime/extensions/plugin/lifecycle.py,
     app/runtime/extensions/plugin/metadata.py,
diff --git a/tests/fixtures/architecture/mypy-baseline.json b/tests/fixtures/architecture/mypy-baseline.json
index 5ec684e1d..c5aad4980 100644
--- a/tests/fixtures/architecture/mypy-baseline.json
+++ b/tests/fixtures/architecture/mypy-baseline.json
@@ -2297,9 +2297,6 @@
     "attr-defined": 1,
     "type-arg": 4
   },
-  "app/runtime/extensions/plugin/catalog.py": {
-    "no-any-return": 5
-  },
   "app/runtime/extensions/plugin/manager.py": {
     "assignment": 4,
     "attr-defined": 1,