feat: 新增 Python 3.14t 自由线程镜像 (#6434)

* fix(resource): select free-threaded extension ABI

* chore(deps): require moviepilot-rust 0.2.9

* perf: add free-threaded runtime comparison

* feat: add free-threaded runtime profile

* chore(deps): require moviepilot-rust 0.3.0

* test: isolate system endpoint import graph

* fix(docker): preserve runtime profile during recovery

* feat(runtime): expose active GIL state

* feat(plugin): log GIL fallback attribution

* test: refresh runtime observability dependency baseline

* fix(plugin): validate the active uv runtime profile

* test(runtime): expand free-threaded benchmark evidence

* docs(runtime): define v3t governance gates

* test(runtime): separate rust benchmark modes

* docs: sync free-threaded architecture baseline

* perf: add PostgreSQL driver comparison

* docs(runtime): record final free-threaded evidence

* fix(runtime): converge dual-profile dependency verification

* fix(runtime): scope Python 3.14 warning filter

* fix(runtime): match actual oss2 syntax warning

* docs(runtime): refresh free-threaded benchmark evidence

* test(architecture): refresh runtime dependency baseline

* ci: skip unused Trivy Java database

* build: exclude local verification artifacts

* docs(runtime): refresh PostgreSQL driver benchmarks

* docs(runtime): record plugin restore acceptance

* docs(runtime): record amd64 candidate acceptance

* ci: pin beta image publisher action

* test(architecture): merge runtime dependency baseline

* feat(runtime): expose Python GIL status

* docs(runtime): document Python runtime status fields

tests/test_plugin_mutation_admission.py

@@ -189,6 +189,35 @@ async def test_quiesce_timeout_retains_admitted_owner_and_nested_reload(
     assert manager.finalize_plugins() is True
 
 
+def test_reload_attributes_gil_transition_to_plugin(
+    plugin_manager: PluginManager,
+    monkeypatch,
+) -> None:
+    """运行期插件加载导致 GIL 退化时应记录插件归因。"""
+    states = iter((False, True))
+    plugin_manager._plugin_lifecycle.reload = MagicMock(
+        return_value=PluginRuntimeStatus.ACTIVE
+    )
+    warning = MagicMock()
+    monkeypatch.setattr(
+        "app.runtime.extensions.plugin_manager.is_free_threaded_runtime",
+        lambda: True,
+    )
+    monkeypatch.setattr(
+        "app.runtime.extensions.plugin_manager.is_gil_enabled",
+        lambda: next(states),
+    )
+    monkeypatch.setattr(
+        "app.runtime.extensions.plugin_manager.logger.warning",
+        warning,
+    )
+
+    assert plugin_manager.reload_plugin("DemoPlugin") is PluginRuntimeStatus.ACTIVE
+
+    warning.assert_called_once()
+    assert warning.call_args.args[1] == "DemoPlugin"
+
+
 @pytest.mark.asyncio
 async def test_quiesce_inside_mutation_fails_without_sealing(
     plugin_manager: PluginManager,