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

docs/architecture-overview.md

@@ -653,8 +653,8 @@ flowchart LR
 
 | 指标 | 当前值 |
 |---|---:|
-| Python 模块 | 810 |
-| 内部导入边 | 6,560 |
+| Python 模块 | 811 |
+| 内部导入边 | 6,572 |
 | 非平凡 SCC | 1（仅隔离的 TMDB 移植包） |
 | Module Contract V2 spec | 212（其中 211 个进入 `run_module` 观察面） |
 | Event Contract | 53 |
@@ -705,6 +705,7 @@ flowchart LR
 | [`docs/rules/10-data-and-persistent.md`](rules/10-data-and-persistent.md) | 数据模型、迁移与缓存规范 |
 | [`docs/subscribe-lifecycle.md`](subscribe-lifecycle.md) | 订阅生命周期详解 |
 | [`docs/mcp-api.md`](mcp-api.md) | MCP 工具端点说明 |
+| [`docs/v3t-runtime-governance.md`](v3t-runtime-governance.md) | V3/V3t 运行依赖、故障恢复、GIL 可观测性与兼容退场门禁 |
 | [`docs/refactor/backend-architecture-governance.md`](refactor/backend-architecture-governance.md) | 分阶段架构治理、边界门禁与迁移验收 |
 | [`docs/refactor/backend-module-refactor-compatibility.md`](refactor/backend-module-refactor-compatibility.md) | 模块迁移与插件兼容层实施矩阵 |
 | [`docs/refactor/backend-architecture-next-stage.md`](refactor/backend-architecture-next-stage.md) | 对标优秀 Python 后端后的二阶段任务、验收与回滚方案 |