feat(bat): 完善工作流调度与 dashboard RPC

补全资源拉取、解析、翻译、重打包和本地化发布命令，支持单次、限定次数与周期调度。移除 TUI 计划并通过 schedule.* RPC 暴露给 bat-api dashboard。

Closes #43

web/admin/README.md

@@ -3,8 +3,9 @@
 This directory is reserved for the future player-facing `bat-api` management
 panel. The current backend exposes a non-mutating index at `GET /admin/` that
 returns JSON links for health, readiness, bootstrap, release, resources, and
-OpenAPI. Mutating `/admin/control/{action}` routes are protected by the
-configured admin token and forward only the documented Rust `bat` allowlist.
+OpenAPI. `GET /admin/schedules` and mutating
+`/admin/control/schedule-{add,update,remove,run}` routes are protected by the
+configured admin token and forward the Rust-owned schedule contract.
 
 The production panel must reuse the same HTTP authentication, rate limiting,
 access logging, reverse-proxy handling, and no-store dynamic response policy as