feat(deepseek): upload plugin package metadata (#2916)

* feat(deepseek): upload plugin package metadata

* feat(deepseek): apply metadata review feedback

* docs(deepseek): specify request wire extensions

* docs(notes): record inventory cache benchmark

* docs(site): keep DeepSeek wire spec repository-only

website/docs.ts

@@ -328,6 +328,8 @@ const subsystemsReference = subsystemGroups.flatMap(([rootSection, enSection, fi
 ))
 
 const reference = [
+  // `docs/deepseek-llm-api-wire-extensions.md` is a repository-only provider protocol reference.
+  // Projected links intentionally resolve to its GitHub source instead of a public site route.
   ...pairedPages(([
     ['docs/architecture.md', 'reference/index.md', '架构', 'Architecture', 0],
   ] as const).map(([source, route, rootLabel, enLabel, order]): PairedPage => ({