feat(02-04): add shared skill symlink helper and wire orchestration-to-worker pipeline

- Add ManagedSkillRef type to adapter-utils for cross-package use
- Add createManagedSkillSymlinks() with Windows junction support (D-13)
- Add managedSkills field to worker RunJob and connector config
- Add listRuntimeSkillEntries dependency to orchestration service
- Wire SkillService lazy init in service-graph for runtime skill resolution
- Include prerequisite skill system files from plans 02-01/02-02

packages/adapter-utils/src/index.ts

@@ -21,6 +21,7 @@ export type {
   StdoutLineParser,
   CLIAdapterModule,
   CreateConfigValues,
+  ManagedSkillRef,
 } from "./types.js";
 export {
   REDACTED_HOME_PATH_USER,