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

src/main/orchestrator/worker.ts

@@ -42,6 +42,7 @@ interface RunJob {
   sessionParams: Record<string, unknown> | null;
   systemPrompt: string | null;
   trigger: string | null;
+  managedSkills: Array<{ runtimeName: string; sourcePath: string }>;
 }
 
 type ParentMessage =
@@ -95,6 +96,7 @@ function buildConnectorExecutionConfig(job: RunJob, sanitizedEnv: Record<string,
     cwd: job.workspacePath ?? process.cwd(),
     model: job.model,
     env: sanitizedEnv,
+    managedSkills: job.managedSkills,
   };
 
   switch (job.connectorId) {