feat(agent): add credential refresh and unify learning tools

src/learning/orchestrator.ts

@@ -77,12 +77,12 @@ type TurnReviewInput = {
 export class LearningOrchestrator {
   private readonly activeReviews = new Set<string>();
   private readonly sessionLearningStateStore = new SessionLearningStateStore();
-  private readonly skillStore = new SkillStore();
 
   constructor(
     private readonly runtime: OpencodeRuntimeAdapter,
     private readonly memoryStore: MemoryStore,
     private readonly transcriptStore: SessionTranscriptStore,
+    private readonly skillStore: SkillStore,
   ) {}
 
   async initialize() {