重构会话管理，简化上下文存储逻辑

src/learning/orchestrator.ts

@@ -9,10 +9,7 @@ import { LearningStateStore } from "./stateStore.js";
 import { MemoryStore, type MemoryScope } from "../memory/store.js";
 import { type OpencodeRuntimeAdapter } from "../runtime/opencode.js";
 import { SkillStore } from "../skills/store.js";
-import {
-  buildToolSessionScopeKey,
-  ToolSessionContextStore,
-} from "../session/toolContextStore.js";
+import { ToolSessionContextStore } from "../session/toolContextStore.js";
 import {
   sanitizePersistentDocument,
   sanitizePersistentLine,
@@ -153,11 +150,6 @@ export class LearningOrchestrator {
         projectId: input.requestContext.projectId,
         projectKey: input.requestContext.projectKey,
         sessionId: gateSession.id,
-        sessionScopeKey: buildToolSessionScopeKey(
-          input.requestContext.actorKey,
-          input.requestContext.projectKey,
-          input.requestContext.clientSessionId,
-        ),
         traceId: input.requestContext.traceId,
       });
       await this.runtime.prompt(
@@ -247,11 +239,6 @@ export class LearningOrchestrator {
       projectId: input.requestContext.projectId,
       projectKey: input.requestContext.projectKey,
       sessionId: reviewSession.id,
-      sessionScopeKey: buildToolSessionScopeKey(
-        input.requestContext.actorKey,
-        input.requestContext.projectKey,
-        input.requestContext.clientSessionId,
-      ),
       traceId: input.requestContext.traceId,
     });
     try {