Update project files

src/sidebarProvider.ts

@@ -25,6 +25,7 @@ import { handleBrainMessage } from './sidebar/brainHandlers';
 import { handleChronicleMessage } from './sidebar/chronicleHandlers';
 import { handleAgentMessage } from './sidebar/agentHandlers';
 import { getOrCreateAgentEntry, resolveScopeForAgent } from './skills/agentKnowledgeMap';
+import { clearBrainTokenIndex } from './retrieval/brainIndex';
 import { estimateModelParamsB } from './lib/contextManager';
 import { loadExternalSkills, formatSkillsAsPromptBlock } from './skills/externalSkillLoader';
 import {
@@ -836,9 +837,15 @@ export class SidebarChatProvider implements vscode.WebviewViewProvider, BridgeIn
             localResourceRoots: [this._extensionUri]
         };
 
+        // Webview event listeners must be disposed — otherwise each re-init of the
+        // view leaks a listener (and its captured `this`). We collect every
+        // listener disposable here, dispose them when the view itself is disposed,
+        // and also register them with the extension subscriptions as a backstop.
+        const viewDisposables: vscode.Disposable[] = [];
+
         // [State Persistence Fix] 사이드바가 다시 보여질 때 세팅값 자동 복원
         let _lastVisibilityRefresh = 0;
-        webviewView.onDidChangeVisibility(() => {
+        viewDisposables.push(webviewView.onDidChangeVisibility(() => {
             if (!webviewView.visible) return;
             const now = Date.now();
             // 5초 이내에 이미 갱신했으면 건너뜀
@@ -850,7 +857,7 @@ export class SidebarChatProvider implements vscode.WebviewViewProvider, BridgeIn
             void this._sendBrainProfiles();
             void this._sendAgentsList();
             void this._sendReadyStatus();
-        });
+        }));
 
         webviewView.webview.html = this._getHtml(webviewView.webview);
         this._agent.setWebview(webviewView.webview);
@@ -858,7 +865,7 @@ export class SidebarChatProvider implements vscode.WebviewViewProvider, BridgeIn
         void this._restoreActiveSessionIntoView();
         void this._sendReadyStatus();
 
-        webviewView.webview.onDidReceiveMessage(async (data) => {
+        viewDisposables.push(webviewView.webview.onDidReceiveMessage(async (data) => {
             // dispatch root 진입 trace — "/benchmark 입력했는데 아무 응답 없음" 같은
             // 보고가 들어왔을 때 webview message가 정말 도착했는지부터 즉시 판별.
             const valuePreview = typeof data?.value === 'string'
@@ -870,7 +877,14 @@ export class SidebarChatProvider implements vscode.WebviewViewProvider, BridgeIn
             if (await handleChronicleMessage(this, data)) return;
             if (await handleAgentMessage(this, data)) return;
             logInfo(`Unhandled sidebar message: ${data?.type}`);
+        }));
+
+        webviewView.onDidDispose(() => {
+            for (const d of viewDisposables.splice(0)) {
+                try { d.dispose(); } catch { /* already disposed */ }
+            }
         });
+        this._context.subscriptions.push(...viewDisposables);
     }
 
     _currentSessionId: string | null = null;
@@ -1260,6 +1274,11 @@ export class SidebarChatProvider implements vscode.WebviewViewProvider, BridgeIn
 
         await vscode.workspace.getConfiguration('g1nation').update('activeBrainId', nextProfile.id, vscode.ConfigurationTarget.Global);
         this._currentSessionBrainId = nextProfile.id;
+        // Drop the in-memory brain token index — the active brain (and its path)
+        // may now differ, and the index's `_states` Map is otherwise never cleared.
+        // The persisted on-disk index is left intact and reloads lazily on the
+        // next query for whichever brain is now active.
+        clearBrainTokenIndex();
         await this._sendBrainProfiles();
         await this._sendBrainStatus();