Update project files

src/extension.ts

@@ -36,7 +36,7 @@ import { AIService } from './core/services';
 import type { CompanyState } from './features/company';
 import { SettingsPanelProvider } from './features/settings/settingsPanelProvider';
 import { resolveScopeForAgent, openKnowledgeMapEditor } from './skills/agentKnowledgeMap';
-import { getBrainTokenIndex } from './retrieval';
+import { getBrainTokenIndex, clearBrainTokenIndex } from './retrieval';
 import { lessonTemplate, lessonSlug, parseLessonFrontmatter, normalizeLessonTitle, bumpLessonOccurrences } from './retrieval/lessonHelpers';
 import { retrieveScoped, buildContextBlock } from './skills/scopedBrainRetriever';
 
@@ -835,6 +835,16 @@ export async function activate(context: vscode.ExtensionContext) {
         vscode.workspace.onDidChangeConfiguration((e) => {
             if (e.affectsConfiguration('g1nation')) void settingsPanel.refresh();
         }),
+        // Drop the in-memory brain token index whenever the brain profiles or the
+        // active brain change — a profile edit can repoint `localBrainPath`, so a
+        // stale index keyed by the old path must not linger. The persisted on-disk
+        // index is untouched and reloads lazily on the next query.
+        vscode.workspace.onDidChangeConfiguration((e) => {
+            if (e.affectsConfiguration('g1nation.brainProfiles')
+                || e.affectsConfiguration('g1nation.activeBrainId')) {
+                clearBrainTokenIndex();
+            }
+        }),
         // Same for SecretStorage updates (token saved/cleared from elsewhere).
         context.secrets.onDidChange((e) => {
             if (e.key === TELEGRAM_TOKEN_SECRET_KEY) void settingsPanel.refresh();
@@ -915,6 +925,10 @@ export async function activate(context: vscode.ExtensionContext) {
 
 export async function deactivate() {
     HealthCheckMonitor.dispose();
+    // Release the in-memory brain token index (and any pending debounced disk
+    // write timer) — the `_states` Map is otherwise never cleared for the
+    // process lifetime.
+    clearBrainTokenIndex();
     if (_telegramBot) {
         try { await _telegramBot.stop(); } catch (e) { logError('Telegram bot stop during deactivate failed.', e); }
         _telegramBot = undefined;