Add command files and enhance session management features

lib/ui/providers/chat_provider.dart

@@ -1,4 +1,5 @@
 import "package:flutter/foundation.dart";
+import "package:flutter/scheduler.dart";
 import "dart:typed_data";
 
 import "../../src/chat/tool_loop_service.dart";
@@ -6,9 +7,12 @@ import "../../src/compact/compact_service.dart";
 import "../../src/hooks/hook_loader.dart";
 import "../../src/hooks/hook_runner.dart";
 import "../../src/permissions/permission_types.dart";
+import "../../src/services/cost_tracker.dart" as cost_tracker;
 import "../../src/session/session_runtime.dart";
+import "../../src/session/session_store.dart";
 import "../../src/session/session_types.dart";
 import "../models/attachment.dart";
+import "cost_provider.dart";
 import "settings_provider.dart";
 
 
@@ -20,18 +24,35 @@ import "settings_provider.dart";
 // running and save themselves to disk; when you switch back you see their
 // live state.
 class ChatProvider extends ChangeNotifier {
-  ChatProvider(this._settingsProvider) {
+  ChatProvider(this._settingsProvider, this._costProvider) {
     _initHooks();
   }
 
   final SettingsProvider _settingsProvider;
+  final CostProvider _costProvider;
+
+  void Function(String sessionId, String newName)? onSessionNameChanged;
 
   ToolLoopService _toolLoopService = ToolLoopService();
   HookRunner? _hookRunner;
 
   final Map<String, SessionRuntime> _runtimes = {};
+  final Map<String, ConversationSession> _sessions = {};
   String? _activeSessionId;
 
+  bool _notifyScheduled = false;
+
+  void _scheduleNotify() {
+    if (_notifyScheduled) return;
+    _notifyScheduled = true;
+
+    SchedulerBinding.instance.scheduleFrameCallback((_) {
+      _notifyScheduled = false;
+      notifyListeners();
+      _costProvider.refreshCost();
+    });
+  }
+
   // ─── hooks ──────────────────────────────────────────────────────────────────
 
   Future<void> _initHooks() async {
@@ -82,6 +103,10 @@ class ChatProvider extends ChangeNotifier {
     return r != null && r.hasUnreadResult;
   }
 
+  void markSessionRead(String sessionId) {
+    _runtimes[sessionId]?.setUnreadResult(false);
+  }
+
   int get contextTokens {
     final msgs = messages;
     for (var i = msgs.length - 1; i >= 0; i--) {
@@ -99,19 +124,46 @@ class ChatProvider extends ChangeNotifier {
     final id = session.id;
 
     if (!_runtimes.containsKey(id)) {
+      _sessions[id] = session;
       _runtimes[id] = SessionRuntime(
         session: session,
         toolLoopService: _toolLoopService,
         hookRunner: _hookRunner,
         getSettings: () => _settingsProvider.settings,
         normalizeModelId: (m) => _settingsProvider.normalizeModelId(m),
-        onChanged: notifyListeners,
+        onChanged: _scheduleNotify,
+        onCostAdded: (_) {
+          final s = _sessions[id];
+          if (s != null) SessionStore.instance.saveSession(s);
+        },
+        isActive: () => _activeSessionId == id,
+        onNameGenerated: (sid, name) {
+          onSessionNameChanged?.call(sid, name);
+          notifyListeners();
+        },
+        onPersistAllowRule: (rule) => _settingsProvider.addAlwaysAllowRule(rule),
       );
     }
 
     _activeSessionId = id;
     _runtimes[id]?.markRead();
+
+    // sync global cost tracker to this thread's persisted cost
+    cost_tracker.resetCostState();
+    final sessionCost = (_sessions[id] ?? session).cost;
+    if (sessionCost > 0) {
+      cost_tracker.setCostStateForRestore(
+        totalCostUsd: sessionCost,
+        totalApiDurationMs: 0,
+        totalApiDurationWithoutRetriesMs: 0,
+        totalToolDurationMs: 0,
+        totalLinesAdded: 0,
+        totalLinesRemoved: 0,
+      );
+    }
+
     notifyListeners();
+    _costProvider.refreshCost();
   }
 
   // Fast-path: switch focus to an already-running runtime without touching disk.
@@ -164,8 +216,8 @@ class ChatProvider extends ChangeNotifier {
       _active?.runCompact(customInstructions: customInstructions) ??
       Future.value();
 
-  Future<void> resolvePermission(PermissionDecision decision) =>
-      _active?.resolvePermission(decision) ?? Future.value();
+  Future<void> resolvePermission(PermissionDecision decision, {String? persistRule}) =>
+      _active?.resolvePermission(decision, persistRule: persistRule) ?? Future.value();
 
   void removeQueuedMessage(int index) => _active?.removeQueuedMessage(index);
 

lib/ui/providers/cost_provider.dart

@@ -12,8 +12,6 @@ class CostProvider extends ChangeNotifier {
   String getFormattedTotalCost() => cost_tracker.formatTotalCost();
 
   Future<void> refreshCost() async {
-    // read current values from cost tracker
-    final _ = cost_tracker.getTotalCostUsd();
     notifyListeners();
   }
 }

lib/ui/providers/home_coordinator.dart

@@ -11,7 +11,9 @@ import "settings_provider.dart";
 
 class HomeCoordinator extends ChangeNotifier {
 
-  HomeCoordinator(this._projects, this._session, this._chat, this._settings);
+  HomeCoordinator(this._projects, this._session, this._chat, this._settings) {
+    _chat.onSessionNameChanged = (_, __) => _session.refreshSessions();
+  }
 
   final ProjectsProvider _projects;
   final SessionProvider _session;
@@ -86,6 +88,7 @@ class HomeCoordinator extends ChangeNotifier {
     // without reloading from disk — avoids disrupting an in-progress turn.
     if (_chat.isSessionRunning(session.id)) {
       _chat.activateSessionById(session.id);
+      _chat.markSessionRead(session.id);
       _session.setActiveSessionId(session.id);
       _projects.selectProjectByWorkingDirectory(session.workingDirectory);
       _settings.setThreadModel(session.model);
@@ -96,6 +99,7 @@ class HomeCoordinator extends ChangeNotifier {
     final loaded = _session.currentSession;
     if (loaded != null) {
       _chat.activateSession(loaded);
+      _chat.markSessionRead(session.id);
     }
     _projects.selectProjectByWorkingDirectory(_session.activeWorkingDirectory);
     _settings.setThreadModel(_session.currentSession?.model);
@@ -120,6 +124,7 @@ class HomeCoordinator extends ChangeNotifier {
       final newSession = _session.currentSession;
       if (newSession != null) {
         _chat.activateSession(newSession);
+        _chat.markSessionRead(newSession.id);
       }
     }
 

lib/ui/providers/settings_provider.dart

@@ -82,6 +82,22 @@ class SettingsProvider extends ChangeNotifier {
     notifyListeners();
   }
 
+  Future<void> updateAdvisorEffortLevel(String? level) async {
+    await _settingsStore.update(
+      (current) => current.copyWith(advisorEffortLevel: level),
+    );
+    _globalSettings = _settingsStore.settings;
+    notifyListeners();
+  }
+
+  Future<void> updateAdvisorModel(String? model) async {
+    await _settingsStore.update(
+      (current) => current.copyWith(advisorModel: model),
+    );
+    _globalSettings = _settingsStore.settings;
+    notifyListeners();
+  }
+
   Future<void> updateEffortLevel(String newLevel) async {
     await _settingsStore.update(
       (current) => current.copyWith(effortLevel: newLevel),