diff --git a/Cargo.lock b/Cargo.lock
index 90d3158..5c7db61 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -345,7 +345,7 @@ dependencies = [
 
 [[package]]
 name = "chanora_audio"
-version = "0.0.1-pre"
+version = "0.2.0-beta.1"
 dependencies = [
  "audiopus",
  "chanora_protocol",
@@ -368,7 +368,7 @@ dependencies = [
 
 [[package]]
 name = "chanora_bridge"
-version = "0.0.1-pre"
+version = "0.2.0-beta.1"
 dependencies = [
  "chanora_core",
  "chanora_protocol",
@@ -386,7 +386,7 @@ dependencies = [
 
 [[package]]
 name = "chanora_core"
-version = "0.0.1-pre"
+version = "0.2.0-beta.1"
 dependencies = [
  "chanora_audio",
  "chanora_diagnostics",
@@ -401,7 +401,7 @@ dependencies = [
 
 [[package]]
 name = "chanora_diagnostics"
-version = "0.0.1-pre"
+version = "0.2.0-beta.1"
 dependencies = [
  "thiserror 2.0.18",
  "tracing",
@@ -410,7 +410,7 @@ dependencies = [
 
 [[package]]
 name = "chanora_protocol"
-version = "0.0.1-pre"
+version = "0.2.0-beta.1"
 dependencies = [
  "async-trait",
  "futures",
@@ -426,7 +426,7 @@ dependencies = [
 
 [[package]]
 name = "chanora_state"
-version = "0.0.1-pre"
+version = "0.2.0-beta.1"
 dependencies = [
  "thiserror 2.0.18",
  "tracing",
@@ -434,7 +434,7 @@ dependencies = [
 
 [[package]]
 name = "chanora_storage"
-version = "0.0.1-pre"
+version = "0.2.0-beta.1"
 dependencies = [
  "base64",
  "chacha20poly1305",
diff --git a/apps/chanora_flutter/lib/l10n/app_en.arb b/apps/chanora_flutter/lib/l10n/app_en.arb
index b150c0a..c06418e 100644
--- a/apps/chanora_flutter/lib/l10n/app_en.arb
+++ b/apps/chanora_flutter/lib/l10n/app_en.arb
@@ -22,6 +22,7 @@
   "@aboutVersion": {
     "placeholders": { "version": { "type": "String" } }
   },
+  "aboutAuthor": "Author: Edison Jwa",
   "aboutNonAffiliation": "Chanora is independent and is not affiliated with, endorsed by, sponsored by, or officially associated with TeamSpeak.",
   "aboutLicenseHeading": "License",
   "aboutLicenseBody": "Chanora is dual-licensed under the Apache License, Version 2.0 or the MIT License, at your option. The full license texts ship as LICENSE-APACHE and LICENSE-MIT at the repository root.",
@@ -154,5 +155,11 @@
     "placeholders": {
       "message": { "type": "String" }
     }
-  }
+  },
+  "networkPermissionTitle": "Network Permission Required",
+  "networkPermissionBody": "Chanora needs permission to access the network. On macOS, go to System Settings → Privacy & Security → Local Network and enable Chanora, then try again.",
+  "networkPermissionOpenSettings": "Open System Settings",
+  "microphonePermissionTitle": "Microphone Permission Required",
+  "microphonePermissionBody": "Chanora needs permission to access the microphone. On macOS, go to System Settings → Privacy & Security → Microphone and enable Chanora.",
+  "permissionDenied": "Permission Denied"
 }
diff --git a/apps/chanora_flutter/lib/l10n/app_zh.arb b/apps/chanora_flutter/lib/l10n/app_zh.arb
index 886d024..bb12acc 100644
--- a/apps/chanora_flutter/lib/l10n/app_zh.arb
+++ b/apps/chanora_flutter/lib/l10n/app_zh.arb
@@ -18,6 +18,7 @@
   "diagnosticsAction": "诊断信息",
   "aboutAction": "关于",
   "aboutVersion": "版本 {version}",
+  "aboutAuthor": "作者: Edison Jwa",
   "aboutNonAffiliation": "Chanora 是独立项目，与 TeamSpeak 之间不存在任何附属、认可、赞助或官方关联关系。",
   "aboutLicenseHeading": "许可协议",
   "aboutLicenseBody": "Chanora 采用 Apache License 2.0 或 MIT License 双协议授权，使用者可任选其一。完整协议文本以 LICENSE-APACHE 与 LICENSE-MIT 形式随仓库一同分发。",
@@ -111,5 +112,11 @@
     "placeholders": {
       "message": { "type": "String" }
     }
-  }
+  },
+  "networkPermissionTitle": "需要网络权限",
+  "networkPermissionBody": "Chanora 需要网络访问权限。请前往系统设置 → 隐私与安全性 → 本地网络，启用 Chanora，然后重试。",
+  "networkPermissionOpenSettings": "打开系统设置",
+  "microphonePermissionTitle": "需要麦克风权限",
+  "microphonePermissionBody": "Chanora 需要麦克风访问权限。请前往系统设置 → 隐私与安全性 → 麦克风，启用 Chanora。",
+  "permissionDenied": "权限被拒绝"
 }
diff --git a/apps/chanora_flutter/lib/l10n/generated/app_localizations.dart b/apps/chanora_flutter/lib/l10n/generated/app_localizations.dart
index ab6d1c0..2ad8037 100644
--- a/apps/chanora_flutter/lib/l10n/generated/app_localizations.dart
+++ b/apps/chanora_flutter/lib/l10n/generated/app_localizations.dart
@@ -181,6 +181,12 @@ abstract class AppL10n {
   /// **'Version {version}'**
   String aboutVersion(String version);
 
+  /// No description provided for @aboutAuthor.
+  ///
+  /// In en, this message translates to:
+  /// **'Author: Edison Jwa'**
+  String get aboutAuthor;
+
   /// No description provided for @aboutNonAffiliation.
   ///
   /// In en, this message translates to:
@@ -684,6 +690,42 @@ abstract class AppL10n {
   /// In en, this message translates to:
   /// **'Could not join channel: {message}'**
   String channelJoinFailedGeneric(String message);
+
+  /// No description provided for @networkPermissionTitle.
+  ///
+  /// In en, this message translates to:
+  /// **'Network Permission Required'**
+  String get networkPermissionTitle;
+
+  /// No description provided for @networkPermissionBody.
+  ///
+  /// In en, this message translates to:
+  /// **'Chanora needs permission to access the network. On macOS, go to System Settings → Privacy & Security → Local Network and enable Chanora, then try again.'**
+  String get networkPermissionBody;
+
+  /// No description provided for @networkPermissionOpenSettings.
+  ///
+  /// In en, this message translates to:
+  /// **'Open System Settings'**
+  String get networkPermissionOpenSettings;
+
+  /// No description provided for @microphonePermissionTitle.
+  ///
+  /// In en, this message translates to:
+  /// **'Microphone Permission Required'**
+  String get microphonePermissionTitle;
+
+  /// No description provided for @microphonePermissionBody.
+  ///
+  /// In en, this message translates to:
+  /// **'Chanora needs permission to access the microphone. On macOS, go to System Settings → Privacy & Security → Microphone and enable Chanora.'**
+  String get microphonePermissionBody;
+
+  /// No description provided for @permissionDenied.
+  ///
+  /// In en, this message translates to:
+  /// **'Permission Denied'**
+  String get permissionDenied;
 }
 
 class _AppL10nDelegate extends LocalizationsDelegate<AppL10n> {
diff --git a/apps/chanora_flutter/lib/l10n/generated/app_localizations_en.dart b/apps/chanora_flutter/lib/l10n/generated/app_localizations_en.dart
index 67c680c..22ebbed 100644
--- a/apps/chanora_flutter/lib/l10n/generated/app_localizations_en.dart
+++ b/apps/chanora_flutter/lib/l10n/generated/app_localizations_en.dart
@@ -54,6 +54,9 @@ class AppL10nEn extends AppL10n {
     return 'Version $version';
   }
 
+  @override
+  String get aboutAuthor => 'Author: Edison Jwa';
+
   @override
   String get aboutNonAffiliation =>
       'Chanora is independent and is not affiliated with, endorsed by, sponsored by, or officially associated with TeamSpeak.';
@@ -339,4 +342,24 @@ class AppL10nEn extends AppL10n {
   String channelJoinFailedGeneric(String message) {
     return 'Could not join channel: $message';
   }
+
+  @override
+  String get networkPermissionTitle => 'Network Permission Required';
+
+  @override
+  String get networkPermissionBody =>
+      'Chanora needs permission to access the network. On macOS, go to System Settings → Privacy & Security → Local Network and enable Chanora, then try again.';
+
+  @override
+  String get networkPermissionOpenSettings => 'Open System Settings';
+
+  @override
+  String get microphonePermissionTitle => 'Microphone Permission Required';
+
+  @override
+  String get microphonePermissionBody =>
+      'Chanora needs permission to access the microphone. On macOS, go to System Settings → Privacy & Security → Microphone and enable Chanora.';
+
+  @override
+  String get permissionDenied => 'Permission Denied';
 }
diff --git a/apps/chanora_flutter/lib/l10n/generated/app_localizations_zh.dart b/apps/chanora_flutter/lib/l10n/generated/app_localizations_zh.dart
index 7290070..dc244c2 100644
--- a/apps/chanora_flutter/lib/l10n/generated/app_localizations_zh.dart
+++ b/apps/chanora_flutter/lib/l10n/generated/app_localizations_zh.dart
@@ -52,6 +52,9 @@ class AppL10nZh extends AppL10n {
     return '版本 $version';
   }
 
+  @override
+  String get aboutAuthor => '作者: Edison Jwa';
+
   @override
   String get aboutNonAffiliation =>
       'Chanora 是独立项目，与 TeamSpeak 之间不存在任何附属、认可、赞助或官方关联关系。';
@@ -331,4 +334,24 @@ class AppL10nZh extends AppL10n {
   String channelJoinFailedGeneric(String message) {
     return '无法加入频道：$message';
   }
+
+  @override
+  String get networkPermissionTitle => '需要网络权限';
+
+  @override
+  String get networkPermissionBody =>
+      'Chanora 需要网络访问权限。请前往系统设置 → 隐私与安全性 → 本地网络，启用 Chanora，然后重试。';
+
+  @override
+  String get networkPermissionOpenSettings => '打开系统设置';
+
+  @override
+  String get microphonePermissionTitle => '需要麦克风权限';
+
+  @override
+  String get microphonePermissionBody =>
+      'Chanora 需要麦克风访问权限。请前往系统设置 → 隐私与安全性 → 麦克风，启用 Chanora。';
+
+  @override
+  String get permissionDenied => '权限被拒绝';
 }
diff --git a/apps/chanora_flutter/lib/main.dart b/apps/chanora_flutter/lib/main.dart
index 8a099c0..667f343 100644
--- a/apps/chanora_flutter/lib/main.dart
+++ b/apps/chanora_flutter/lib/main.dart
@@ -11,7 +11,7 @@
 import 'dart:async';
 
 import 'package:connectivity_plus/connectivity_plus.dart';
-import 'dart:io' show Platform;
+import 'dart:io' show Platform, Process;
 
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
@@ -429,13 +429,54 @@ class _BetaHomeState extends State<_BetaHome> {
       });
     } catch (e) {
       if (!mounted) return;
+      final errorStr = e.toString();
+      if (errorStr.contains('PermissionDenied') ||
+          errorStr.contains('Operation not permitted')) {
+        _showPermissionDeniedDialog(errorStr);
+      }
       setState(() {
         _phase = _Phase.idle;
-        _error = e.toString();
+        _error = errorStr;
       });
     }
   }
 
+  void _showPermissionDeniedDialog(String rawError) {
+    final l10n = AppL10n.of(context);
+    final isNetwork =
+        rawError.contains('9987') || rawError.contains('connect');
+    showDialog(
+      context: context,
+      builder: (ctx) => AlertDialog(
+        title:
+            Text(isNetwork ? l10n.networkPermissionTitle : l10n.permissionDenied),
+        content: Text(
+            isNetwork ? l10n.networkPermissionBody : l10n.microphonePermissionBody),
+        actions: [
+          if (Platform.isMacOS)
+            TextButton(
+              onPressed: () {
+                Navigator.pop(ctx);
+                try {
+                  Process.run(
+                    'open',
+                    [
+                      'x-apple.systempreferences:com.apple.preference.security?Privacy_LocalNetwork',
+                    ],
+                  );
+                } catch (_) {}
+              },
+              child: Text(l10n.networkPermissionOpenSettings),
+            ),
+          TextButton(
+            onPressed: () => Navigator.pop(ctx),
+            child: Text(MaterialLocalizations.of(context).okButtonLabel),
+          ),
+        ],
+      ),
+    );
+  }
+
   // ignore: unused_element
   Future<void> _setPtt(bool active) async {
     try {
@@ -853,6 +894,8 @@ class _BetaHomeState extends State<_BetaHome> {
                 l10n.aboutVersion(_kAppVersion),
                 style: theme.textTheme.bodySmall,
               ),
+              const SizedBox(height: 4),
+              Text(l10n.aboutAuthor, style: theme.textTheme.bodySmall),
               const SizedBox(height: 16),
               Text(l10n.aboutNonAffiliation, style: theme.textTheme.bodyMedium),
               const SizedBox(height: 12),
@@ -870,6 +913,13 @@ class _BetaHomeState extends State<_BetaHome> {
           ),
         ),
         actions: [
+          TextButton(
+            onPressed: () async {
+              Navigator.of(ctx).pop();
+              await _onShowDiagnostics(context);
+            },
+            child: Text(l10n.diagnosticsAction),
+          ),
           TextButton(
             onPressed: () => Navigator.of(ctx).pop(),
             child: Text(l10n.closeAction),
@@ -1001,11 +1051,6 @@ class _BetaHomeState extends State<_BetaHome> {
             icon: const Icon(Icons.info_outline),
             onPressed: () => _onShowAbout(context),
           ),
-          IconButton(
-            tooltip: l10n.diagnosticsAction,
-            icon: const Icon(Icons.bug_report_outlined),
-            onPressed: () => _onShowDiagnostics(context),
-          ),
           if (_phase == _Phase.connected) ...[
             // The previous Refresh action (Icons.refresh + _onRefresh)
             // was removed in v1.0.0-rc.8 — the snapshot stream the
diff --git a/apps/chanora_flutter/macos/Frameworks/chanora_bridge.framework/Versions/A/chanora_bridge b/apps/chanora_flutter/macos/Frameworks/chanora_bridge.framework/Versions/A/chanora_bridge
index 7e20bfa..3027e40 100755
Binary files a/apps/chanora_flutter/macos/Frameworks/chanora_bridge.framework/Versions/A/chanora_bridge and b/apps/chanora_flutter/macos/Frameworks/chanora_bridge.framework/Versions/A/chanora_bridge differ