diff --git a/dist-electron/main/main.js b/dist-electron/main/main.js
index 2ffb9f1..96c84ee 100644
--- a/dist-electron/main/main.js
+++ b/dist-electron/main/main.js
@@ -1,6 +1,6 @@
 "use strict";
 require("electron");
-require("./main-BynUR3CU.js");
+require("./main-TNsjwKgR.js");
 require("electron-squirrel-startup");
 require("electron-log");
 require("bytenode");
diff --git a/dist-electron/preload/preload.js b/dist-electron/preload/preload.js
index 97b1935..a8ecba1 100644
--- a/dist-electron/preload/preload.js
+++ b/dist-electron/preload/preload.js
@@ -1,6 +1,7 @@
 "use strict";
 const electron = require("electron");
 var IPC_EVENTS = /* @__PURE__ */ ((IPC_EVENTS2) => {
+  IPC_EVENTS2["HOST_API_FETCH"] = "hostapi:fetch";
   IPC_EVENTS2["EXTERNAL_OPEN"] = "external-open";
   IPC_EVENTS2["APP_SET_FRAMELESS"] = "app:set-frameless";
   IPC_EVENTS2["APP_LOAD_PAGE"] = "app:load-page";
diff --git a/electron/api/routes/settings.ts b/electron/api/routes/settings.ts
index 01995e7..df0b86d 100644
--- a/electron/api/routes/settings.ts
+++ b/electron/api/routes/settings.ts
@@ -1,4 +1,4 @@
-import type { ConfigKeys, IConfig } from '@runtime/lib/types';
+import type { ConfigKeys, IConfig } from '@electron/types/runtime';
 import configManager from '@electron/service/config-service';
 import type { HostApiResult } from '@src/types/runtime';
 import type { HostApiContext } from '../context';
diff --git a/electron/locales/messages.ts b/electron/locales/messages.ts
new file mode 100644
index 0000000..6c41575
--- /dev/null
+++ b/electron/locales/messages.ts
@@ -0,0 +1,99 @@
+export type RuntimeMessageTree = {
+  [key: string]: string | number | RuntimeMessageTree;
+};
+
+export const runtimeLocaleMessages: Record<'en' | 'zh' | 'th', RuntimeMessageTree> = {
+  en: {
+    settings: {
+      title: 'Settings',
+    },
+    menu: {
+      conversation: {
+        newConversation: 'New Conversation',
+        sortBy: 'Sort By',
+        sortByCreateTime: 'Sort by Creation Time',
+        sortByUpdateTime: 'Sort by Update Time',
+        sortByName: 'Sort by Name',
+        sortByModel: 'Sort by Model',
+        sortAscending: 'Ascending',
+        sortDescending: 'Descending',
+        pinConversation: 'Pin Conversation',
+        renameConversation: 'Rename Conversation',
+        delConversation: 'Delete Conversation',
+        batchOperations: 'Batch Operations',
+      },
+      message: {
+        copyMessage: 'Copy Message',
+        deleteMessage: 'Delete Message',
+        selectMessage: 'Select Message',
+      },
+    },
+    tray: {
+      tooltip: 'ZN-AI',
+      showWindow: 'Show Window',
+      exit: 'Exit',
+    },
+  },
+  zh: {
+    settings: {
+      title: '设置',
+    },
+    menu: {
+      conversation: {
+        newConversation: '新建对话',
+        sortBy: '排序方式',
+        sortByCreateTime: '按创建时间排序',
+        sortByUpdateTime: '按更新时间排序',
+        sortByName: '按名称排序',
+        sortByModel: '按模型排序',
+        sortAscending: '递增',
+        sortDescending: '递减',
+        pinConversation: '置顶对话',
+        renameConversation: '重命名对话',
+        delConversation: '删除对话',
+        batchOperations: '批量操作',
+      },
+      message: {
+        copyMessage: '复制消息',
+        deleteMessage: '删除消息',
+        selectMessage: '选择消息',
+      },
+    },
+    tray: {
+      tooltip: 'ZN-AI',
+      showWindow: '显示窗口',
+      exit: '退出',
+    },
+  },
+  th: {
+    settings: {
+      title: 'ตั้งค่า',
+    },
+    menu: {
+      conversation: {
+        newConversation: 'การสนทนาใหม่',
+        sortBy: 'จัดเรียงตาม',
+        sortByCreateTime: 'จัดเรียงตามเวลาสร้าง',
+        sortByUpdateTime: 'จัดเรียงตามเวลาอัปเดต',
+        sortByName: 'จัดเรียงตามชื่อ',
+        sortByModel: 'จัดเรียงตามโมเดล',
+        sortAscending: 'เรียงจากน้อยไปมาก',
+        sortDescending: 'เรียงจากมากไปน้อย',
+        pinConversation: 'ปักหมุดการสนทนา',
+        renameConversation: 'เปลี่ยนชื่อการสนทนา',
+        delConversation: 'ลบการสนทนา',
+        batchOperations: 'ดำเนินการแบบกลุ่ม',
+      },
+      message: {
+        copyMessage: 'คัดลอกข้อความ',
+        deleteMessage: 'ลบข้อความ',
+        selectMessage: 'เลือกข้อความ',
+      },
+    },
+    tray: {
+      tooltip: 'ZN-AI',
+      showWindow: 'แสดงหน้าต่าง',
+      exit: 'ออก',
+    },
+  },
+};
diff --git a/electron/main.ts b/electron/main.ts
index cf71bde..6ce2772 100644
--- a/electron/main.ts
+++ b/electron/main.ts
@@ -1,5 +1,5 @@
 import { app, BrowserWindow, ipcMain } from 'electron'
-import { CONFIG_KEYS } from '@runtime/lib/constants'
+import { CONFIG_KEYS, IPC_EVENTS } from '@runtime/lib/constants'
 import { setupMainWindow } from './wins';
 import started from 'electron-squirrel-startup'
 import configManager from '@electron/service/config-service'
@@ -75,7 +75,7 @@ async function requestUpstreamHostApi(path: string, method: string, headers: Rec
   }
 }
 
-ipcMain.handle('hostapi:fetch', async (_event, { path, method, headers, body }) => {
+ipcMain.handle(IPC_EVENTS.HOST_API_FETCH, async (_event, { path, method, headers, body }) => {
   const normalizedMethod = method || 'GET';
 
   // 1. 优先本地处理 Host API 路由（逐步对齐 ClawX）
@@ -92,7 +92,7 @@ ipcMain.handle('hostapi:fetch', async (_event, { path, method, headers, body })
 });
 
 // Gateway RPC IPC handler
-ipcMain.handle('gateway:rpc', async (_event, method: string, params: any) => {
+ipcMain.handle(IPC_EVENTS.GATEWAY_RPC, async (_event, method: string, params: any) => {
   return gatewayManager.rpc(method, params);
 });
 
diff --git a/electron/service/config-service/index.ts b/electron/service/config-service/index.ts
index 3ea3450..4d420a0 100644
--- a/electron/service/config-service/index.ts
+++ b/electron/service/config-service/index.ts
@@ -1,10 +1,10 @@
 import { BrowserWindow, ipcMain } from 'electron'
-import type { ConfigKeys, IConfig } from '@runtime/lib/types'
 import { CONFIG_KEYS, IPC_EVENTS } from '@runtime/lib/constants'
-import { debounce } from '@runtime/lib/utils'
 
 import logManager from '@electron/service/logger'
+import type { ConfigKeys, IConfig } from '@electron/types/runtime'
 import { getUserDataDir } from '@electron/utils/paths'
+import { debounce } from '@electron/utils/shared'
 
 type AppConfig = IConfig & {
   [CONFIG_KEYS.GATEWAY_AUTO_START]: boolean;
diff --git a/electron/service/menu-service/index.ts b/electron/service/menu-service/index.ts
index 26cc8e1..5ecab17 100644
--- a/electron/service/menu-service/index.ts
+++ b/electron/service/menu-service/index.ts
@@ -1,7 +1,7 @@
 import { ipcMain, Menu, type MenuItemConstructorOptions } from 'electron';
 import { CONFIG_KEYS, IPC_EVENTS } from '@runtime/lib/constants';
-import { cloneDeep } from '@runtime/lib/utils';
 import { createTranslator } from '@electron/utils'
+import { cloneDeep } from '@electron/utils/shared';
 import logManager from '@electron/service/logger'
 import configManager from '@electron/service/config-service'
 
diff --git a/electron/service/script-execution-service/index.ts b/electron/service/script-execution-service/index.ts
index 5e62b7c..a116869 100644
--- a/electron/service/script-execution-service/index.ts
+++ b/electron/service/script-execution-service/index.ts
@@ -3,7 +3,7 @@ import {
   getScriptPathById,
   updateLastRun,
 } from '@electron/service/script-store-service';
-import type { ScriptExecutionResult } from '@runtime/lib/script-types';
+import type { ScriptExecutionResult } from '../../types/script-types';
 
 const executor = new executeScriptService();
 
diff --git a/electron/service/script-store-service/index.ts b/electron/service/script-store-service/index.ts
index 4307a59..445e8df 100644
--- a/electron/service/script-store-service/index.ts
+++ b/electron/service/script-store-service/index.ts
@@ -7,7 +7,7 @@ import type {
   ScriptMetaItem,
   ScriptsMeta,
   ScriptSaveInput,
-} from '@runtime/lib/script-types';
+} from '../../types/script-types';
 
 const META_FILENAME = 'scripts.meta.json';
 
diff --git a/electron/service/window-service/index.ts b/electron/service/window-service/index.ts
index 5ccbc04..ca8057a 100644
--- a/electron/service/window-service/index.ts
+++ b/electron/service/window-service/index.ts
@@ -1,4 +1,4 @@
-import type { WindowNames } from '@runtime/lib/types'
+import type { WindowNames } from '@electron/types/runtime'
 
 import { CONFIG_KEYS, IPC_EVENTS, WINDOW_NAMES } from '@runtime/lib/constants'
 import { app, BrowserWindow, BrowserWindowConstructorOptions, ipcMain, IpcMainInvokeEvent, type IpcMainEvent } from 'electron'
diff --git a/runtime-shared/lib/types.ts b/electron/types/runtime.ts
similarity index 86%
rename from runtime-shared/lib/types.ts
rename to electron/types/runtime.ts
index bd820c8..689167c 100644
--- a/runtime-shared/lib/types.ts
+++ b/electron/types/runtime.ts
@@ -1,5 +1,5 @@
-import type { Task } from './task-types';
-import { CONFIG_KEYS, WINDOW_NAMES } from './constants';
+import type { Task } from '@src/lib/task-types';
+import { CONFIG_KEYS, WINDOW_NAMES } from '@runtime/lib/constants';
 
 export type ThemeMode = 'dark' | 'light' | 'system';
 export type WindowNames = `${WINDOW_NAMES}`;
@@ -8,7 +8,7 @@ export type ConfigKeys = `${CONFIG_KEYS}`;
 export interface IConfig {
   [CONFIG_KEYS.THEME_MODE]: ThemeMode;
   [CONFIG_KEYS.PRIMARY_COLOR]: string;
-  [CONFIG_KEYS.LANGUAGE]: 'zh' | 'en';
+  [CONFIG_KEYS.LANGUAGE]: 'zh' | 'en' | 'th';
   [CONFIG_KEYS.FONT_SIZE]: number;
   [CONFIG_KEYS.MINIMIZE_TO_TRAY]: boolean;
   [CONFIG_KEYS.LAUNCH_AT_STARTUP]: boolean;
diff --git a/runtime-shared/lib/script-types.ts b/electron/types/script-types.ts
similarity index 100%
rename from runtime-shared/lib/script-types.ts
rename to electron/types/script-types.ts
diff --git a/electron/utils/index.ts b/electron/utils/index.ts
index 1515aab..ef53fe9 100644
--- a/electron/utils/index.ts
+++ b/electron/utils/index.ts
@@ -3,7 +3,7 @@ import logManager from '@electron/service/logger'
 import configManager from '@electron/service/config-service'
 import path from 'node:path'
 import { app } from 'electron'
-import { runtimeLocaleMessages, type RuntimeMessageTree } from '@runtime/locales/messages'
+import { runtimeLocaleMessages, type RuntimeMessageTree } from '@electron/locales/messages'
 
 const messages: Record<string, RuntimeMessageTree> = runtimeLocaleMessages
 
diff --git a/runtime-shared/lib/utils.ts b/electron/utils/shared.ts
similarity index 100%
rename from runtime-shared/lib/utils.ts
rename to electron/utils/shared.ts
diff --git a/global.d.ts b/global.d.ts
index 5bbd208..982694a 100644
--- a/global.d.ts
+++ b/global.d.ts
@@ -1,8 +1,9 @@
-import { IPC_EVENTS } from '@runtime/lib/constants'
-import type { ConfigKeys } from '@runtime/lib/types'
-import type { AutomationScript, ScriptSaveInput, ScriptExecutionResult } from '@runtime/lib/script-types'
+import { CONFIG_KEYS, IPC_EVENTS } from '@runtime/lib/constants'
+import type { AutomationScript, ScriptSaveInput, ScriptExecutionResult } from '@src/lib/script-types'
 
 declare global {
+  type ConfigKeys = `${CONFIG_KEYS}`
+
   // 定义每个通道的参数和返回值类型
   interface IPCTypings {
     // 同步通信
@@ -42,6 +43,10 @@ declare global {
       params: [event: any]
       return: void
     }
+    [IPC_EVENTS.HOST_API_FETCH]: {
+      params: [request: { path: string; method?: string; headers?: Record<string, string>; body?: unknown }]
+      return: Promise<unknown>
+    }
 
     // 任务事件
     [IPC_EVENTS.TASK_PROGRESS]: { params: [payload: any]; return: void; }
diff --git a/runtime-shared/lib/constants.ts b/runtime-shared/lib/constants.ts
index 4bf515c..b2d7858 100644
--- a/runtime-shared/lib/constants.ts
+++ b/runtime-shared/lib/constants.ts
@@ -1,4 +1,5 @@
 export enum IPC_EVENTS {
+  HOST_API_FETCH = 'hostapi:fetch',
   EXTERNAL_OPEN = 'external-open',
   APP_SET_FRAMELESS = 'app:set-frameless',
   APP_LOAD_PAGE = 'app:load-page',
@@ -120,3 +121,7 @@ export enum MESSAGE_ITEM_MENU_IDS {
   DELETE = 'delete',
   SELECT = 'select',
 }
+
+export const DEFAULT_THEME_MODE = 'system' as const;
+
+export const DEFAULT_LANGUAGE = 'zh' as const;
diff --git a/runtime-shared/lib/models.ts b/runtime-shared/lib/models.ts
index 76e14b6..c965b26 100644
--- a/runtime-shared/lib/models.ts
+++ b/runtime-shared/lib/models.ts
@@ -2,9 +2,13 @@ import {
   DEFAULT_AGENT_ID,
   DEFAULT_CHANNEL_ACCOUNT_ID,
   DEFAULT_MAIN_SESSION_SUFFIX,
+  buildAgentSessionKey,
+  buildMainSessionKey,
   buildChannelAccountOwnerKey,
+  normalizeAgentId,
   normalizeChannelAccountId,
   normalizeChannelType,
+  normalizeSessionSuffix,
   parseChannelAccountOwnerKey,
   resolveChannelAccountOwner,
   type AgentSummary,
@@ -29,27 +33,6 @@ export interface ParsedSessionKey {
   isAgentSession: boolean;
 }
 
-export function normalizeAgentId(value: string | null | undefined): string {
-  const normalized = String(value ?? '').trim().toLowerCase();
-  return normalized || DEFAULT_AGENT_ID;
-}
-
-export function normalizeSessionSuffix(value: string | null | undefined): string {
-  const normalized = String(value ?? '').trim().toLowerCase();
-  return normalized || DEFAULT_MAIN_SESSION_SUFFIX;
-}
-
-export function buildAgentSessionKey(agentId: string, sessionId: string): string {
-  return `agent:${normalizeAgentId(agentId)}:${normalizeSessionSuffix(sessionId)}`;
-}
-
-export function buildMainSessionKey(
-  agentId: string,
-  sessionId = DEFAULT_MAIN_SESSION_SUFFIX,
-): string {
-  return buildAgentSessionKey(agentId, sessionId);
-}
-
 export function parseSessionKey(sessionKey: string): ParsedSessionKey {
   const trimmed = String(sessionKey ?? '').trim();
 
@@ -97,9 +80,13 @@ export {
   DEFAULT_AGENT_ID,
   DEFAULT_CHANNEL_ACCOUNT_ID,
   DEFAULT_MAIN_SESSION_SUFFIX,
+  buildAgentSessionKey,
+  buildMainSessionKey,
   buildChannelAccountOwnerKey,
+  normalizeAgentId,
   normalizeChannelAccountId,
   normalizeChannelType,
+  normalizeSessionSuffix,
   parseChannelAccountOwnerKey,
   resolveChannelAccountOwner,
 };
diff --git a/runtime-shared/lib/providers.ts b/runtime-shared/lib/providers.ts
index 20aa333..c7465be 100644
--- a/runtime-shared/lib/providers.ts
+++ b/runtime-shared/lib/providers.ts
@@ -58,6 +58,8 @@ export interface ProviderTypeInfo {
   name: string;
   icon: string;
   placeholder: string;
+  placeholderZh?: string;
+  placeholderTh?: string;
   model?: string;
   requiresApiKey: boolean;
   defaultBaseUrl?: string;
@@ -124,7 +126,7 @@ export const PROVIDER_TYPE_INFO: ProviderTypeInfo[] = [
   {
     id: 'anthropic',
     name: 'Anthropic',
-    icon: 'A',
+    icon: '🤖',
     placeholder: 'sk-ant-api03-...',
     model: 'Claude',
     requiresApiKey: true,
@@ -133,7 +135,7 @@ export const PROVIDER_TYPE_INFO: ProviderTypeInfo[] = [
   {
     id: 'openai',
     name: 'OpenAI',
-    icon: 'O',
+    icon: '💚',
     placeholder: 'sk-proj-...',
     model: 'GPT',
     requiresApiKey: true,
@@ -148,7 +150,7 @@ export const PROVIDER_TYPE_INFO: ProviderTypeInfo[] = [
   {
     id: 'google',
     name: 'Google',
-    icon: 'G',
+    icon: '🔷',
     placeholder: 'AIza...',
     model: 'Gemini',
     requiresApiKey: true,
@@ -163,7 +165,7 @@ export const PROVIDER_TYPE_INFO: ProviderTypeInfo[] = [
   {
     id: 'openrouter',
     name: 'OpenRouter',
-    icon: 'R',
+    icon: '🌐',
     placeholder: 'sk-or-v1-...',
     model: 'Multi-Model',
     requiresApiKey: true,
@@ -175,7 +177,7 @@ export const PROVIDER_TYPE_INFO: ProviderTypeInfo[] = [
   {
     id: 'minimax-portal-cn',
     name: 'MiniMax (CN)',
-    icon: 'M',
+    icon: '☁️',
     placeholder: 'sk-...',
     model: 'MiniMax',
     requiresApiKey: false,
@@ -192,7 +194,7 @@ export const PROVIDER_TYPE_INFO: ProviderTypeInfo[] = [
   {
     id: 'moonshot',
     name: 'Moonshot (CN)',
-    icon: 'K',
+    icon: '🌙',
     placeholder: 'sk-...',
     model: 'Kimi',
     requiresApiKey: true,
@@ -203,7 +205,7 @@ export const PROVIDER_TYPE_INFO: ProviderTypeInfo[] = [
   {
     id: 'siliconflow',
     name: 'SiliconFlow (CN)',
-    icon: 'S',
+    icon: '🌊',
     placeholder: 'sk-...',
     model: 'Multi-Model',
     requiresApiKey: true,
@@ -217,7 +219,7 @@ export const PROVIDER_TYPE_INFO: ProviderTypeInfo[] = [
   {
     id: 'deepseek',
     name: 'DeepSeek',
-    icon: 'D',
+    icon: '🐋',
     placeholder: 'sk-...',
     model: 'DeepSeek',
     requiresApiKey: true,
@@ -231,7 +233,7 @@ export const PROVIDER_TYPE_INFO: ProviderTypeInfo[] = [
   {
     id: 'minimax-portal',
     name: 'MiniMax (Global)',
-    icon: 'M',
+    icon: '☁️',
     placeholder: 'sk-...',
     model: 'MiniMax',
     requiresApiKey: false,
@@ -248,7 +250,7 @@ export const PROVIDER_TYPE_INFO: ProviderTypeInfo[] = [
   {
     id: 'modelstudio',
     name: 'Model Studio',
-    icon: 'Q',
+    icon: '☁️',
     placeholder: 'sk-...',
     model: 'Qwen',
     requiresApiKey: true,
@@ -264,7 +266,7 @@ export const PROVIDER_TYPE_INFO: ProviderTypeInfo[] = [
   {
     id: 'ark',
     name: 'ByteDance Ark',
-    icon: 'B',
+    icon: 'A',
     placeholder: 'your-ark-api-key',
     model: 'Doubao',
     requiresApiKey: true,
@@ -280,8 +282,10 @@ export const PROVIDER_TYPE_INFO: ProviderTypeInfo[] = [
   {
     id: 'ollama',
     name: 'Ollama',
-    icon: 'L',
+    icon: '🦙',
     placeholder: 'Not required',
+    placeholderZh: '无需填写',
+    placeholderTh: 'ไม่ต้องกรอก',
     requiresApiKey: false,
     defaultBaseUrl: 'http://localhost:11434/v1',
     showBaseUrl: true,
@@ -291,8 +295,10 @@ export const PROVIDER_TYPE_INFO: ProviderTypeInfo[] = [
   {
     id: 'custom',
     name: 'Custom',
-    icon: 'C',
+    icon: '⚙️',
     placeholder: 'API key...',
+    placeholderZh: 'API Key...',
+    placeholderTh: 'API Key...',
     requiresApiKey: true,
     showBaseUrl: true,
     showModelId: true,
@@ -329,6 +335,22 @@ export function getProviderDocsUrl(
   return provider.docsUrl;
 }
 
+export function getProviderPlaceholder(
+  provider: Pick<ProviderTypeInfo, 'placeholder' | 'placeholderZh' | 'placeholderTh'> | undefined,
+  language: string,
+): string | undefined {
+  if (!provider?.placeholder) {
+    return undefined;
+  }
+  if (language.startsWith('zh') && provider.placeholderZh) {
+    return provider.placeholderZh;
+  }
+  if (language.startsWith('th') && provider.placeholderTh) {
+    return provider.placeholderTh;
+  }
+  return provider.placeholder;
+}
+
 export function shouldShowProviderModelId(
   provider: Pick<ProviderTypeInfo, 'showModelId' | 'showModelIdInDevModeOnly'> | undefined,
   devModeUnlocked: boolean,
diff --git a/runtime-shared/lib/task-types.ts b/runtime-shared/lib/task-types.ts
deleted file mode 100644
index f029bc3..0000000
--- a/runtime-shared/lib/task-types.ts
+++ /dev/null
@@ -1,40 +0,0 @@
-export type SubTaskStatus = 'pending' | 'running' | 'success' | 'failed';
-
-export interface SubTask {
-  id: string;
-  taskId: string;
-  scriptId: string;
-  name: string;
-  status: SubTaskStatus;
-  progress: number;
-  message: string;
-  stdoutTail: string;
-  stderrTail: string;
-  error?: string;
-  startedAt: string;
-  completedAt?: string;
-}
-
-export type TaskStatus = 'pending' | 'running' | 'success' | 'partial_failed' | 'failed';
-
-export interface Task {
-  id: string;
-  title: string;
-  operation: 'open' | 'close';
-  roomType: string;
-  dateRange: [string, string];
-  status: TaskStatus;
-  subTasks: SubTask[];
-  roomList: any[];
-  createdAt: string;
-  updatedAt: string;
-}
-
-export interface TaskProgressPayload {
-  taskId: string;
-  subTaskId: string;
-  progress?: number;
-  message?: string;
-  stdoutTail?: string;
-  stderrTail?: string;
-}
diff --git a/runtime-shared/locales/messages.ts b/runtime-shared/locales/messages.ts
deleted file mode 100644
index 40b5739..0000000
--- a/runtime-shared/locales/messages.ts
+++ /dev/null
@@ -1,99 +0,0 @@
-export type RuntimeMessageTree = {
-  [key: string]: string | number | RuntimeMessageTree;
-};
-
-export const runtimeLocaleMessages: Record<'en' | 'zh' | 'th', RuntimeMessageTree> = {
-  en: {
-    settings: {
-      title: 'Settings',
-    },
-    menu: {
-      conversation: {
-        newConversation: 'New Conversation',
-        sortBy: 'Sort By',
-        sortByCreateTime: 'Sort by Creation Time',
-        sortByUpdateTime: 'Sort by Update Time',
-        sortByName: 'Sort by Name',
-        sortByModel: 'Sort by Model',
-        sortAscending: 'Ascending',
-        sortDescending: 'Descending',
-        pinConversation: 'Pin Conversation',
-        renameConversation: 'Rename Conversation',
-        delConversation: 'Delete Conversation',
-        batchOperations: 'Batch Operations',
-      },
-      message: {
-        copyMessage: 'Copy Message',
-        deleteMessage: 'Delete Message',
-        selectMessage: 'Select Message',
-      },
-    },
-    tray: {
-      tooltip: 'ZN-AI',
-      showWindow: 'Show Window',
-      exit: 'Exit',
-    },
-  },
-  zh: {
-    settings: {
-      title: '\u8bbe\u7f6e',
-    },
-    menu: {
-      conversation: {
-        newConversation: '\u65b0\u5efa\u5bf9\u8bdd',
-        sortBy: '\u6392\u5e8f\u65b9\u5f0f',
-        sortByCreateTime: '\u6309\u521b\u5efa\u65f6\u95f4\u6392\u5e8f',
-        sortByUpdateTime: '\u6309\u66f4\u65b0\u65f6\u95f4\u6392\u5e8f',
-        sortByName: '\u6309\u540d\u79f0\u6392\u5e8f',
-        sortByModel: '\u6309\u6a21\u578b\u6392\u5e8f',
-        sortAscending: '\u9012\u589e',
-        sortDescending: '\u9012\u51cf',
-        pinConversation: '\u7f6e\u9876\u5bf9\u8bdd',
-        renameConversation: '\u91cd\u547d\u540d\u5bf9\u8bdd',
-        delConversation: '\u5220\u9664\u5bf9\u8bdd',
-        batchOperations: '\u6279\u91cf\u64cd\u4f5c',
-      },
-      message: {
-        copyMessage: '\u590d\u5236\u6d88\u606f',
-        deleteMessage: '\u5220\u9664\u6d88\u606f',
-        selectMessage: '\u9009\u62e9\u6d88\u606f',
-      },
-    },
-    tray: {
-      tooltip: 'ZN-AI',
-      showWindow: '\u663e\u793a\u7a97\u53e3',
-      exit: '\u9000\u51fa',
-    },
-  },
-  th: {
-    settings: {
-      title: '\u0e15\u0e31\u0e49\u0e07\u0e04\u0e48\u0e32',
-    },
-    menu: {
-      conversation: {
-        newConversation: '\u0e01\u0e32\u0e23\u0e2a\u0e19\u0e17\u0e19\u0e32\u0e43\u0e2b\u0e21\u0e48',
-        sortBy: '\u0e08\u0e31\u0e14\u0e40\u0e23\u0e35\u0e22\u0e07\u0e15\u0e32\u0e21',
-        sortByCreateTime: '\u0e08\u0e31\u0e14\u0e40\u0e23\u0e35\u0e22\u0e07\u0e15\u0e32\u0e21\u0e40\u0e27\u0e25\u0e32\u0e2a\u0e23\u0e49\u0e32\u0e07',
-        sortByUpdateTime: '\u0e08\u0e31\u0e14\u0e40\u0e23\u0e35\u0e22\u0e07\u0e15\u0e32\u0e21\u0e40\u0e27\u0e25\u0e32\u0e2d\u0e31\u0e1b\u0e40\u0e14\u0e15',
-        sortByName: '\u0e08\u0e31\u0e14\u0e40\u0e23\u0e35\u0e22\u0e07\u0e15\u0e32\u0e21\u0e0a\u0e37\u0e48\u0e2d',
-        sortByModel: '\u0e08\u0e31\u0e14\u0e40\u0e23\u0e35\u0e22\u0e07\u0e15\u0e32\u0e21\u0e42\u0e21\u0e40\u0e14\u0e25',
-        sortAscending: '\u0e40\u0e23\u0e35\u0e22\u0e07\u0e08\u0e32\u0e01\u0e19\u0e49\u0e2d\u0e22\u0e44\u0e1b\u0e21\u0e32\u0e01',
-        sortDescending: '\u0e40\u0e23\u0e35\u0e22\u0e07\u0e08\u0e32\u0e01\u0e21\u0e32\u0e01\u0e44\u0e1b\u0e19\u0e49\u0e2d\u0e22',
-        pinConversation: '\u0e1b\u0e31\u0e01\u0e2b\u0e21\u0e38\u0e14\u0e01\u0e32\u0e23\u0e2a\u0e19\u0e17\u0e19\u0e32',
-        renameConversation: '\u0e40\u0e1b\u0e25\u0e35\u0e48\u0e22\u0e19\u0e0a\u0e37\u0e48\u0e2d\u0e01\u0e32\u0e23\u0e2a\u0e19\u0e17\u0e19\u0e32',
-        delConversation: '\u0e25\u0e1a\u0e01\u0e32\u0e23\u0e2a\u0e19\u0e17\u0e19\u0e32',
-        batchOperations: '\u0e14\u0e33\u0e40\u0e19\u0e34\u0e19\u0e01\u0e32\u0e23\u0e41\u0e1a\u0e1a\u0e01\u0e25\u0e38\u0e48\u0e21',
-      },
-      message: {
-        copyMessage: '\u0e04\u0e31\u0e14\u0e25\u0e2d\u0e01\u0e02\u0e49\u0e2d\u0e04\u0e27\u0e32\u0e21',
-        deleteMessage: '\u0e25\u0e1a\u0e02\u0e49\u0e2d\u0e04\u0e27\u0e32\u0e21',
-        selectMessage: '\u0e40\u0e25\u0e37\u0e2d\u0e01\u0e02\u0e49\u0e2d\u0e04\u0e27\u0e32\u0e21',
-      },
-    },
-    tray: {
-      tooltip: 'ZN-AI',
-      showWindow: '\u0e41\u0e2a\u0e14\u0e07\u0e2b\u0e19\u0e49\u0e32\u0e15\u0e48\u0e32\u0e07',
-      exit: '\u0e2d\u0e2d\u0e01',
-    },
-  },
-};
diff --git a/src/lib/constants.ts b/src/lib/constants.ts
index fcaf701..23f8ba6 100644
--- a/src/lib/constants.ts
+++ b/src/lib/constants.ts
@@ -1,30 +1,7 @@
-import { CONFIG_KEYS as RUNTIME_CONFIG_KEYS } from '../types/runtime';
-
-export const IPC_EVENTS = {
-  HOST_API_FETCH: 'hostapi:fetch',
-  GATEWAY_RPC: 'gateway:rpc',
-  GATEWAY_EVENT: 'gateway:event',
-  GET_CONFIG: 'get-config',
-  SET_CONFIG: 'set-config',
-  GET_THEME_MODE: 'get-theme-mode',
-  SET_THEME_MODE: 'set-theme-mode',
-  THEME_MODE_UPDATED: 'theme-mode-updated',
-  TASK_PROGRESS: 'task:progress',
-  TASK_STARTED: 'task:started',
-  TASK_COMPLETED: 'task:completed',
-  OPEN_CHANNEL: 'open-channel',
-  EXECUTE_SCRIPT: 'execute-script',
-} as const;
-
-export const CONFIG_KEYS = RUNTIME_CONFIG_KEYS;
-
-export const WINDOW_NAMES = {
-  MAIN: 'main',
-  SETTING: 'setting',
-  DIALOG: 'dialog',
-  LOADING: 'loading',
-} as const;
-
-export const DEFAULT_THEME_MODE = 'system' as const;
-
-export const DEFAULT_LANGUAGE = 'zh' as const;
+export {
+  CONFIG_KEYS,
+  DEFAULT_LANGUAGE,
+  DEFAULT_THEME_MODE,
+  IPC_EVENTS,
+  WINDOW_NAMES,
+} from '../../runtime-shared/lib/constants';
diff --git a/src/lib/providers.ts b/src/lib/providers.ts
index 247783f..98db146 100644
--- a/src/lib/providers.ts
+++ b/src/lib/providers.ts
@@ -1,261 +1 @@
-import type { LanguageCode } from '../types/runtime';
-
-export const PROVIDER_TYPES = [
-  'anthropic',
-  'openai',
-  'google',
-  'openrouter',
-  'ark',
-  'moonshot',
-  'siliconflow',
-  'deepseek',
-  'minimax-portal',
-  'minimax-portal-cn',
-  'modelstudio',
-  'ollama',
-  'custom',
-] as const;
-export type ProviderType = (typeof PROVIDER_TYPES)[number];
-
-export const BUILTIN_PROVIDER_TYPES = [
-  'anthropic',
-  'openai',
-  'google',
-  'openrouter',
-  'ark',
-  'moonshot',
-  'siliconflow',
-  'deepseek',
-  'minimax-portal',
-  'minimax-portal-cn',
-  'modelstudio',
-  'ollama',
-] as const;
-
-export const OLLAMA_PLACEHOLDER_API_KEY = 'ollama-local';
-
-export interface ProviderConfig {
-  id: string;
-  name: string;
-  type: ProviderType;
-  baseUrl?: string;
-  apiProtocol?: 'openai-completions' | 'openai-responses' | 'anthropic-messages';
-  headers?: Record<string, string>;
-  model?: string;
-  fallbackModels?: string[];
-  fallbackProviderIds?: string[];
-  enabled: boolean;
-  createdAt: string;
-  updatedAt: string;
-}
-
-export interface ProviderWithKeyInfo extends ProviderConfig {
-  hasKey: boolean;
-  keyMasked: string | null;
-}
-
-export interface ProviderTypeInfo {
-  id: ProviderType;
-  name: string;
-  icon: string;
-  placeholder: string;
-  placeholderZh?: string;
-  placeholderTh?: string;
-  model?: string;
-  requiresApiKey: boolean;
-  defaultBaseUrl?: string;
-  showBaseUrl?: boolean;
-  showModelId?: boolean;
-  showModelIdInDevModeOnly?: boolean;
-  modelIdPlaceholder?: string;
-  defaultModelId?: string;
-  isOAuth?: boolean;
-  supportsApiKey?: boolean;
-  apiKeyUrl?: string;
-  docsUrl?: string;
-  docsUrlZh?: string;
-  codePlanPresetBaseUrl?: string;
-  codePlanPresetModelId?: string;
-  codePlanDocsUrl?: string;
-  hidden?: boolean;
-}
-
-export type ProviderAuthMode =
-  | 'api_key'
-  | 'oauth_device'
-  | 'oauth_browser'
-  | 'local';
-
-export type ProviderVendorCategory =
-  | 'official'
-  | 'compatible'
-  | 'local'
-  | 'custom';
-
-export interface ProviderVendorInfo extends ProviderTypeInfo {
-  category: ProviderVendorCategory;
-  envVar?: string;
-  supportedAuthModes: ProviderAuthMode[];
-  defaultAuthMode: ProviderAuthMode;
-  supportsMultipleAccounts: boolean;
-}
-
-export interface ProviderAccount {
-  id: string;
-  vendorId: ProviderType;
-  label: string;
-  authMode: ProviderAuthMode;
-  baseUrl?: string;
-  apiProtocol?: 'openai-completions' | 'openai-responses' | 'anthropic-messages';
-  headers?: Record<string, string>;
-  model?: string;
-  fallbackModels?: string[];
-  fallbackAccountIds?: string[];
-  enabled: boolean;
-  isDefault: boolean;
-  metadata?: {
-    region?: string;
-    email?: string;
-    resourceUrl?: string;
-    customModels?: string[];
-  };
-  createdAt: string;
-  updatedAt: string;
-}
-
-export const PROVIDER_TYPE_INFO: ProviderTypeInfo[] = [
-  {
-    id: 'anthropic',
-    name: 'Anthropic',
-    icon: '🤖',
-    placeholder: 'sk-ant-api03-...',
-    model: 'Claude',
-    requiresApiKey: true,
-    docsUrl: 'https://platform.claude.com/docs/en/api/overview',
-  },
-  {
-    id: 'openai',
-    name: 'OpenAI',
-    icon: '💚',
-    placeholder: 'sk-proj-...',
-    model: 'GPT',
-    requiresApiKey: true,
-    isOAuth: true,
-    supportsApiKey: true,
-    defaultModelId: 'gpt-5.4',
-    showModelId: true,
-    showModelIdInDevModeOnly: true,
-    modelIdPlaceholder: 'gpt-5.4',
-    apiKeyUrl: 'https://platform.openai.com/api-keys',
-  },
-  {
-    id: 'google',
-    name: 'Google',
-    icon: '🔷',
-    placeholder: 'AIza...',
-    model: 'Gemini',
-    requiresApiKey: true,
-    isOAuth: true,
-    supportsApiKey: true,
-    defaultModelId: 'gemini-3-pro-preview',
-    showModelId: true,
-    showModelIdInDevModeOnly: true,
-    modelIdPlaceholder: 'gemini-3-pro-preview',
-    apiKeyUrl: 'https://aistudio.google.com/app/apikey',
-  },
-  { id: 'openrouter', name: 'OpenRouter', icon: '🌐', placeholder: 'sk-or-v1-...', model: 'Multi-Model', requiresApiKey: true, showModelId: true, modelIdPlaceholder: 'openai/gpt-5.4', defaultModelId: 'openai/gpt-5.4', docsUrl: 'https://openrouter.ai/models' },
-  { id: 'minimax-portal-cn', name: 'MiniMax (CN)', icon: '☁️', placeholder: 'sk-...', model: 'MiniMax', requiresApiKey: false, isOAuth: true, supportsApiKey: true, defaultBaseUrl: 'https://api.minimaxi.com/v1', apiProtocol: 'openai-completions', defaultModelId: 'MiniMax-M2.7', showModelId: true, showModelIdInDevModeOnly: true, modelIdPlaceholder: 'MiniMax-M2.7', apiKeyUrl: 'https://platform.minimaxi.com/' },
-  { id: 'moonshot', name: 'Moonshot (CN)', icon: '🌙', placeholder: 'sk-...', model: 'Kimi', requiresApiKey: true, defaultBaseUrl: 'https://api.moonshot.cn/v1', defaultModelId: 'kimi-k2.5', docsUrl: 'https://platform.moonshot.cn/' },
-  { id: 'siliconflow', name: 'SiliconFlow (CN)', icon: '🌊', placeholder: 'sk-...', model: 'Multi-Model', requiresApiKey: true, defaultBaseUrl: 'https://api.siliconflow.cn/v1', showModelId: true, showModelIdInDevModeOnly: true, modelIdPlaceholder: 'deepseek-ai/DeepSeek-V3', defaultModelId: 'deepseek-ai/DeepSeek-V3', docsUrl: 'https://docs.siliconflow.cn/cn/userguide/introduction' },
-  { id: 'deepseek', name: 'DeepSeek', icon: '🐋', placeholder: 'sk-...', model: 'DeepSeek', requiresApiKey: true, defaultBaseUrl: 'https://api.deepseek.com/v1', showModelId: true, modelIdPlaceholder: 'deepseek-chat', defaultModelId: 'deepseek-chat', apiKeyUrl: 'https://platform.deepseek.com/api_keys', docsUrl: 'https://api-docs.deepseek.com/' },
-  { id: 'minimax-portal', name: 'MiniMax (Global)', icon: '☁️', placeholder: 'sk-...', model: 'MiniMax', requiresApiKey: false, isOAuth: true, supportsApiKey: true, defaultBaseUrl: 'https://api.minimax.io/v1', apiProtocol: 'openai-completions', defaultModelId: 'MiniMax-M2.7', showModelId: true, showModelIdInDevModeOnly: true, modelIdPlaceholder: 'MiniMax-M2.7', apiKeyUrl: 'https://platform.minimax.io' },
-  { id: 'modelstudio', name: 'Model Studio', icon: '☁️', placeholder: 'sk-...', model: 'Qwen', requiresApiKey: true, defaultBaseUrl: 'https://coding.dashscope.aliyuncs.com/v1', showBaseUrl: true, defaultModelId: 'qwen3.5-plus', showModelId: true, showModelIdInDevModeOnly: true, modelIdPlaceholder: 'qwen3.5-plus', apiKeyUrl: 'https://bailian.console.aliyun.com/', hidden: true },
-  { id: 'ark', name: 'ByteDance Ark', icon: 'A', placeholder: 'your-ark-api-key', model: 'Doubao', requiresApiKey: true, defaultBaseUrl: 'https://ark.cn-beijing.volces.com/api/v3', showBaseUrl: true, showModelId: true, modelIdPlaceholder: 'ep-20260228000000-xxxxx', docsUrl: 'https://www.volcengine.com/', codePlanPresetBaseUrl: 'https://ark.cn-beijing.volces.com/api/coding/v3', codePlanPresetModelId: 'ark-code-latest', codePlanDocsUrl: 'https://www.volcengine.com/docs/82379/1928261?lang=zh' },
-  { id: 'ollama', name: 'Ollama', icon: '🦙', placeholder: 'Not required', placeholderZh: '无需填写', placeholderTh: 'ไม่ต้องกรอก', requiresApiKey: false, defaultBaseUrl: 'http://localhost:11434/v1', showBaseUrl: true, showModelId: true, modelIdPlaceholder: 'qwen3:latest' },
-  {
-    id: 'custom',
-    name: 'Custom',
-    icon: '⚙️',
-    placeholder: 'API key...',
-    placeholderZh: 'API Key...',
-    placeholderTh: 'API Key...',
-    requiresApiKey: true,
-    showBaseUrl: true,
-    showModelId: true,
-    modelIdPlaceholder: 'your-provider/model-id',
-    docsUrl: 'https://icnnp7d0dymg.feishu.cn/wiki/BmiLwGBcEiloZDkdYnGc8RWnn6d#Ee1ldfvKJoVGvfxc32mcILwenth',
-    docsUrlZh: 'https://icnnp7d0dymg.feishu.cn/wiki/BmiLwGBcEiloZDkdYnGc8RWnn6d#IWQCdfe5fobGU3xf3UGcgbLynGh',
-  },
-];
-
-export function getProviderIconUrl(_type: ProviderType | string): string | undefined {
-  return undefined;
-}
-
-export function shouldInvertInDark(_type: ProviderType | string): boolean {
-  return true;
-}
-
-export const SETUP_PROVIDERS = PROVIDER_TYPE_INFO;
-
-export function getProviderTypeInfo(type: ProviderType): ProviderTypeInfo | undefined {
-  return PROVIDER_TYPE_INFO.find((providerType) => providerType.id === type);
-}
-
-export function getProviderDocsUrl(
-  provider: Pick<ProviderTypeInfo, 'docsUrl' | 'docsUrlZh'> | undefined,
-  language: string | LanguageCode,
-): string | undefined {
-  if (!provider?.docsUrl) {
-    return undefined;
-  }
-  if (language.startsWith('zh') && provider.docsUrlZh) {
-    return provider.docsUrlZh;
-  }
-  return provider.docsUrl;
-}
-
-export function getProviderPlaceholder(
-  provider: Pick<ProviderTypeInfo, 'placeholder' | 'placeholderZh' | 'placeholderTh'> | undefined,
-  language: string | LanguageCode,
-): string | undefined {
-  if (!provider?.placeholder) {
-    return undefined;
-  }
-  if (language.startsWith('zh') && provider.placeholderZh) {
-    return provider.placeholderZh;
-  }
-  if (language.startsWith('th') && provider.placeholderTh) {
-    return provider.placeholderTh;
-  }
-  return provider.placeholder;
-}
-
-export function shouldShowProviderModelId(
-  provider: Pick<ProviderTypeInfo, 'showModelId' | 'showModelIdInDevModeOnly'> | undefined,
-  devModeUnlocked: boolean,
-): boolean {
-  if (!provider?.showModelId) return false;
-  if (provider.showModelIdInDevModeOnly && !devModeUnlocked) return false;
-  return true;
-}
-
-export function resolveProviderModelForSave(
-  provider: Pick<ProviderTypeInfo, 'defaultModelId' | 'showModelId' | 'showModelIdInDevModeOnly'> | undefined,
-  modelId: string,
-  devModeUnlocked: boolean,
-): string | undefined {
-  if (!shouldShowProviderModelId(provider, devModeUnlocked)) {
-    return undefined;
-  }
-  const trimmedModelId = modelId.trim();
-  return trimmedModelId || provider?.defaultModelId || undefined;
-}
-
-export function resolveProviderApiKeyForSave(type: ProviderType | string, apiKey: string): string | undefined {
-  const trimmed = apiKey.trim();
-  if (type === 'ollama') {
-    return trimmed || OLLAMA_PLACEHOLDER_API_KEY;
-  }
-  return trimmed || undefined;
-}
+export * from '../../runtime-shared/lib/providers';
diff --git a/src/shared/chat-model.ts b/src/shared/chat-model.ts
index 9f60973..e3b371e 100644
--- a/src/shared/chat-model.ts
+++ b/src/shared/chat-model.ts
@@ -1,173 +1 @@
-export interface AttachedFileMeta {
-  fileName: string;
-  mimeType: string;
-  fileSize: number;
-  preview: string | null;
-  filePath?: string;
-  source?: 'user-upload' | 'tool-result' | 'message-ref';
-}
-
-export interface ContentBlockSource {
-  type: string;
-  media_type?: string;
-  data?: string;
-  url?: string;
-}
-
-export interface ContentBlock {
-  type: 'text' | 'image' | 'thinking' | 'tool_use' | 'tool_result' | 'toolCall' | 'toolResult';
-  text?: string;
-  thinking?: string;
-  source?: ContentBlockSource;
-  data?: string;
-  mimeType?: string;
-  id?: string;
-  name?: string;
-  input?: unknown;
-  arguments?: unknown;
-  content?: string | ContentBlock[];
-}
-
-export type RawMessageRole = 'user' | 'assistant' | 'system' | 'toolresult' | 'tool_result';
-
-export interface RawMessage {
-  role: RawMessageRole;
-  content: string | ContentBlock[];
-  timestamp?: number;
-  id?: string;
-  toolCallId?: string;
-  toolName?: string;
-  details?: unknown;
-  isError?: boolean;
-  question?: string[];
-  toolCall?: Record<string, unknown> | null;
-  _attachedFiles?: AttachedFileMeta[];
-}
-
-export interface ToolStatus {
-  id?: string;
-  toolCallId?: string;
-  name: string;
-  status: 'running' | 'completed' | 'error';
-  durationMs?: number;
-  summary?: string;
-  updatedAt: number;
-}
-
-export interface ChatSession {
-  key: string;
-  label?: string;
-  displayName?: string;
-  thinkingLevel?: string;
-  model?: string;
-  updatedAt?: number;
-}
-
-export function extractText(message?: RawMessage | null): string {
-  if (!message) return '';
-
-  if (typeof message.content === 'string') {
-    return message.content;
-  }
-
-  return message.content
-    .filter((block) => block.type === 'text' && typeof block.text === 'string')
-    .map((block) => block.text ?? '')
-    .join('\n');
-}
-
-export function extractThinking(message?: RawMessage | null): string | null {
-  if (!message || !Array.isArray(message.content)) return null;
-
-  const thinkingBlock = message.content.find((block) => block.type === 'thinking');
-  return thinkingBlock?.thinking ?? null;
-}
-
-export function extractImages(message?: RawMessage | null): Array<{ url?: string; data?: string; mimeType: string }> {
-  if (!message || !Array.isArray(message.content)) return [];
-
-  const images: Array<{ url?: string; data?: string; mimeType: string }> = [];
-
-  for (const block of message.content) {
-    if (block.type === 'image') {
-      if (block.source?.type === 'base64' && block.source.data) {
-        images.push({
-          data: block.source.data,
-          mimeType: block.source.media_type || 'image/jpeg',
-        });
-      } else if (block.source?.type === 'url' && block.source.url) {
-        images.push({
-          url: block.source.url,
-          mimeType: block.source.media_type || 'image/jpeg',
-        });
-      } else if (block.data) {
-        images.push({
-          data: block.data,
-          mimeType: block.mimeType || 'image/jpeg',
-        });
-      }
-    }
-
-    if ((block.type === 'tool_result' || block.type === 'toolResult') && Array.isArray(block.content)) {
-      images.push(...extractImages({ role: 'toolresult', content: block.content }));
-    }
-  }
-
-  return images;
-}
-
-export function extractToolUse(message?: RawMessage | null): Array<{ id?: string; name: string; input?: unknown }> {
-  if (!message || !Array.isArray(message.content)) return [];
-
-  return message.content
-    .filter((block) => block.type === 'tool_use' || block.type === 'toolCall')
-    .map((block) => ({
-      id: block.id,
-      name: block.name || block.id || 'tool',
-      input: block.input ?? block.arguments,
-    }));
-}
-
-export function formatTimestamp(ts?: number): string {
-  if (!ts) return '';
-
-  const ms = ts < 1e12 ? ts * 1000 : ts;
-  return new Date(ms).toLocaleString();
-}
-
-export function isToolResultRole(role?: string): boolean {
-  if (!role) return false;
-
-  const normalized = role.toLowerCase();
-  return normalized === 'toolresult' || normalized === 'tool_result';
-}
-
-export function isToolOnlyMessage(message?: RawMessage): boolean {
-  if (!message) return false;
-  if (isToolResultRole(message.role)) return true;
-  if (!Array.isArray(message.content)) return false;
-
-  const hasToolBlock = message.content.some((block) =>
-    ['tool_use', 'tool_result', 'toolCall', 'toolResult'].includes(block.type),
-  );
-  const hasTextBlock = message.content.some((block) => block.type === 'text' && block.text?.trim());
-  const hasImageBlock = message.content.some((block) => block.type === 'image');
-
-  return hasToolBlock && !hasTextBlock && !hasImageBlock;
-}
-
-export function isInternalMessage(message: { role?: string; content?: unknown }): boolean {
-  if (message.role === 'system') return true;
-
-  if (message.role === 'assistant') {
-    const text = typeof message.content === 'string'
-      ? message.content
-      : extractText(message as RawMessage);
-
-    if (/^(HEARTBEAT_OK|NO_REPLY)\s*$/.test(text)) {
-      return true;
-    }
-  }
-
-  return false;
-}
+export * from '../../runtime-shared/shared/chat-model';
diff --git a/src/types/runtime.ts b/src/types/runtime.ts
index 7d2262e..cb2974c 100644
--- a/src/types/runtime.ts
+++ b/src/types/runtime.ts
@@ -1,5 +1,6 @@
 import type { Task } from '../lib/task-types';
 import type { RawMessage } from '../shared/chat-model';
+import { CONFIG_KEYS } from '../../runtime-shared/lib/constants';
 
 export type RuntimeRefreshTopic =
   | 'providers'
@@ -20,21 +21,6 @@ export type IpcArgs = readonly unknown[];
 
 export type IpcListener = (...args: unknown[]) => void;
 
-export const CONFIG_KEYS = {
-  THEME_MODE: 'themeMode',
-  PRIMARY_COLOR: 'primaryColor',
-  LANGUAGE: 'language',
-  FONT_SIZE: 'fontSize',
-  MINIMIZE_TO_TRAY: 'minimizeToTray',
-  LAUNCH_AT_STARTUP: 'launchAtStartup',
-  PROVIDER: 'provider',
-  DEFAULT_MODEL: 'defaultModel',
-  GATEWAY_AUTO_START: 'gatewayAutoStart',
-  SELECTED_CHANNELS: 'selectedChannels',
-  IMAGE_CACHE: 'imageCache',
-  TASK_LIST: 'taskList',
-} as const;
-
 export type ConfigKey = (typeof CONFIG_KEYS)[keyof typeof CONFIG_KEYS];
 
 export type ConfigValueKey = keyof ConfigValueMap;