refactor(core): restructure conversation, channel and message domains

- Rename chat module to conversation with flow-based architecture
- Move channelidentities into channel/identities subpackage
- Add channel/route for routing logic
- Add message service with event hub
- Add MCP providers: container, directory, schedule
- Refactor Feishu/Telegram adapters with directory and stream support
- Add platform management page and channel badges in web UI
- Update database schema for conversations, messages and channel routes
- Add @memoh/shared package for cross-package type definitions

packages/shared/README.md

@@ -0,0 +1 @@
+# @memoh/shared

packages/shared/package.json

@@ -0,0 +1,13 @@
+{
+  "name": "@memoh/shared",
+  "version": "1.0.0",
+  "description": "",
+  "exports": {
+    ".": "./src/index.ts"
+  },
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "packageManager": "pnpm@10.27.0"
+}

packages/shared/src/chatInfo.ts

@@ -0,0 +1,15 @@
+export interface robot{
+  description: string
+  time: Date,
+  id: string | number,
+  type: string,
+  action: 'robot',
+  state:'thinking'|'generate'|'complete'
+}
+
+export interface user{
+  description: string, 
+  time: Date, 
+  id: number | string,
+  action:'user'
+}

packages/shared/src/index.ts

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+export * from './model'
+export * from './schedule'
+export * from './platform'
+export * from './mcp'
+export * from './chatInfo'

packages/shared/src/mcp.ts

@@ -0,0 +1,48 @@
+export interface BaseMCPConnection {
+  type: string
+  name: string
+}
+
+export interface StdioMCPConnection extends BaseMCPConnection {
+  type: 'stdio'
+  command: string
+  args: string[]
+  env: Record<string, string>
+  cwd: string
+}
+
+export interface BaseHTTPMCPConnection extends BaseMCPConnection {
+  url: string
+  headers: Record<string, string>
+}
+
+export interface HTTPMCPConnection extends BaseHTTPMCPConnection {
+  type: 'http'
+}
+
+export interface SSEMCPConnection extends BaseHTTPMCPConnection {
+  type: 'sse'
+}
+
+export type MCPConnection =
+  | StdioMCPConnection
+  | HTTPMCPConnection
+  | SSEMCPConnection
+
+
+export interface MCPListItem{
+  id: string;
+  type: string;
+  name: string;
+  config: {
+    cwd: string;
+    env: Record<string, string>;
+    args: string[];
+    type: string;
+    command: string;
+  };
+  active: boolean;
+  user: string;
+  createdAt: string;
+  updatedAt: string;
+}

packages/shared/src/model.ts

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+export enum ModelClientType {
+  OPENAI = 'openai',
+  ANTHROPIC = 'anthropic',
+  GOOGLE = 'google',
+}
+
+export enum ModelType {
+  CHAT = 'chat',
+  EMBEDDING = 'embedding',
+}
+
+export interface BaseModel {
+  /**
+   * @description The unique identifier for the model
+   * @example 'gpt-4o'
+   */
+  modelId: string
+
+  /**
+   * @description The base URL for the model
+   * @example 'https://api.openai.com/v1'
+   */
+  baseUrl: string
+
+  /**
+   * @description The API key for the model
+   * @example 'sk-1234567890'
+   */
+  apiKey: string
+
+  /**
+   * @description The client type for the model
+   * @enum {ModelClientType}
+   */
+  clientType: ModelClientType
+
+  /**
+   * @description The display name for the model
+   * @example 'GPT 4o'
+   */
+  name?: string
+
+  /**
+   * @description The model type
+   * @enum {ModelType}
+   * @default {ModelType.CHAT}
+   */
+  type?: ModelType
+}
+
+export interface EmbeddingModel extends BaseModel {
+  type?: ModelType.EMBEDDING
+
+  /**
+   * @description The dimensions of the embedding
+   * @example 1536
+   */
+  dimensions: number
+}
+
+export interface ChatModel extends BaseModel {
+  type?: ModelType.CHAT
+}
+
+export type Model = EmbeddingModel | ChatModel
+
+
+/** Model row type for list/table views. */
+export interface ModelList {
+  apiKey: string,
+  baseUrl: string,
+  clientType: 'OpenAI' | 'Anthropic' | 'Google',
+  modelId: string,
+  name: string,
+  type: 'chat' | 'embedding',
+  id: string,
+  defaultChatModel: boolean,
+  defaultEmbeddingModel: boolean,
+  defaultSummaryModel: boolean
+}
+
+export interface ProviderInfo{
+  api_key: string;
+  base_url: string;
+  client_type: string;
+  metadata: Record<'additionalProp1',object>;
+  name: string;
+}
+
+export interface ModelInfo{
+  dimensions:number
+  is_multimodal:boolean
+  input?: string[]
+  llm_provider_id:string
+  model_id:string
+  name:string
+  type: string
+  enable_as?:string
+}
+
+export const clientType = ['openai', 'anthropic', 'google', 'ollama'] as const

packages/shared/src/platform.ts

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+export interface Platform {
+  id: string
+  name: string
+  // endpoint: string
+  config: Record<string, unknown>
+  active: boolean
+}

packages/shared/src/schedule.ts

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+export interface Schedule {
+  id?: string
+  pattern: string
+  name: string
+  description: string
+  command: string
+  maxCalls?: number | null
+}