feat: implement QuestionBank CRUD with pagination and template query

- Add pagination support to findAll (page, limit query params)
- Add findByTemplateId method to service
- Add GET /by-template/:templateId endpoint to controller
- Service already includes CRUD for QuestionBank and QuestionBankItem

server/src/feishu/dto/assessment-command.dto.ts

@@ -0,0 +1,36 @@
+/**
+ * Assessment Command DTO
+ * 定义飞书机器人测评命令的类型和接口
+ */
+
+export enum AssessmentCommandType {
+  START = 'start',
+  ANSWER = 'answer',
+  STATUS = 'status',
+  RESULT = 'result',
+  HELP = 'help',
+  CANCEL = 'cancel',
+}
+
+export interface AssessmentCommand {
+  type: AssessmentCommandType;
+  parameters: string[];
+  rawMessage: string;
+  timestamp: Date;
+}
+
+export class AssessmentCommandDto {
+  type: AssessmentCommandType;
+  parameters: string[];
+  rawMessage: string;
+
+  constructor(
+    type: AssessmentCommandType,
+    parameters: string[],
+    rawMessage: string,
+  ) {
+    this.type = type;
+    this.parameters = parameters;
+    this.rawMessage = rawMessage;
+  }
+}

server/src/feishu/dto/bind-bot.dto.ts

@@ -0,0 +1,11 @@
+import { IsString, IsNotEmpty, IsUUID } from 'class-validator';
+
+export class BindFeishuBotDto {
+  @IsUUID()
+  @IsNotEmpty()
+  botId: string;
+
+  @IsString()
+  @IsNotEmpty()
+  verificationCode?: string; // Optional: used to validate the binding relationship
+}

server/src/feishu/dto/create-bot.dto.ts

@@ -0,0 +1,35 @@
+import { IsString, IsNotEmpty, IsOptional, IsBoolean } from 'class-validator';
+
+export class CreateFeishuBotDto {
+  @IsString()
+  @IsNotEmpty()
+  appId: string;
+
+  @IsString()
+  @IsNotEmpty()
+  appSecret: string;
+
+  @IsString()
+  @IsOptional()
+  verificationToken?: string;
+
+  @IsString()
+  @IsOptional()
+  encryptKey?: string;
+
+  @IsString()
+  @IsOptional()
+  botName?: string;
+
+  @IsBoolean()
+  @IsOptional()
+  enabled?: boolean;
+
+  @IsString()
+  @IsOptional()
+  knowledgeBaseId?: string;
+
+  @IsString()
+  @IsOptional()
+  knowledgeGroupId?: string;
+}

server/src/feishu/dto/webhook.dto.ts

@@ -0,0 +1,20 @@
+import { IsString, IsOptional } from 'class-validator';
+
+export class CreateSignatureDto {
+  @IsString()
+  @IsOptional()
+  timestamp?: string;
+
+  @IsString()
+  @IsOptional()
+  nonce?: string;
+}
+
+export class VerifyWebhookDto {
+  @IsString()
+  token: string;
+
+  @IsString()
+  @IsOptional()
+  challenge?: string;
+}

server/src/feishu/dto/ws-status.dto.ts

@@ -0,0 +1,39 @@
+export enum ConnectionState {
+  DISCONNECTED = 'disconnected',
+  CONNECTING = 'connecting',
+  CONNECTED = 'connected',
+  ERROR = 'error',
+}
+
+export interface ConnectionStatus {
+  botId: string;
+  state: ConnectionState;
+  connectedAt?: Date;
+  lastHeartbeat?: Date;
+  error?: string;
+}
+
+export class WsStatusResponseDto {
+  botId: string;
+  state: ConnectionState;
+  connectedAt?: string;
+  lastHeartbeat?: string;
+  error?: string;
+}
+
+export class WsConnectResponseDto {
+  success: boolean;
+  botId: string;
+  status: ConnectionState | string;
+  error?: string;
+}
+
+export class WsDisconnectResponseDto {
+  success: boolean;
+  botId: string;
+  status: ConnectionState | string;
+}
+
+export class AllWsStatusResponseDto {
+  connections: WsStatusResponseDto[];
+}