feat(logging): add logging middleware for HTTP requests and update API timeout

- Introduce LoggingMiddleware to log incoming requests and their response times
- Update AppModule to apply the new logging middleware globally
- Increase API request timeout from 10 seconds to 60 seconds
- Modify PromptString to include additional project types of interest

frontend/src/utils/api.ts

@@ -6,7 +6,7 @@ import axios from 'axios'
  */
 const api = axios.create({
   baseURL: 'http://localhost:3000', // 设置后端服务地址
-  timeout: 10000, // 请求超时时间
+  timeout: 60000, // 请求超时时间（60秒）
 })
 
 // 请求拦截器

src/ai/Prompt.ts

@@ -1 +1 @@
-export const PromptString: string = `先给我说你统计了多少个项目。我只对辽宁、山东、江苏、浙江、福建、广东、广西、海南、河北这些地方的海上风电、海上光伏、漂浮式光伏、滩涂光伏、滩涂风电、渔光互补项目感兴趣。从我提供的这些工程里面找到我感兴趣的工程，无论如何至少推荐10个工程。如果没有推荐的，也要给出思考过程。`;
+export const PromptString: string = `先给我说你统计了多少个项目。我只对辽宁、山东、江苏、浙江、福建、广东、广西、海南、河北这些地方的海上风电、海上光伏、漂浮式光伏、滩涂光伏、滩涂风电、渔光互补、风光互补项目感兴趣。从我提供的这些工程里面找到我感兴趣的工程，无论如何至少推荐10个工程。如果没有推荐的，也要给出思考过程。`;

src/app.module.ts

@@ -1,4 +1,4 @@
-import { Module } from '@nestjs/common';
+import { MiddlewareConsumer, Module, NestModule } from '@nestjs/common';
 import { ConfigModule } from '@nestjs/config';
 import { ScheduleModule } from '@nestjs/schedule';
 import { ServeStaticModule } from '@nestjs/serve-static';
@@ -9,6 +9,7 @@ import { KeywordsModule } from './keywords/keywords.module';
 import { CrawlerModule } from './crawler/crawler.module';
 import { TasksModule } from './schedule/schedule.module';
 import { LoggerModule } from './common/logger/logger.module';
+import { LoggingMiddleware } from './common/logger/logging.middleware';
 import { AiModule } from './ai/ai.module';
 
 @Module({
@@ -28,4 +29,8 @@ import { AiModule } from './ai/ai.module';
     AiModule,
   ],
 })
-export class AppModule {}
+export class AppModule implements NestModule {
+  configure(consumer: MiddlewareConsumer) {
+    consumer.apply(LoggingMiddleware).forRoutes('*');
+  }
+}

src/common/logger/logging.middleware.ts

@@ -0,0 +1,29 @@
+import { Injectable, NestMiddleware } from '@nestjs/common';
+import { Request, Response, NextFunction } from 'express';
+import { CustomLogger } from './logger.service';
+
+@Injectable()
+export class LoggingMiddleware implements NestMiddleware {
+  constructor(private readonly logger: CustomLogger) {
+    this.logger.setContext('HTTP');
+  }
+
+  use(req: Request, res: Response, next: NextFunction) {
+    const { method, originalUrl, ip } = req;
+    const userAgent = req.get('user-agent') || '';
+    const startTime = Date.now();
+
+    // 收到请求时立即输出
+    this.logger.debug(`--> ${method} ${originalUrl} - ${ip} - ${userAgent}`);
+
+    res.on('finish', () => {
+      const { statusCode } = res;
+      const duration = Date.now() - startTime;
+      this.logger.debug(
+        `<-- ${method} ${originalUrl} ${statusCode} - ${duration}ms`,
+      );
+    });
+
+    next();
+  }
+}

src/main.ts

@@ -1,3 +1,4 @@
+import 'dotenv/config';
 import { NestFactory } from '@nestjs/core';
 import { AppModule } from './app.module';
 import { CustomLogger } from './common/logger/logger.service';