feat: AI 择业顾问 MVP — 专业分析 + 岗位匹配 + 多轮对话

- backend: career-advice module with analyze/chat/positions endpoints - frontend: career.vue page with profile form, AI advice, recommendation cards - config/api/pages/user.vue: full integration into existing flow - docs: PROJECT-STATUS v4.5, FEATURE-LIST v4.3, ROADMAP v4.3 - AGENTS.md: updated module count and career link paths
2026-06-17 10:32:23 +08:00
parent 4cd889c081
commit a5c4bcb821
13 changed files with 788 additions and 240 deletions
@@ -27,6 +27,7 @@ import { TtsModule } from './modules/tts/tts.module'
 import { PricingModule } from './modules/schemas/pricing.module'
 import { ShareModule } from './modules/share/share.module'
 import { InterviewReviewModule } from './modules/interview-review/interview-review.module'
+import { CareerAdviceModule } from './modules/career-advice/career-advice.module'

 const MONGODB_URI = process.env.MONGODB_URI || 'mongodb://localhost:27017/zhiyin'

@@ -62,6 +63,7 @@ const MONGODB_URI = process.env.MONGODB_URI || 'mongodb://localhost:27017/zhiyin
    PricingModule,
    ShareModule,
    InterviewReviewModule,
+    CareerAdviceModule,
  ],
  providers: [
    JwtStrategy,
@@ -0,0 +1,37 @@
+import { Controller, Post, Get, Body } from "@nestjs/common"
+import { Public } from "../../common/decorators/public.decorator"
+import { CareerAdviceService, CareerProfile, ChatMessage } from "./career-advice.service"
+import { CurrentUser } from "../../common/decorators/current-user.decorator"
+
+@Controller("career-advice")
+export class CareerAdviceController {
+  constructor(private service: CareerAdviceService) {}
+
+  @Post("analyze")
+  async analyze(
+    @Body() profile: CareerProfile,
+    @CurrentUser("userId") userId: string,
+  ) {
+    if (!profile.major || !profile.major.trim()) {
+      return { error: "请填写你的专业" }
+    }
+    return this.service.analyze(profile)
+  }
+
+  @Post("chat")
+  async chat(
+    @Body() body: { message: string; history: ChatMessage[] },
+    @CurrentUser("userId") userId: string,
+  ) {
+    if (!body.message || !body.message.trim()) {
+      return { error: "请输入消息" }
+    }
+    return this.service.chat(body.message, body.history || [])
+  }
+
+  @Get("positions")
+  @Public()
+  async positions() {
+    return this.service.getHotPositions()
+  }
+}
@@ -0,0 +1,18 @@
+import { Module } from '@nestjs/common'
+import { MongooseModule } from '@nestjs/mongoose'
+import { CareerAdviceController } from './career-advice.controller'
+import { CareerAdviceService } from './career-advice.service'
+import { HotPosition, HotPositionSchema } from '../positions/positions.schema'
+import { AiModule } from '../ai/ai.module'
+
+@Module({
+  imports: [
+    MongooseModule.forFeature([
+      { name: HotPosition.name, schema: HotPositionSchema },
+    ]),
+    AiModule,
+  ],
+  controllers: [CareerAdviceController],
+  providers: [CareerAdviceService],
+})
+export class CareerAdviceModule {}
@@ -0,0 +1,163 @@
+import { Injectable, Logger } from '@nestjs/common'
+import { InjectModel } from '@nestjs/mongoose'
+import { Model } from 'mongoose'
+import { AiService } from '../ai/ai.service'
+import { HotPosition } from '../positions/positions.schema'
+
+export interface CareerProfile {
+  major: string
+  grade?: string
+  interests?: string
+  gpa?: string
+  goal?: string
+}
+
+export interface CareerPath {
+  name: string
+  reason: string
+  matchScore: number
+  salary?: string
+}
+
+export interface ChatMessage {
+  role: 'user' | 'assistant'
+  content: string
+}
+
+@Injectable()
+export class CareerAdviceService {
+  private readonly logger = new Logger(CareerAdviceService.name)
+
+  constructor(
+    @InjectModel(HotPosition.name) private positionModel: Model<HotPosition>,
+    private aiService: AiService,
+  ) {}
+
+  /**
+   * Analyze user profile and return career advice with position recommendations.
+   */
+  async analyze(profile: CareerProfile) {
+    const positions = await this.positionModel.find({ active: true })
+      .sort({ sort: 1 })
+      .lean()
+      .exec()
+
+    const positionsContext = positions.map(p =>
+      `- ${p.name}${p.salary ? ` (薪资: ${p.salary})` : ''}${p.company ? ` - ${p.company}` : ''}`
+    ).join('\n')
+
+    const systemPrompt = `你是一位资深的中国大学生职业规划顾问。你的任务是根据学生的专业背景和个人情况,给出个性化的择业建议。
+
+你的建议需要涵盖:
+1. 该专业的典型职业方向和发展路径
+2. "考研vs就业vs考公"的决策分析(基于学生具体情况)
+3. 当前就业市场的真实形势(如AI对各行业的影响)
+4. 具体可行动的建议(实习、技能提升等)
+
+你需要从以下可用岗位中,推荐最匹配该学生的3-5个方向:
+
+${positionsContext}
+
+注意:
+- 你的回答要诚恳务实,不要画大饼
+- 指出每个选择的利弊和风险
+- 结合AI时代对各行业的影响给出建议
+- 最后以JSON格式输出推荐岗位列表
+
+回复格式:
+先输出一段详细的个性化分析建议(中文,300-500字)。
+然后在最后单独一行输出JSON数组(不要任何其他内容):
+---JSON---
+[{"name":"岗位名","reason":"推荐理由简要说明","matchScore":85,"salary":"薪资范围"},...]
+---JSON---`
+
+    const userMessage = this.buildProfileMessage(profile)
+    const rawReply = await this.aiService.call({
+      systemPrompt,
+      userMessage,
+      temperature: 0.7,
+      maxTokens: 2048,
+    })
+
+    return this.parseResponse(rawReply, positions)
+  }
+
+  /**
+   * Continue a chat conversation about career choices.
+   */
+  async chat(message: string, history: ChatMessage[]) {
+    const positions = await this.positionModel.find({ active: true })
+      .sort({ sort: 1 })
+      .lean()
+      .exec()
+
+    const positionsContext = positions.map(p =>
+      `- ${p.name}${p.salary ? ` (薪资: ${p.salary})` : ''}`
+    ).join('\n')
+
+    const systemPrompt = `你是一位资深的中国大学生职业规划顾问。继续与学生的对话,回答他们的择业相关问题。
+
+可推荐的岗位列表:
+${positionsContext}
+
+注意:
+- 回答诚恳务实,结合AI时代背景
+- 给出具体可操作的建议
+- 如果学生提到具体岗位,可以从推荐列表中选择匹配的
+- 保持对话亲切自然,用中文回复`
+
+    const historyMessages = history.map(h =>
+      `${h.role === 'user' ? '学生' : '顾问'}: ${h.content}`
+    ).join('\n')
+
+    const userMessage = `对话历史:\n${historyMessages}\n\n学生最新提问: ${message}`
+
+    const reply = await this.aiService.call({
+      systemPrompt,
+      userMessage,
+      temperature: 0.7,
+      maxTokens: 1024,
+    })
+
+    return { reply }
+  }
+
+  private buildProfileMessage(profile: CareerProfile): string {
+    const parts: string[] = [`学生专业: ${profile.major}`]
+    if (profile.grade) parts.push(`年级: ${profile.grade}`)
+    if (profile.interests) parts.push(`兴趣方向: ${profile.interests}`)
+    if (profile.gpa) parts.push(`GPA/成绩: ${profile.gpa}`)
+    if (profile.goal) parts.push(`目标/困惑: ${profile.goal}`)
+    return parts.join('\n')
+  }
+
+  private parseResponse(rawReply: string, allPositions: any[]): {
+    reply: string
+    careerPaths: CareerPath[]
+  } {
+    // Extract JSON array from ---JSON--- markers
+    const jsonMatch = rawReply.match(/---JSON---\s*(\[[\s\S]*?\])\s*---JSON---/)
+    let careerPaths: CareerPath[] = []
+
+    if (jsonMatch) {
+      try {
+        careerPaths = JSON.parse(jsonMatch[1])
+      } catch {
+        this.logger.warn('Failed to parse career paths JSON')
+      }
+    }
+
+    // Clean reply (remove --JSON-- markers)
+    const reply = rawReply.replace(/---JSON---[\s\S]*?---JSON---/g, '').trim()
+
+    return { reply, careerPaths }
+  }
+
+  /** Get hot positions (delegated from positions module) */
+  async getHotPositions() {
+    return this.positionModel.find({ active: true })
+      .sort({ sort: 1 })
+      .lean()
+      .exec()
+  }
+}