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wangdl
87fe180874 fix: add missing User relation on AiLearningAnalysis model
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Prisma validation error P1012: User.aiAnalysisResultsNew missing
opposite relation on AiLearningAnalysis.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
 2026-06-11 20:52:19 +08:00
wangdl
4cf2aa99fd feat: 用户 AI 设置与 Key 管理 API (API-AI-011~015)
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- UserAiController: GET/PUT /ai/profile, GET/PUT /ai/settings
- UserAiController: CRUD /ai/model-credentials, POST test
- UserAiService: Profile upsert, Settings默认创建, Key 生命周期
- CredentialEncryptionService: AES-256-GCM 加解密, SHA-256 hash, mask脱敏, 日志redact
- AiRuntimeModule 注册到 AppModule

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
 2026-06-11 20:39:29 +08:00
wangdl
6888fe1d12 feat: AI Runtime Prisma Schema (API-AI-004~010 + 070/071/075)
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新增 18 个模型：
- P0: UserLearningProfile, UserAiSettings, UserModelCredential
- P0: AiRuntimeJob, AiRuntimeResult, LearningAnalysisSnapshot
- P0: ModelInvocationLog, UserAiUsageDaily, PlatformAiBudgetDaily
- P0: RuntimeInstance
- P1 预留: AiLearningAnalysis, WeakPointCandidate,
  NextActionRecommendation, QuestionGenerationPlan,
  FlashcardGenerationPlan, Flashcard, AiArtifactFeedback

User 模型补充新表 relation 字段。

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
 2026-06-11 20:38:00 +08:00
wangdl
e6cbe16a11 feat: AI 数据权限、隐私授权与用户设置设计 (API-AI-003)
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定义 7 项用户授权开关、12 项用户设置字段、4 层硬约束、8 级优先级体系、
设备信息限制规则、Snapshot 过滤伪代码、DeepSeek Prompt 发送规则。

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
 2026-06-11 20:36:40 +08:00
wangdl
045e0b2501 feat: AI Job 状态机与任务调度设计 (API-AI-002)
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定义 5 种 Job 类型、7 种状态、完整状态流转图、数据库字段、防并发锁定
机制、retryable/non-retryable 分类、超时释放、幂等规则、Poll 调度策略。

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
 2026-06-11 20:35:59 +08:00
wangdl
eea9e3e7c6 feat: API-Runtime 内部通信协议与 DTO (API-AI-001)
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定义 9 个 internal/runtime 接口的完整协议：Poll/Lock/Heartbeat/Snapshot/
Credential Resolve/Result/Fail/InvocationLog/Health。新增 RuntimeInternalDto
类型文件，复用 InternalAuthGuard 鉴权，与 Rust 侧可直接对齐。

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
 2026-06-11 20:35:20 +08:00
wangdl
804c414901 feat: AI Runtime 总体架构文档 (API-AI-000)
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定义 API / Rust Heavy Runtime / document runtime / iOS / Admin 职责边界、
Docker 内部网络部署、Job 异步任务流、用户 Key 与平台 Key 管理、失败重试与
熔断、结果落库边界、RAG 共存策略与后续扩展预留。

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
 2026-06-11 20:33:22 +08:00
wangdl
87cfa2c20d fix: resolve AdminJwtGuard import error in reading-event module
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- Fix AdminJwtGuard → AdminAuthGuard (guard file was admin-auth.guard.ts)
- Add AdminAuthModule import to provide guard dependencies

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
 2026-06-11 20:27:15 +08:00
wangdl
6eae39a395 fix: register M8 modules in app.module.ts (routes were 404)
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Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
 2026-06-09 22:03:42 +08:00
wangdl
8dfda9f10e fix: #159 getSummary/getTrend optimization + #160 admin auth guard
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Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
 2026-06-09 21:50:31 +08:00
wangdl
1442b9b69e fix: admin controller audit — merge duplicate controllers, add Post import, validate params
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Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
 2026-06-09 21:46:37 +08:00
wangdl
4414f9cc55 feat: M-API-ADMIN-INFO admin backend complete (21/21)
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- Admin dashboard + query endpoints (reading-events/sessions/progress/daily-activities/records)
- Diagnostic (user-timeline/diagnose/material-diagnose/anomalies/temporary-materials)
- Operations (recalculate/export)
- Admin API design doc

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
 2026-06-09 21:42:47 +08:00
wangdl
c6f254f864 fix: add completed/interrupted guard in session upsert (out-of-order event defense)
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Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
 2026-06-08 21:14:58 +08:00
wangdl
22ed18404f fix: import paths + dead code cleanup + export ProcessResult
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Details 
- Fix PrismaService/PrismaModule import paths (infrastructure/database/)
- Remove dead upsertFromReadingEvent wrappers in learning-activity/learning-session services
- Export ProcessResult interface for controller return type

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
 2026-06-08 21:12:36 +08:00
wangdl
1f678409b5 fix: add reverse relations for ReadingEvent/MaterialReadingProgress/TemporaryReadingMaterial on User model
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Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
 2026-06-08 21:10:49 +08:00
wangdl
38a8629e42 feat: M8 学习信息收集系统完整实现
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Phase 1-2: 设计文档 + 数据库 (ReadingEvent/MaterialReadingProgress/TemporaryReadingMaterial/LearningSession扩展/DailyLearningActivity扩展/LearningRecord)
Phase 3: 批量上报 + 校验去重 + ReadingEventProcessorService
Phase 4: 4表聚合管线 (LearningSession/MaterialReadingProgress/DailyLearningActivity/LearningRecord)
Phase 5: 查询接口 (progress/continue/summary/trend/heatmap/history/reprocess)
Phase 6: 权限校验 + session中断清理 + API文档

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
 2026-06-08 21:09:13 +08:00
wangdl
55e25f347e fix: M-CHAT-A3 createSession 支持 forceCreate 参数
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forceCreate=true 时跳过 open-or-create 查找，强制创建新会话。

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
 2026-06-06 17:58:33 +08:00
wangdl
fe44dec567 feat: M-CHAT ChatScope 会话系统完整实现
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Details 
## 数据模型
- ChatSession +13 字段 (scopeType/scopeId/parentKnowledgeBaseId/createdFrom/isPinned/isArchived/isDeleted/modelMode/modelId/lastMessageAt)
- ChatMessage +scopeSnapshot (消息级 scope 快照)
- ChatCitation +lineStart/lineEnd +sourceId 索引
- 5 个新查询索引

## 核心能力
- open-or-create: 同 scope 继续会话 (200) / 新建 (201)
- scope 级检索: global/knowledge_base/material/knowledge_item/folder
- listSessions: scope 过滤 + isDeleted 排除 + isPinned 排序 + 分页元数据
- 自动标题: 首条消息截取 + 词边界处理
- 软删除 + 置顶/归档
- scope 字段创建后不可修改
- 全部端点 userId 鉴权

## 文档
- docs/chat-scope-design.md (设计文档 + 决策表)
- docs/chat-scope-api-contract.md (API 契约)
- docs/chat-scope-test-plan.md (33 条测试用例)
- prisma/migrations/backfill_chat_scope.sql (旧数据回填)

## Bug 修复
- #104: KnowledgeItem.sourceRef 填充 (material scope 检索修复)
- #102: sendMessageStream aiGateway null 保护
- listSessions isDeleted/isArchived 过滤 + 分页

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
 2026-06-06 17:27:40 +08:00
wangdl
17f16cea67 feat: #70 ChatSession 新增 knowledgeItemIds 字段，限定 AI 检索范围
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- Prisma schema: ChatSession 加 knowledgeItemIds Json? 字段
- createSession: 接受可选 knowledgeItemIds 参数
- loadContext: 支持 itemIds 过滤，传入时只检索指定知识点
- sendMessage/sendMessageStream: 读取 session.knowledgeItemIds 传入 loadContext

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
 2026-06-06 16:02:38 +08:00
wangdl
6d0cc9b6dc fix: GET /sessions @Body → @Query, 修复对话列表获取失败
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GET 请求不应使用 @Body 装饰器（NestJS 默认不解析 GET body）。

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
 2026-06-06 15:45:03 +08:00
wangdl
dc5948a2cd fix: chat session auto-title + delete + remove double drag indicator
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- 首条用户消息自动设为会话标题（仅当 title 为空或为新对话时）
- 对话列表新增左滑删除
- 移除 duplicate drag indicator

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
 2026-06-06 15:15:00 +08:00
wangdl
35f2cd6e59 fix: SSE charset utf-8 + 服务端 charset header
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Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
 2026-06-06 15:01:16 +08:00
wangdl
aea071e4c9 fix: rag-chat controller Response 改为 import type 修复 isolatedModules 编译错误
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Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
 2026-06-06 14:56:13 +08:00
wangdl
6f77162cf8 feat: #71 RAG Chat SSE 流式输出 + DeepSeek V4 Pro 思考过程
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- AiProvider 接口新增 StreamChunk 类型 + generateStream() 方法
- DeepSeekProvider 实现 generateStream()：stream=true，读 reader 逐 chunk yield
- AiGatewayService 新增 generateStream()：透传 provider stream + 记录用量
- RagChatService 新增 sendMessageStream()：流式调用 + 保存最终 AI 回复到 DB
- POST /api/rag-chat/sessions/:id/stream 新 SSE endpoint
- thinking chunk：DeepSeek V4 Pro reasoning_content → type: "thinking"
- 流式模式下禁用 response_format json_object，不阻塞思考过程

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
 2026-06-06 14:49:20 +08:00
wangdl
f4de598d96 fix: rag-chat 传入 outputSchema= RagChatOutputSchema，修复 parsed 为空对象
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parseJson 无 schema 时直接返回 {}，导致 resp.parsed?.answer 始终为 null。

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
 2026-06-06 14:30:53 +08:00
wangdl
69bcd07a0f debug: rag-chat 日志输出 AI parsed 结构
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Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
 2026-06-06 14:28:35 +08:00
wangdl
3d8246cf6e fix: AI Gateway content safety 空值检查导致所有 AI 输出被误拦
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contentSafety 未注入时 safetyCheck 为 undefined，!undefined?.safe = true，
错误抛出 "AI output blocked by content safety"，实际 DeepSeek 正常返回。

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
 2026-06-06 14:23:55 +08:00
wangdl
55221116b7 debug: rag-chat 日志增加 kbId
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Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
 2026-06-06 14:12:44 +08:00
wangdl
07f2786ab9 fix: 移除 rag-chat 调试日志中的 rawText 引用 (GatewayResponse 无此字段)
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Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
 2026-06-06 14:04:17 +08:00
wangdl
ce43256690 debug: rag-chat sendMessage 添加详细日志定位 AI Gateway 调用失败原因
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Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
 2026-06-06 13:56:28 +08:00
wangdl
d8877f926f fix: 注册 rag-chat prompt template，修复 AI 对话始终返回 fallback
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根因：PromptTemplateService 未注册 rag-chat 的 prompt，
sendMessage 中 promptTemplate.get('rag-chat') 抛异常被 catch，
永远走 fallbackReply("AI 服务暂时不可用")。

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
 2026-06-06 13:48:17 +08:00
wangdl
78e21c4c4c fix: RagChatModule 导入 AiModule，修复 AiGatewayService 未注入
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AiGatewayService 使用了 @Optional() 导致不报错但始终为 null，
sendMessage 永远走 fallbackReply。现在导入 AiModule 正确注入。

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
 2026-06-06 13:40:03 +08:00
wangdl
a784ee3bc3 fix: MiniMax 已到期，切换 primary tier 到 DeepSeek V4 Pro
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- model-router: primary 层 preferred 从 minimax-m2.7 改为 deepseek-v4-pro
- cost-calculator: 移除 minimax 零成本豁免
- billing: MiniMax 标注已到期

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
 2026-06-06 12:23:35 +08:00
wangdl
11a38a68c1 fix: admin-billing 不再硬编码 API key，改为从 ConfigService 读取
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DeepSeek 和硅基流动的 API key 改为从环境变量读取，不再硬编码在源码中。
旧 DeepSeek key（公司采购）已全局替换为个人账号 key sk-cb34244304914c77943dfaf6522a7c9a。

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
 2026-06-06 12:17:17 +08:00
wangdl
28c68a8c3b fix: code review — 6 medium issues in KnowledgeItem/LearningActivity
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1. enrichItem: add Logger.warn on COS errors instead of silent catch
2. getTrend: add 15s timeout fallback for AI analysis
3. buildDailySeries: use local date strings to avoid UTC timezone shift
4. detectSourceType: use lazy regex .+? to prevent ReDoS on long texts
5. sortBy: validate against whitelist, reject invalid values
6. PaginationDto visibility/ownerType: already handled via @Query params

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
 2026-06-06 12:07:40 +08:00
wangdl
4b21c98835 fix: code review — 4 critical bugs in KnowledgeItem/KB modules
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1. enrichItem: remove MIME type → sourceType mapping (contentType is text/markdown not markdown)
2. update(): add field whitelist to prevent mass assignment (userId/deletedAt/etc)
3. createFolder: add userId permission check + parent folder validation
4. deleteFolder: cascade soft-delete to corresponding KnowledgeItem (itemType=folder)

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
 2026-06-06 12:04:24 +08:00
wangdl
4b8653080e feat: #67 GET /activity/trend 新增 dailySeries 时间序列数据
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返回格式新增 dailySeries 字段 [{date, value, label}]，支持 iOS 折线图/柱状图渲染。
数据来源：按日聚合 LearningActivity.durationSeconds。

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
 2026-06-05 20:12:18 +08:00
wangdl
9c14bda0c2 feat: Phase 1 & 2 — KnowledgeItem/KB model补齐 + API增强
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#61 KnowledgeItem sourceType 自动检测（COS URL/HTML/Markdown/扩展名）
#59 KnowledgeItem 新增 durationSeconds 字段
#66 KnowledgeItem 新增 fileSize 字段，enrichItem 同步填充 COS 文件大小
#53 KnowledgeBase GET /knowledge-bases 支持 visibility/ownerType 查询筛选
#63 GET /knowledge-items 新增 sortBy/order 排序参数
#65 PATCH /knowledge-items/:id 支持 parentId 校验
#64 POST /knowledge-bases/:id/folders 同步创建 KnowledgeItem(itemType:folder)
#62 GET /learning-sessions 新增 status/sort 筛选参数
#69 KnowledgeItem detail 动态刷新 COS 预签名 URL（7天有效）
#60 GET /quizzes 跨知识库列表已实现，关 issue

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
 2026-06-05 20:01:43 +08:00
wangdl
d7a7611b36 fix: ChatCitation 字段 + BigInt 类型修复
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- ChatCitation.content → excerptText（对齐 Prisma schema）
- ChatCitation.score 不存在→ 移除
- UploadedFile.sizeBytes BigInt → Number() 转换

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
 2026-05-30 08:42:07 +08:00
wangdl
b90387dd51 fix: User 补充 Quiz 反向关联
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Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
 2026-05-29 20:04:43 +08:00
wangdl
a1a4b26444 fix: User + KnowledgeBase 补充 Quiz 反向关联
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Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
 2026-05-29 20:04:14 +08:00
wangdl
6033fbc997 feat: H0-12 Quiz 模型与 API
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Prisma 新增:
- Quiz（测验）
- QuizQuestion（题目，支持 choice/fill/judge 三种题型）
- QuizAttempt（答题记录）
- QuizAnswer（作答详情）

API:
- POST /quizzes（生成测验，自动从KB知识点抽题）
- GET /quizzes（列表）
- GET /quizzes/:id（含题目）
- POST /quizzes/:id/start（开始答题）
- POST /quizzes/:id/submit（提交答案+评分）
- GET /quizzes/:id/results?attemptId=（结果详情）
- GET /quizzes/history/list（历史记录）

题目生成策略:
- 选择题：题干=知识点标题，选项=内容片段+其他知识点干扰项
- 填空题：随机关键词挖空
- 判断题：随机生成对/错陈述

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
 2026-05-29 20:03:40 +08:00
wangdl
6ab54be309 feat: H0-11 RAG Chat 接入真实检索 + AI 生成管道
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- sendMessage 从 KB 加载知识点内容作为上下文（最多 30 条/4000 字符）
- 通过 AiGatewayService 调用 DeepSeek 生成回答
- AI 回复附带引用来源（ChatCitation）
- AI Gateway 不可用时降级提示
- 知识库为空时引导用户先添加内容

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
 2026-05-29 19:31:33 +08:00
wangdl
5fe31a8805 feat: H0-10 存储空间统计 + 学习资产计数
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- GET /users/me/storage（totalBytes/usedBytes/fileCount）
- GET /users/me/assets-summary（kbCount/itemCount/cardCount）

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
 2026-05-29 19:29:22 +08:00
wangdl
d208fd7876 fix: User 模型补充 KnowledgeBaseSubscription 反向关联
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Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
 2026-05-29 19:25:53 +08:00
wangdl
b9f8334245 feat: H0-08 KnowledgeBase 增加业务字段 + 订阅 + 发现 + 置顶 + 公开
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Schema 新增:
- coverType/coverIcon/coverColor（封面类型/系统图标/颜色）
- visibility（private/public）
- isPinned（置顶）
- ownerType（user/official）
- isVerified（认证标识）
- KnowledgeBaseSubscription 表

API 新增:
- POST /knowledge-bases/:id/pin（切换置顶）
- PATCH /knowledge-bases/:id/visibility（切换公开/私有）
- POST /knowledge-bases/:id/subscribe（订阅）
- DELETE /knowledge-bases/:id/subscribe（取消订阅）
- GET /knowledge-bases/subscribed（已订阅列表）
- GET /knowledge-bases/discover（发现公开库）

增强:
- findAll 支持 visibility/ownerType 筛选 + 置顶优先排序
- findOne 公开库允许任何人查看
- update 支持所有新字段

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
 2026-05-29 19:24:21 +08:00
wangdl
4f59569b7c feat: KB 列表返回 coverUrl（coverKey → 预签名下载URL）
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Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
 2026-05-28 10:48:34 +08:00
wangdl
28caf1297f feat: KnowledgeBase 支持封面图 coverKey 字段
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Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
 2026-05-28 10:42:58 +08:00
wangdl
c331d08644 feat: 知识点软删除 + 批量删除接口
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- DELETE /knowledge-items/:id 软删除（设 deletedAt）
- POST /knowledge-items/batch-delete 批量软删除
- softDelete 校验归属权 + 自动更新父KB的itemCount

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
 2026-05-27 22:47:22 +08:00
wangdl
b5de001dbb fix: FileUploadRateLimit 10→200/小时，支持批量上传
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Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
 2026-05-27 22:41:56 +08:00