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wangdl
b0e9796acb fix: use ConfigService for DeepSeek base URL in testCredential
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Details 
- Replace hardcoded 'https://api.deepseek.com/v1/models' with config lookup
- Single source of truth via ai.deepseek.baseUrl (DEEPSEEK_BASE_URL env)
- Add ConfigService dep to UserAiService constructor + test mock

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
 2026-06-18 11:47:59 +08:00
wangdl
cb24e5fb96 fix: job-reaper batch-loop instead of single take:500 to avoid missing jobs
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Details 
- Replace single findMany(take:500) with cursor-based while loop
- REAP_BATCH_SIZE=500 constant; processes all stuck running + expired jobs
- Prevents missing jobs when >500 are stuck simultaneously
- Update tests: reset mocks before custom chains, explicit call ordering

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
 2026-06-18 11:45:36 +08:00
wangdl
c0594c518d test: add concurrent resolveSnapshot race test (API-AI-R01)
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Details 
- Simulates two concurrent getSnapshot calls with no valid snapshot
- Documents the known race: both trigger buildSnapshot, second update overwrites first
- Verifies both calls complete without error (accepted-risk behavior)

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
 2026-06-18 11:41:35 +08:00
wangdl
7725b3d2ea perf: replace N+1 dedup queries with batch pre-fetch in convertCandidates
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Details 
- convertQuizCandidates: batch findMany all stems before loop, dedup in-memory
- convertFlashcardCandidates: batch findMany all fronts before loop, dedup in-memory
- 50 items now = 1 query instead of 50
- Update tests: mock findMany instead of per-item findFirst

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
 2026-06-18 11:40:41 +08:00
wangdl
c2e5590718 fix: add observability to fire-and-forget persistResult & notifyJobComplete
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Details 
- Add static counters: persistResultFailures, notifyFailures
- Replace .catch(() => {}) with logger.error + counter increment
- Add error-path unit tests for both counter increments
- Reset counters in beforeEach for test isolation

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
 2026-06-18 11:38:30 +08:00
wangdl
7aea03f6e0 fix: clarify quota check is read-only, prevent refactoring pitfalls
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Details 
- Rename checkAndReserve→checkQuota (method only reads, does not reserve)
- Add doc comment: incrementJobCount is the actual quota reservation
- Update user-ai.service.spec.ts references
- Add comments for apiKeyMode/credentialId reassignment in budget fallback

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
 2026-06-18 11:36:01 +08:00
wangdl
c88af39673 feat: AI Runtime 完整业务逻辑实现
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Details 
- runtime-internal.service: resolveSnapshot 自动重建、persistResult 5种jobType持久化、validateOutput 校验、convertQuizCandidates/convertFlashcardCandidates 候选转换、notifyJobComplete 通知、JOB_CANCELLED处理、heartbeat 双阶段更新+取消检测
- user-ai.service: createAnalysisJob 11步流程、cancelJob、publishQuiz/publishFlashcard、getAnalysis/listAnalyses等
- user-ai.controller: 20+ 用户API端点
- 新增服务: SnapshotBuilderService、PriorityRulesService、SnapshotCleanupService、JobReaperService
- 新增模块: admin-learning (CRUD管理)
- Prisma schema: cancelRequestedAt/cancelledAt/sourceBlockIds 字段、expiresAt 索引
- 文档: ai-runtime-user-api.md、Issue 记录

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
 2026-06-18 11:22:03 +08:00
wangdl
eba9632a4e test: sync runtime-internal.service tests with current implementation (API-AI-062)
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Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
 2026-06-18 11:12:02 +08:00
wangdl
02979e3c24 test: add unit tests for runtime-internal.service (API-AI-062)
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Details 
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
 2026-06-18 11:03:23 +08:00
wangdl
012e26b950 feat: API-Runtime 版本兼容协议 (API-AI-072)
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Details 
- pollJobs: 记录/更新 RuntimeInstance (capabilities + heartbeat)
- submitResult: 校验 schemaVersion 匹配 job.outputSchemaVersion
- heartbeat: 首次调用设置 startedAt
- 错误码: RESULT_SCHEMA_UNSUPPORTED + RUNTIME_VERSION_INCOMPATIBLE

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
 2026-06-11 21:42:02 +08:00
wangdl
00ac32a103 feat: 平台 AI 预算、成本熔断与全局限流 (API-AI-071)
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Details 
- PlatformBudgetService: checkPlatformBudget / recordSuccess / recordFailure
- 熔断器: closed → open (连续失败N次) → half_open (限制任务数) → closed
- 平台日 token 预算 + 成本预算检查
- Admin 接口: transitionToHalfOpen / closeCircuit / getBudgetState
- PlatformAiBudgetDaily 已存在于 Prisma schema

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
 2026-06-11 21:40:47 +08:00
wangdl
cc2ccbad59 fix: audit fixes for Runtime Internal API
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Details 
1. heartbeat: locked→running transition on first heartbeat
2. submitResult: validate job is locked/running before accepting
3. submitFailure: validate job is locked/running before accepting
4. resolveCredentialForJob: update lastUsedAt on credential
5. pollJobs: filter by capabilities (snapshotVersion + outputSchemaVersion)

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
 2026-06-11 21:38:44 +08:00
wangdl
5cbf20046a feat: 用户 AI 消费额度与日限流 (API-AI-070)
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Details 
- UserAiQuotaService: checkAndReserve / incrementJobCount / recordTokenUsage
- 创建 Job 前检查 maxDailyAiJobs + maxDailyTokenBudget
- Runtime 调用后更新 UserAiUsageDaily token 消耗
- user_deepseek_key 不计入平台 token 预算
- 超限返回 DAILY_JOB_LIMIT_EXCEEDED / DAILY_TOKEN_BUDGET_EXCEEDED

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
 2026-06-11 21:25:18 +08:00
wangdl
43e6e9029c feat: Runtime Internal API (API-AI-028~034)
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Details 
- RuntimeInternalController: 7 个 /internal/runtime/* 端点
- RuntimeInternalService: Poll/Lock/Heartbeat/Snapshot/Credential/Result/Fail/Log
- 复用 InternalAuthGuard + x-runtime-instance-id 追踪
- Job lock 防并发 (updateMany WHERE status=pending)
- Result 幂等 (resultIdempotencyKey)
- Failure retryable/non-retryable 处理

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
 2026-06-11 21:23:52 +08:00
wangdl
87fe180874 fix: add missing User relation on AiLearningAnalysis model
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Details 
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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Details 
- 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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Details 
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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Details 
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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Details 
- 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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Details 
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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Details 
- 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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Details 
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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Details 
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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Details 
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