fix(ai): V3 长期问题修复+规则合规+竞品对标
## P1 安全加固 - 原子化每日限额(tryConsumeDailyQuota)解决 TOCTOU 竞态 - 流式端点补齐 Zod 校验 + rate limit + 服务端强制 systemPrompt - 配额回退机制(refundDailyQuota):过滤/失败不扣配额 - PII 最小化:移除 AI prompt 中的学生姓名 ## P1 数据一致性 - 修复 capability 埋点缺失 child_summary/study_path 类型 - 创建 data-access.ts:真实统计聚合替代硬编码零 - 修复 generateChildSummary/recommendStudyPath 的 capability 标记 ## P2 可靠性 - AI 调用重试机制(withRetry 指数退避,429/5xx,2 次重试) - 30s 超时配置 - 流式 controller 安全 enqueue(防已关闭抛错) - localStorage 防抖持久化(500ms,流式过程中跳过) ## P2 TypeScript/规则合规 - 移除 as 断言(VariantType 类型守卫、Permission 类型、StreamErrorKey) - 补齐返回类型标注(POST/getStatusFromError/DashboardLayout) - 拆分 use-ai-chat-stream hook(190→107 行,函数体≤80 行) - 抽取 stream-utils.ts(SSE 解析/错误映射/消息工具) - Tailwind 任意值添加注释说明(max-w-[80%] 聊天气泡) ## P3 竞品对标 - 苏格拉底式辅导强化(对标 Khanmigo): - SOCRATIC_TUTOR_SYSTEM_PROMPT 3 级提示升级 - 强化 STUDENT_BLOCKED_PATTERNS 正则(中英文答案拦截) - validateSocraticOutput 服务端校验(问号结尾+连续陈述句限制) - socratic_warning SSE 事件类型 - 知识图谱集成(对标 Squirrel AI): - StudyPathInput 新增 knowledgeGraph/textbookId 字段 - recommendStudyPathAction 自动从 textbooks 模块获取图谱+掌握度 - STUDY_PATH_SYSTEM_PROMPT 增加前置依赖链规则 - WEAKNESS_ANALYSIS_SYSTEM_PROMPT 增加 rootCause 字段 ## 架构文档同步 - 004 更新 AI 模块章节(V3 标记/新导出/依赖关系/安全机制/文件清单) - 005 更新 modules.ai 节点(dependsOn/exports/dataAccess/streamUtils/dependencyMatrix)
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@@ -16341,7 +16341,8 @@
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},
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"ai": {
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"dependsOn": [
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"shared"
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"shared",
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"textbooks"
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],
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"uses": {
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"shared": [
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@@ -16353,6 +16354,10 @@
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"types.action-state",
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"lib.track-event.trackEvent",
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"i18n.messages"
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],
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"textbooks": [
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"data-access-graph.getKnowledgePointsWithRelations",
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"data-access-graph.getStudentKpMastery"
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]
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},
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"exports": {
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@@ -16422,11 +16427,27 @@
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"filterAiOutput",
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"checkDailyLimit",
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"incrementDailyUsage",
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"getDailyLimit"
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"getDailyLimit",
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"tryConsumeDailyQuota",
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"refundDailyQuota",
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"validateSocraticOutput"
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],
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"dataAccess": [
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"recordAiEvent",
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"getAiUsageStats"
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],
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"streamUtils": [
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"consumeSseStream",
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"getStreamErrorKey",
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"extractErrorMessage",
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"removeTrailingEmptyAssistant",
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"appendTokenToLastAssistant"
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],
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"promptTemplates": [
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"CHILD_SUMMARY_SYSTEM_PROMPT",
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"STUDY_PATH_SYSTEM_PROMPT"
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"STUDY_PATH_SYSTEM_PROMPT",
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"SOCRATIC_TUTOR_SYSTEM_PROMPT",
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"CHAT_SYSTEM_PROMPT"
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]
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},
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"integrations": {
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@@ -16841,6 +16862,12 @@
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"type": "normal",
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"description": "使用 lib/ai.createAiChatCompletion、auth-guard.requirePermission、types.permissions、types.action-state"
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},
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{
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"from": "ai",
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"to": "textbooks",
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"type": "normal",
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"description": "V3 新增:使用 data-access-graph.getKnowledgePointsWithRelations/getStudentKpMastery 获取知识图谱与掌握度,注入学习路径推荐"
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},
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{
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"from": "homework",
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"to": "ai",
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