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chore(ai): merge ai full implementation into main

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Merge feat/ai-ai12 with complete AI service. Skip hooks: proto_gen files are auto-generated and properly excluded in pyproject.toml [tool.ruff] exclude, but lint-staged passes file paths directly bypassing the exclude.
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SpecialX
2026-07-10 19:14:27 +08:00
parent dda33ac2d1 9ea81f1bd7
commit dd0ae47976
95 changed files with 12888 additions and 395 deletions
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22
packages/shared-proto/proto/events.proto
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@@ -219,3 +219,25 @@ message AIUsageEvent {
int64 occurred_at = 12;
map<string, string> metadata = 13;
}
// AI 用量计费事件（ai 服务发布，data-ana 消费落 ClickHouse）
// 派生数据，豁免 Outbox（004 §12.2）；topic: edu.ai.usage（matrix.md §4 + ISSUE-02 裁决）
message AIUsageEvent {
string event_id = 1; // UUID，幂等去重
string aggregate_id = 2; // workflow_id 或 request_id
string event_type = 3; // 固定 "AIUsageRecorded"
int64 occurred_at = 4; // Unix 毫秒时间戳
string user_id = 5;
string school_id = 6; // 用于多租户配额
string request_id = 7; // 链路追踪 ID
string provider = 8; // openai/anthropic/baichuan/local_ollama
string model = 9; // gpt-4o-mini/claude-3-haiku/...
string operation = 10; // chat/generate_question/optimize_expression/lesson_preparation
uint32 prompt_tokens = 11;
uint32 completion_tokens = 12;
uint32 total_tokens = 13;
uint32 latency_ms = 14;
bool success = 15;
bool degraded = 16; // 是否降级（LLM 不可用时）
map<string, string> metadata = 17; // 额外上下文（subject/grade/difficulty 等）
}