更新traceid逻辑

app/api/v1/compare.py

@@ -21,7 +21,6 @@ from __future__ import annotations
 import json
 import logging
 import time
-import uuid
 from typing import Any
 
 import httpx
@@ -32,6 +31,7 @@ from app.api.deps import DbSession, OptionalUser
 from app.core.config import settings
 from app.core.logging import trace_id_ctx
 from app.core.pricebot_client import get_pricebot_client
+from app.core.trace_ids import new_trace_id
 from app.core.pricebot_router import pick_pricebot
 from app.db.session import SessionLocal
 from app.repositories import comparison as crud_compare
@@ -142,7 +142,7 @@ async def _forward(
     trace_id = meta.get("trace_id")
     minted = False
     if not trace_id:
-        trace_id = str(uuid.uuid4())
+        trace_id = new_trace_id()
         meta["trace_id"] = trace_id
         raw = json.dumps(meta).encode()  # 仅首帧重新序列化(注入 trace_id);后续帧走原始 bytes
         minted = True

app/api/v1/compare_record.py

@@ -12,12 +12,12 @@
 from __future__ import annotations
 
 import logging
-import uuid
 
 from fastapi import APIRouter, BackgroundTasks, HTTPException, Query, status
 
 from app.api.deps import CurrentUser, DbSession
 from app.core import limit_policy
+from app.core.trace_ids import new_trace_id
 from app.repositories import comparison as crud_compare
 from app.repositories import risk as risk_repo
 from app.schemas.compare_record import (
@@ -57,7 +57,7 @@ def reserve_compare_start(
     # trace_id 统一由服务端签发（客户端不带时）：预占额度本就是任务的第一个请求，
     # 签发与建 running 行合一，此后 Phase1/Phase2/记录/前端日志全链用同一个 id。
     # 客户端带了则沿用——老客户端兼容 + 同 trace 重试幂等（reserve_daily_start 按 trace_id 去重）。
-    trace_id = payload.trace_id or str(uuid.uuid4())
+    trace_id = payload.trace_id or new_trace_id()
     try:
         policy = limit_policy.resolve(
             db,

app/api/v1/coupon.py

@@ -12,7 +12,6 @@ from __future__ import annotations
 
 import json
 import logging
-import uuid
 from typing import Any
 
 import httpx
@@ -22,6 +21,7 @@ from fastapi.concurrency import run_in_threadpool
 from app.api.deps import CurrentUser, DbSession
 from app.core.config import settings
 from app.core.pricebot_client import get_pricebot_client
+from app.core.trace_ids import new_trace_id
 from app.core.pricebot_router import pick_pricebot
 from app.db.session import SessionLocal
 from app.repositories import coupon_state as coupon_repo
@@ -228,7 +228,7 @@ def coupon_session(payload: CouponSessionIn, db: DbSession) -> CouponSessionOut:
     签发新 id 只会造出一行查不到发起信息的孤儿),不写库、trace_id=null 返回。
     """
     trace_id = payload.trace_id or (
-        str(uuid.uuid4()) if payload.status == "started" else None
+        new_trace_id() if payload.status == "started" else None
     )
     if trace_id is None:
         logger.warning(