feat(invite): 邀请奖励金账户(与金币隔离) + 比价发奖 + 奖励金提现

- 新增邀请奖励金独立账本: coin_account 加余额列 + invite_cash_transaction 流水表, 与金币现金物理隔离
- bind 改 v2: 绑定只发被邀请人新人金币; 邀请人改在好友首次成功比价时发 2 元奖励金(幂等只发一次)
- 提现链路按 source 分流: 扣款/退款/对账/分页各认账户, 两本账不串
- /invite/me 返回奖励金余额/累计提现/7天倒计时
- 新增 migration(建表加列) + 比价发奖与提现隔离测试

app/api/v1/compare_record.py

@@ -21,6 +21,7 @@ from app.api.deps import CurrentUser, DbSession
 from app.db.session import SessionLocal
 from app.models.comparison import ComparisonRecord
 from app.repositories import comparison as crud_compare
+from app.repositories import invite as crud_invite
 from app.services.pricebot_llm_calls import fetch_llm_calls
 from app.schemas.compare_record import (
     CompareStatsOut,
@@ -52,6 +53,18 @@ def report_record(
     # 任务做,不阻塞上报响应(顺带给 pricebot 落盘留足余量)。upsert 已 commit,后台用
     # 独立 session 按 record id 回填 llm_calls + 派生 llm_call_count/retry_count。
     background_tasks.add_task(_backfill_llm_calls, rec.id, rec.trace_id)
+    # 邀请 v2 发奖:被邀请人完成一次【成功】比价 → 给邀请人发邀请奖励金(幂等,只发一次)。
+    # best-effort:发奖异常不影响比价上报本身(rec 已 commit),只 log;邀请人补偿靠后续对账。
+    if rec.status == "success":
+        try:
+            reward = crud_invite.try_reward_on_compare(db, user.id)
+            if reward.status == "granted":
+                logger.info(
+                    "invite compare reward granted inviter=%s invitee=%s cents=%s",
+                    reward.inviter_user_id, user.id, reward.reward_cents,
+                )
+        except Exception as e:  # noqa: BLE001 best-effort,发奖失败不阻塞上报
+            logger.warning("invite compare reward failed invitee=%s: %s", user.id, e)
     logger.info(
         "compare record user=%s trace=%s biz=%s status=%s saved=%s (llm_calls backfill queued)",
         user.id,

app/api/v1/invite.py

@@ -84,6 +84,8 @@ def _parse_device_model(ua: str) -> str:
 def my_invite(user: CurrentUser, db: DbSession) -> InviteInfoOut:
     code = invite_repo.ensure_code(db, user)
     invited, coins = invite_repo.get_stats(db, user.id)
+    reward_balance, reward_withdrawn = invite_repo.get_reward_stats(db, user.id)
+    days_left, is_fresh_round, countdown_text = invite_repo.compute_invite_countdown(user.created_at)
     sep = "&" if "?" in settings.INVITE_LANDING_URL else "?"
     share_url = f"{settings.INVITE_LANDING_URL}{sep}ref={code}"
     return InviteInfoOut(
@@ -91,6 +93,11 @@ def my_invite(user: CurrentUser, db: DbSession) -> InviteInfoOut:
         share_url=share_url,
         invited_count=invited,
         coins_earned=coins,
+        reward_balance_cents=reward_balance,
+        reward_withdrawn_cents=reward_withdrawn,
+        countdown_days_left=days_left,
+        countdown_is_fresh_round=is_fresh_round,
+        countdown_text=countdown_text,
     )
 
 

app/api/v1/wallet.py

@@ -200,7 +200,8 @@ def withdraw(req: WithdrawRequest, user: CurrentUser, db: DbSession) -> Withdraw
         raise HTTPException(status_code=status.HTTP_503_SERVICE_UNAVAILABLE, detail="wechat pay not configured")
     try:
         order = crud_wallet.create_withdraw(
-            db, user.id, req.amount_cents, user_name=req.user_name, out_bill_no=req.out_bill_no
+            db, user.id, req.amount_cents, source=req.source,
+            user_name=req.user_name, out_bill_no=req.out_bill_no,
         )
     except crud_wallet.InvalidWithdrawAmountError as e:
         raise HTTPException(
@@ -274,10 +275,11 @@ def withdraw_status(
 def withdraw_orders(
     user: CurrentUser,
     db: DbSession,
+    source: str | None = Query(None, description="按账户来源过滤:coin_cash / invite_cash;不传=全部"),
     limit: int = Query(20, ge=1, le=100),
     cursor: int | None = Query(None, description="上一页末条 id"),
 ) -> WithdrawOrderPage:
-    items, next_cursor = crud_wallet.list_withdraw_orders(db, user.id, limit=limit, cursor=cursor)
+    items, next_cursor = crud_wallet.list_withdraw_orders(db, user.id, source=source, limit=limit, cursor=cursor)
     return WithdrawOrderPage(
         items=[WithdrawOrderOut.model_validate(it) for it in items],
         next_cursor=next_cursor,