feat: 短信接入极光真实发送 + 新增运营 admin 后台子应用

短信(SMS_MOCK 切 mock/real):
- integrations/sms.py 重写: real 模式走极光短信 REST /v1/messages 自定义验证码(本服务 secrets
  生成 6 位码 + 进程内存 + 本地校验一次性/防爆破), 鉴权复用极光一键登录 JG_APP_KEY/MASTER_SECRET
  (同一极光应用, 上线只需 SMS_MOCK=false); mock 仍"任意6位通过"不动其余测试
- 防刷四层: 单号冷却 + 单号每日上限 + 单IP rate_limit(/sms/send 10/min、/sms/login 20/min)
  + 单码失败次数作废; SmsError 带 status_code 映射 429/503/400
- config 增 SMS_SEND_ENDPOINT/SIGN_ID/TEMPLATE_ID/CODE_LENGTH/DAILY_LIMIT/MAX_VERIFY_ATTEMPTS;
  test_auth 加 real 模式单测; sms.md/后端技术实现/待办账本同步

admin 后台(app/admin/ 独立子应用, uvicorn app.admin.main:admin_app :8771):
- 复用主仓 models/repositories/integrations + 同库, 鉴权完全隔离(ADMIN_JWT_SECRET≠JWT_SECRET_KEY
  + payload typ=admin + bcrypt 密码 + 可选 IP 白名单); 主 app 不 import 本包, admin 崩不影响主进程
- 路由: 登录 / 账号管理(RBAC: super_admin·finance·operator) / 用户列表+360详情+封禁+手动调币 /
  钱包流水 / 提现重试对账 / 反馈工单 / 数据大盘; 全写操作落 admin_audit_log(涉钱与业务写同事务)
- 涉钱逻辑(调微信/退款/对账)复用 app.repositories.wallet 不重写
- 新增 models/admin.py(AdminUser/AdminAuditLog) + admin_tables 迁移 + create_admin.py +
  deploy/shaguabijia-admin.service; 依赖加 bcrypt

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

app/api/v1/auth.py

@@ -12,9 +12,10 @@ from __future__ import annotations
 
 import logging
 
-from fastapi import APIRouter, HTTPException, status
+from fastapi import APIRouter, Depends, HTTPException, status
 
 from app.api.deps import CurrentUser, DbSession
+from app.core.ratelimit import rate_limit
 from app.core.security import TokenError, decode_token, issue_token_pair
 from app.integrations.jiguang import JiguangError, mask_phone, verify_and_get_phone
 from app.integrations.sms import SmsError, send_code, verify_code
@@ -71,19 +72,29 @@ def jverify_login(req: JverifyLoginRequest, db: DbSession) -> TokenWithUser:
 
 # ===================== 短信登录 =====================
 
-@router.post("/sms/send", response_model=SmsSendResponse, summary="发送短信验证码 (mock)")
+@router.post(
+    "/sms/send",
+    response_model=SmsSendResponse,
+    summary="发送短信验证码",
+    dependencies=[Depends(rate_limit(10, 60, "sms-send"))],  # 同 IP 每分钟≤10 次(防一 IP 刷不同号)
+)
 def sms_send(req: SmsSendRequest) -> SmsSendResponse:
     try:
         cooldown = send_code(req.phone)
     except SmsError as e:
-        raise HTTPException(status_code=429, detail=str(e)) from e
+        raise HTTPException(status_code=e.status_code, detail=str(e)) from e
 
     from app.core.config import settings  # 局部 import 避免循环
 
     return SmsSendResponse(sent=True, mock=settings.SMS_MOCK, cooldown_sec=cooldown)
 
 
-@router.post("/sms/login", response_model=TokenWithUser, summary="手机号+验证码登录")
+@router.post(
+    "/sms/login",
+    response_model=TokenWithUser,
+    summary="手机号+验证码登录",
+    dependencies=[Depends(rate_limit(20, 60, "sms-login"))],  # 防撞库爆破(另有单码失败次数上限)
+)
 def sms_login(req: SmsLoginRequest, db: DbSession) -> TokenWithUser:
     if not verify_code(req.phone, req.code):
         raise HTTPException(status_code=400, detail="invalid sms code")