feat(accounts): 添加账号cookies存储及支付链接国家选择功能

- 在账号详情页添加cookies编辑与保存功能，用于支付请求
- 支付页面新增国家选择下拉框，支持多国货币计费
- 优化无痕打开浏览器功能，支持注入账号cookies
- 更新数据库模型、API路由及前端界面

src/web/routes/accounts.py

@@ -39,6 +39,7 @@ class AccountResponse(BaseModel):
     proxy_used: Optional[str] = None
     cpa_uploaded: bool = False
     cpa_uploaded_at: Optional[str] = None
+    cookies: Optional[str] = None
     created_at: Optional[str] = None
     updated_at: Optional[str] = None
 
@@ -56,6 +57,7 @@ class AccountUpdateRequest(BaseModel):
     """账号更新请求"""
     status: Optional[str] = None
     metadata: Optional[dict] = None
+    cookies: Optional[str] = None  # 完整 cookie 字符串，用于支付请求
 
 
 class BatchDeleteRequest(BaseModel):
@@ -116,6 +118,7 @@ def account_to_response(account: Account) -> AccountResponse:
         proxy_used=account.proxy_used,
         cpa_uploaded=account.cpa_uploaded or False,
         cpa_uploaded_at=account.cpa_uploaded_at.isoformat() if account.cpa_uploaded_at else None,
+        cookies=account.cookies,
         created_at=account.created_at.isoformat() if account.created_at else None,
         updated_at=account.updated_at.isoformat() if account.updated_at else None,
     )
@@ -216,10 +219,24 @@ async def update_account(account_id: int, request: AccountUpdateRequest):
             current_metadata.update(request.metadata)
             update_data["metadata"] = current_metadata
 
+        if request.cookies is not None:
+            # 留空则清空，非空则更新
+            update_data["cookies"] = request.cookies or None
+
         account = crud.update_account(db, account_id, **update_data)
         return account_to_response(account)
 
 
+@router.get("/{account_id}/cookies")
+async def get_account_cookies(account_id: int):
+    """获取账号的 cookie 字符串（仅供支付使用）"""
+    with get_db() as db:
+        account = crud.get_account_by_id(db, account_id)
+        if not account:
+            raise HTTPException(status_code=404, detail="账号不存在")
+        return {"account_id": account_id, "cookies": account.cookies or ""}
+
+
 @router.delete("/{account_id}")
 async def delete_account(account_id: int):
     """删除单个账号"""

src/web/routes/payment.py

@@ -38,10 +38,12 @@ class GenerateLinkRequest(BaseModel):
     seat_quantity: int = 5
     proxy: Optional[str] = None
     auto_open: bool = False  # 生成后是否自动无痕打开
+    country: str = "SG"  # 计费国家，决定货币  # 生成后是否自动无痕打开
 
 
 class OpenIncognitoRequest(BaseModel):
     url: str
+    account_id: Optional[int] = None  # 可选，用于注入账号 cookie
 
 
 class MarkSubscriptionRequest(BaseModel):
@@ -83,7 +85,7 @@ def generate_payment_link(request: GenerateLinkRequest):
 
         try:
             if request.plan_type == "plus":
-                link = generate_plus_link(account, proxy)
+                link = generate_plus_link(account, proxy, country=request.country)
             elif request.plan_type == "team":
                 link = generate_team_link(
                     account,
@@ -91,6 +93,7 @@ def generate_payment_link(request: GenerateLinkRequest):
                     price_interval=request.price_interval,
                     seat_quantity=request.seat_quantity,
                     proxy=proxy,
+                    country=request.country,
                 )
             else:
                 raise HTTPException(status_code=400, detail="plan_type 必须为 plus 或 team")
@@ -102,7 +105,8 @@ def generate_payment_link(request: GenerateLinkRequest):
 
     opened = False
     if request.auto_open and link:
-        opened = open_url_incognito(link)
+        cookies_str = account.cookies if account else None
+        opened = open_url_incognito(link, cookies_str)
 
     return {
         "success": True,
@@ -114,13 +118,21 @@ def generate_payment_link(request: GenerateLinkRequest):
 
 @router.post("/open-incognito")
 def open_browser_incognito(request: OpenIncognitoRequest):
-    """后端命令行以无痕模式打开指定 URL"""
+    """后端以无痕模式打开指定 URL，可注入账号 cookie"""
     if not request.url:
         raise HTTPException(status_code=400, detail="URL 不能为空")
-    success = open_url_incognito(request.url)
+
+    cookies_str = None
+    if request.account_id:
+        with get_db() as db:
+            account = db.query(Account).filter(Account.id == request.account_id).first()
+            if account:
+                cookies_str = account.cookies
+
+    success = open_url_incognito(request.url, cookies_str)
     if success:
         return {"success": True, "message": "已在无痕模式打开浏览器"}
-    return {"success": False, "message": "未找到可用的 Chrome/Edge，请手动复制链接"}
+    return {"success": False, "message": "未找到可用的浏览器，请手动复制链接"}
 
 
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