feat: 账户过期自动禁用功能

- 账户选择时自动排除已过期账户
- JWT获取时检查过期状态并自动禁用
- 过期账户在管理页面显示为灰色（半透明+灰色背景）
- 状态显示为"过期禁用"

core/templates.py

@@ -80,12 +80,24 @@ def generate_admin_html(request: Request, multi_account_mgr, show_hide_tip: bool
         remaining_hours = config.get_remaining_hours()
         status_text, status_color, expire_display = main.format_account_expiration(remaining_hours)
 
-        is_avail = account_manager.is_available
-        dot_color = "#34c759" if is_avail else "#ff3b30"
-        dot_title = "可用" if is_avail else "不可用"
+        # 检查账户是否过期
+        is_expired = config.is_expired()
+
+        # 如果过期，覆盖状态显示为灰色和"过期禁用"
+        if is_expired:
+            status_text = "过期禁用"
+            status_color = "#9e9e9e"
+            dot_color = "#9e9e9e"
+            dot_title = "过期禁用"
+            card_style = 'style="opacity: 0.5; background: #f5f5f5;"'  # 灰色样式
+        else:
+            is_avail = account_manager.is_available
+            dot_color = "#34c759" if is_avail else "#ff3b30"
+            dot_title = "可用" if is_avail else "不可用"
+            card_style = ''
 
         accounts_html += f"""
-        <div class="card account-card">
+        <div class="card account-card" {card_style}>
             <div class="acc-header">
                 <div class="acc-title">
                     <span class="status-dot" style="background-color: {dot_color};" title="{dot_title}"></span>

main.py

@@ -263,6 +263,12 @@ class AccountManager:
 
     async def get_jwt(self, request_id: str = "") -> str:
         """获取 JWT token (带错误处理)"""
+        # 检查账户是否过期
+        if self.config.is_expired():
+            self.is_available = False
+            logger.warning(f"[ACCOUNT] [{self.config.account_id}] 账户已过期，已自动禁用")
+            raise HTTPException(403, f"Account {self.config.account_id} has expired")
+
         try:
             if self.jwt_manager is None:
                 # 延迟初始化 JWTManager (避免循环依赖)
@@ -380,10 +386,10 @@ class MultiAccountManager:
                     raise HTTPException(503, f"Account {account_id} temporarily unavailable")
                 return account
 
-            # 轮询选择可用账户
+            # 轮询选择可用账户（排除过期账户）
             available_accounts = [
                 acc_id for acc_id in self.account_list
-                if self.accounts[acc_id].should_retry()
+                if self.accounts[acc_id].should_retry() and not self.accounts[acc_id].config.is_expired()
             ]
 
             if not available_accounts: