fix: 认证系统、登录兼容性、运行时配置、钉钉通知及代码清理

- 实现 JWT 认证中间件，保护配置管理和任务删除接口
- 修复 ConfigView 登录按钮（Vue 3 inject 替代 $root）
- 页面刷新时通过 /api/auth/me 校验 token 有效性
- max_concurrent_builds 修改后运行时即时生效
- 实现钉钉 webhook 通知（构建成功/失败自动推送）
- 删除未使用的 useWebSocket composable
- log_streamer 使用 LOG_QUEUE_MAX_SIZE 配置常量

backend/services/notification.py

@@ -0,0 +1,93 @@
+"""钉钉通知服务"""
+import asyncio
+import hashlib
+import hmac
+import base64
+import time
+import urllib.parse
+import json
+import logging
+
+logger = logging.getLogger(__name__)
+
+
+def _sign(secret: str) -> tuple[str, str]:
+    """生成钉钉加签参数"""
+    timestamp = str(round(time.time() * 1000))
+    string_to_sign = f"{timestamp}\n{secret}"
+    hmac_code = hmac.new(
+        secret.encode("utf-8"),
+        string_to_sign.encode("utf-8"),
+        digestmod=hashlib.sha256,
+    ).digest()
+    sign = urllib.parse.quote_plus(base64.b64encode(hmac_code))
+    return timestamp, sign
+
+
+async def send_dingtalk(webhook_url: str, title: str, text: str, secret: str = ""):
+    """发送钉钉 Markdown 通知"""
+    import httpx
+
+    url = webhook_url
+    if secret:
+        timestamp, sign = _sign(secret)
+        url = f"{url}&timestamp={timestamp}&sign={sign}"
+
+    payload = {
+        "msgtype": "markdown",
+        "markdown": {"title": title, "text": text},
+    }
+
+    try:
+        async with httpx.AsyncClient(timeout=10) as client:
+            resp = await client.post(url, json=payload)
+            data = resp.json()
+            if data.get("errcode") != 0:
+                logger.warning(f"钉钉通知发送失败: {data}")
+    except Exception as e:
+        logger.warning(f"钉钉通知异常: {e}")
+
+
+async def notify_build_result(task, dingtalk_config: dict):
+    """发送打包结果通知"""
+    if not dingtalk_config.get("enabled") or not dingtalk_config.get("webhook_url"):
+        return
+
+    status = task.status
+    app_name = task.app_name
+    build_type = task.build_type
+    scheme_name = task.scheme_name
+
+    if status == "completed":
+        title = f"✅ {app_name} 打包成功"
+        lines = [
+            f"### ✅ {app_name} 打包成功",
+            f"- **应用**: {app_name}",
+            f"- **类型**: {build_type}",
+            f"- **Scheme**: {scheme_name}",
+            f"- **分支**: {task.branch}",
+        ]
+        if task.oss_url:
+            lines.append(f"- **下载链接**: [点击下载]({task.oss_url})")
+        text = "\n".join(lines)
+    elif status == "failed":
+        title = f"❌ {app_name} 打包失败"
+        error = task.error_message or "未知错误"
+        lines = [
+            f"### ❌ {app_name} 打包失败",
+            f"- **应用**: {app_name}",
+            f"- **类型**: {build_type}",
+            f"- **Scheme**: {scheme_name}",
+            f"- **分支**: {task.branch}",
+            f"- **错误**: {error}",
+        ]
+        text = "\n".join(lines)
+    else:
+        return
+
+    await send_dingtalk(
+        dingtalk_config["webhook_url"],
+        title,
+        text,
+        dingtalk_config.get("secret", ""),
+    )