新增直播模块，包含推流管理与相册流程

将直播推流管理与直播相册从首页占位页迁移为完整实现，包含 alive album OSS 上传、首页路由与单元测试。

Co-authored-by: Cursor <cursoragent@cursor.com>

suixinkanTests/Fixtures/alive_detail_success.json

@@ -0,0 +1,18 @@
+{
+  "code": 100000,
+  "msg": "success",
+  "data": {
+    "id": "8101",
+    "title": "景区晨间直播",
+    "cover_img": "https://cdn.example.com/alive/cover.jpg",
+    "push_url": "rtmp://push.example.com/live/8101",
+    "start_time": "1779505200",
+    "end_time": "1779508800",
+    "duration": "3600",
+    "status": "2",
+    "status_label": "直播中",
+    "manaul_push_mode": "2",
+    "manaul_push_state": "1",
+    "views_count": "1234"
+  }
+}