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/UploadTests.swift

@@ -51,6 +51,10 @@ final class UploadTests: XCTestCase {
             OSSUploadPolicy.objectKey(fileName: "cover.jpg", scenicId: 9, moduleType: "project", date: date, uuid: uuid, timeZone: timeZone),
             "project/20260101/9/123456781234123412341234567890AB_cover.jpg"
         )
+        XCTAssertEqual(
+            OSSUploadPolicy.objectKey(fileName: "live.mp4", scenicId: 9, moduleType: "alive_album", date: date, uuid: uuid, timeZone: timeZone),
+            "live_albums/20260101/9/123456781234123412341234567890AB_live.mp4"
+        )
     }
 
     /// 测试 MIME 类型推断和 URL 拼接规则。