新增项目、排期与邀请模块，并接入首页路由

将项目管理、排期管理与摄影师邀请流程从占位页迁移为完整实现，包含项目图片 OSS 上传与共享业务模型。

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

suixinkanTests/UploadTests.swift

@@ -47,6 +47,10 @@ final class UploadTests: XCTestCase {
             OSSUploadPolicy.objectKey(fileName: "bank.jpg", scenicId: 9, moduleType: "bank_card", date: date, uuid: uuid, timeZone: timeZone),
             "bank_card/20260101/9/123456781234123412341234567890AB_bank.jpg"
         )
+        XCTAssertEqual(
+            OSSUploadPolicy.objectKey(fileName: "cover.jpg", scenicId: 9, moduleType: "project", date: date, uuid: uuid, timeZone: timeZone),
+            "project/20260101/9/123456781234123412341234567890AB_cover.jpg"
+        )
     }
 
     /// 测试 MIME 类型推断和 URL 拼接规则。