Add submit-task flow aligned with Android and extract profile edit page.

Implement task creation with cloud/local media, order linking, and OSS upload; wire home entry and move profile nickname/avatar editing to ProfileEditViewController.

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

suixinkanTests/TaskModelsTests.swift

@@ -0,0 +1,77 @@
+//
+//  TaskModelsTests.swift
+//  suixinkanTests
+//
+
+import XCTest
+@testable import suixinkan
+
+/// 任务模型编解码测试。
+final class TaskModelsTests: XCTestCase {
+
+    func testAddTaskRequestEncodesSnakeCaseFields() throws {
+        let request = AddTaskRequest(
+            scenicId: 10,
+            name: "测试任务",
+            orderNumber: "NO001",
+            remark: "描述",
+            urgentHour: 2,
+            cloudFile: [TaskCloudFileItem(fileId: 1, remark: "云备注")],
+            uploadFile: [TaskUploadFileItem(fileUrl: "https://cdn/a.jpg", fileName: "a.jpg", remark: "")]
+        )
+        let data = try JSONEncoder().encode(request)
+        let json = try JSONSerialization.jsonObject(with: data) as? [String: Any]
+
+        XCTAssertEqual(json?["scenic_id"] as? Int, 10)
+        XCTAssertEqual(json?["name"] as? String, "测试任务")
+        XCTAssertEqual(json?["order_number"] as? String, "NO001")
+        XCTAssertEqual(json?["photog_remark"] as? String, "描述")
+        XCTAssertEqual(json?["urgent_hour"] as? Int, 2)
+    }
+
+    func testAvailableOrderDecodesSnakeCaseFields() throws {
+        let json = """
+        {
+          "project_name": "航拍项目",
+          "order_number": "NO001",
+          "order_status": 1,
+          "order_status_label": "已付款",
+          "pay_time": "2024-01-01 10:00:00",
+          "user_id": 100,
+          "user_phone": "13800138000"
+        }
+        """.data(using: .utf8)!
+
+        let order = try JSONDecoder().decode(AvailableOrder.self, from: json)
+        XCTAssertEqual(order.projectName, "航拍项目")
+        XCTAssertEqual(order.orderNumber, "NO001")
+        XCTAssertEqual(order.orderStatusLabel, "已付款")
+    }
+
+    func testCloudFileListResponseDecodesList() throws {
+        let json = """
+        {
+          "total": 1,
+          "list": [
+            {
+              "id": 5,
+              "parent_folder_id": 0,
+              "file_url": "https://cdn/a.jpg",
+              "cover_url": "",
+              "updated_at": "",
+              "name": "图片1",
+              "created_at": "",
+              "child_num": 0,
+              "type": 2,
+              "file_size": 100
+            }
+          ]
+        }
+        """.data(using: .utf8)!
+
+        let response = try JSONDecoder().decode(CloudFileListResponse.self, from: json)
+        XCTAssertEqual(response.total, 1)
+        XCTAssertEqual(response.list[0].id, 5)
+        XCTAssertTrue(response.list[0].isImage)
+    }
+}