Add scenic selection and cooperation order flows aligned with Android.

Upgrade scenic picker with search, location sorting, permission apply/status, and blocking home dialog; add cooperation order module and order source picker improvements with unit tests.

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

suixinkanTests/PermissionApplyViewModelTests.swift

@@ -0,0 +1,85 @@
+//
+//  PermissionApplyViewModelTests.swift
+//  suixinkanTests
+//
+
+import XCTest
+@testable import suixinkan
+
+@MainActor
+/// 权限申请 ViewModel 测试。
+final class PermissionApplyViewModelTests: XCTestCase {
+
+    private var appStore: AppStore!
+    private var defaults: UserDefaults!
+
+    override func setUp() {
+        defaults = UserDefaults(suiteName: "PermissionApplyViewModelTests")!
+        defaults.removePersistentDomain(forName: "PermissionApplyViewModelTests")
+        appStore = AppStore(defaults: defaults)
+        appStore.saveRolePermissionList([
+            RolePermissionResponse(
+                role: RoleInfo(id: 10, name: "摄影师", roleCode: "PHOTOGRAPHER", notes: "拍摄"),
+                scenic: [ScenicInfo(id: 100, name: "已有景区", status: 1)]
+            ),
+        ])
+    }
+
+    override func tearDown() {
+        appStore.logout()
+        super.tearDown()
+    }
+
+    func testExistingScenicIsDisabledAfterLoad() async throws {
+        let scenicJSON = """
+        {"code":100000,"msg":"success","data":{"total":2,"list":[{"id":100,"name":"已有景区"},{"id":101,"name":"新景区"}]}}
+        """.data(using: .utf8)!
+        let api = HomeAPI(client: APIClient(environment: .testing, session: MockURLSession(responses: [scenicJSON])))
+        let viewModel = PermissionApplyViewModel(appStore: appStore)
+        viewModel.selectRole(RoleOption(id: 10, name: "摄影师", description: "拍摄", isSelected: true))
+
+        await viewModel.loadAvailableScenics(api: api)
+
+        let existing = viewModel.availableScenics.first { $0.id == 100 }
+        let fresh = viewModel.availableScenics.first { $0.id == 101 }
+        XCTAssertEqual(existing?.isDisabled, true)
+        XCTAssertEqual(existing?.isSelected, true)
+        XCTAssertEqual(fresh?.isDisabled, false)
+    }
+
+    func testSubmitValidationRequiresRoleAndScenic() async {
+        let api = HomeAPI(client: APIClient(environment: .testing, session: MockURLSession(responses: [])))
+        let viewModel = PermissionApplyViewModel(appStore: appStore)
+        var message: String?
+        viewModel.onShowMessage = { message = $0 }
+
+        await viewModel.submit(api: api)
+        XCTAssertEqual(message, "请先选择角色")
+
+        viewModel.selectRole(RoleOption(id: 10, name: "摄影师", description: "", isSelected: true))
+        await viewModel.submit(api: api)
+        XCTAssertEqual(message, "请至少选择一个景区")
+    }
+
+    func testSubmitSuccessReturnsApplyCode() async throws {
+        let scenicJSON = """
+        {"code":100000,"msg":"success","data":{"total":1,"list":[{"id":101,"name":"新景区"}]}}
+        """.data(using: .utf8)!
+        let submitJSON = """
+        {"code":100000,"msg":"success","data":{"code":"AP999"}}
+        """.data(using: .utf8)!
+        let api = HomeAPI(client: APIClient(environment: .testing, session: MockURLSession(responses: [scenicJSON, submitJSON])))
+        let viewModel = PermissionApplyViewModel(appStore: appStore)
+        viewModel.selectRole(RoleOption(id: 10, name: "摄影师", description: "", isSelected: true))
+        await viewModel.loadAvailableScenics(api: api)
+        if let scenic = viewModel.availableScenics.first(where: { $0.id == 101 }) {
+            viewModel.toggleScenic(scenic)
+        }
+
+        var applyCode: String?
+        viewModel.onSubmitSuccess = { applyCode = $0 }
+        await viewModel.submit(api: api)
+
+        XCTAssertEqual(applyCode, "AP999")
+    }
+}