feat: add Atlas native app UX overhaul

Packages/AtlasDomain/Tests/AtlasDomainTests/AtlasDomainTests.swift

@@ -0,0 +1,44 @@
+import XCTest
+@testable import AtlasDomain
+
+final class AtlasDomainTests: XCTestCase {
+    override func setUp() {
+        super.setUp()
+        AtlasL10n.setCurrentLanguage(.zhHans)
+    }
+
+    func testPrimaryRoutesMatchFrozenMVP() {
+        XCTAssertEqual(
+            AtlasRoute.allCases.map(\.title),
+            ["概览", "智能清理", "应用", "历史", "权限", "设置"]
+        )
+    }
+
+    func testScaffoldFixturesExposeRecoveryItems() {
+        XCTAssertFalse(AtlasScaffoldFixtures.recoveryItems.isEmpty)
+        XCTAssertGreaterThan(AtlasScaffoldFixtures.findings.map(\.bytes).reduce(0, +), 0)
+    }
+
+
+    func testSettingsDecodeDefaultsLanguageToChineseWhenMissing() throws {
+        let data = Data("""
+        {
+          "recoveryRetentionDays": 7,
+          "notificationsEnabled": true,
+          "excludedPaths": []
+        }
+        """.utf8)
+
+        let settings = try JSONDecoder().decode(AtlasSettings.self, from: data)
+
+        XCTAssertEqual(settings.language, .zhHans)
+        XCTAssertEqual(settings.acknowledgementText, AtlasL10n.acknowledgement(language: .zhHans))
+    }
+
+    func testOnlyFullDiskAccessIsRequiredForCurrentWorkflows() {
+        XCTAssertTrue(PermissionKind.fullDiskAccess.isRequiredForCurrentWorkflows)
+        XCTAssertFalse(PermissionKind.accessibility.isRequiredForCurrentWorkflows)
+        XCTAssertFalse(PermissionKind.notifications.isRequiredForCurrentWorkflows)
+    }
+
+}