```

refactor: 重命名项目名称从"体己"到"康康"

将整个项目的目录结构从"体己"重命名为"康康"，包括所有源代码文件、
资源文件、测试文件以及Xcode项目配置文件。此更改涉及项目中所有的
文件路径和应用入口点(App/TijiApp.swift → App/KangkangApp.swift)。
```

康康/Features/Archive/ArchiveFlow.swift

@@ -0,0 +1,61 @@
+import SwiftUI
+
+private enum ArchiveStep: Hashable {
+    case guide
+    case scan
+    case meta
+    case progress
+    case result
+}
+
+struct ArchiveFlow: View {
+    var onClose: () -> Void
+
+    @State private var step: ArchiveStep = .guide
+    @State private var capturedPages: Int = 1
+    @State private var totalPages: Int = 3
+
+    var body: some View {
+        ZStack {
+            switch step {
+            case .guide:
+                B1GuideView(
+                    onSingle: { withAnimation { totalPages = 1; step = .scan } },
+                    onMulti:  { withAnimation { totalPages = 3; step = .scan } },
+                    onSkip: onClose
+                )
+                .transition(.opacity)
+
+            case .scan:
+                B2ScanView(
+                    onShoot: { capturedPages = min(capturedPages + 1, totalPages) },
+                    onDone:  { withAnimation { step = .meta } },
+                    onClose: onClose,
+                    page: capturedPages,
+                    total: totalPages
+                )
+                .transition(.opacity)
+
+            case .meta:
+                B3MetaView(
+                    onAnalyze: { withAnimation { step = .progress } },
+                    onBack:    { withAnimation { step = .scan } }
+                )
+                .transition(.opacity)
+
+            case .progress:
+                B4ProgressView(onComplete: {
+                    withAnimation { step = .result }
+                })
+                .transition(.opacity)
+
+            case .result:
+                B5ResultView(
+                    onSave: onClose,
+                    onBack: { withAnimation { step = .meta } }
+                )
+                .transition(.opacity)
+            }
+        }
+    }
+}