```

feat(iOS): 更新MNN后端模型配置优化性能

将MNN主模型从Qwen3.5-4B(~2.64GiB)降级为Qwen3.5-2B(~1.1GiB)，因为4B版本
实测运行过慢，影响用户体验。iPhone17+/SME2设备使用2B模型，保留MLX
兜底方案用于模拟器和备用场景，确保AI推理性能和存储效率的平衡。
```

康康/Features/Archive/HealthExportDetailView.swift

@@ -29,6 +29,8 @@ struct HealthExportDetailView: View {
                             RoundedRectangle(cornerRadius: Tj.Radius.md, style: .continuous)
                                 .strokeBorder(Tj.Palette.lineSoft, lineWidth: 1)
                         )
+
+                    AIDisclaimerFooter()
                 }
                 .padding(.horizontal, 20)
                 .padding(.vertical, 16)
@@ -117,7 +119,7 @@ struct HealthExportDetailView: View {
             }
             .buttonStyle(TjGhostButton(height: 44, fontSize: 13, horizontalPadding: 14))
 
-            ShareLink(item: export.content) {
+            ShareLink(item: AIDisclaimer.appended(to: export.content)) {
                 Label("分享", systemImage: "square.and.arrow.up")
                     .font(.tjScaled( 13, weight: .semibold))
                     .tracking(1)
@@ -149,7 +151,7 @@ struct HealthExportDetailView: View {
     }
 
     private func copy() {
-        UIPasteboard.general.string = export.content
+        UIPasteboard.general.string = AIDisclaimer.appended(to: export.content)
         copiedFlash = true
         DispatchQueue.main.asyncAfter(deadline: .now() + 1.4) {
             copiedFlash = false