fix(mobile-upgrade): 添加解析失败时的友好提示

当 APK/IPA 解析失败时，显示黄色警告提示用户手动填写版本信息

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

frontend/mobile-upgrade/src/presentation/components/upload-modal.tsx

@@ -26,6 +26,7 @@ export function UploadModal({ onClose, onSuccess }: UploadModalProps) {
   })
   const [file, setFile] = useState<File | null>(null)
   const [error, setError] = useState<string | null>(null)
+  const [parseWarning, setParseWarning] = useState<string | null>(null)
 
   const handleFileChange = async (e: React.ChangeEvent<HTMLInputElement>) => {
     const selectedFile = e.target.files?.[0]
@@ -33,6 +34,7 @@ export function UploadModal({ onClose, onSuccess }: UploadModalProps) {
 
     setFile(selectedFile)
     setError(null)
+    setParseWarning(null)
 
     // Auto-detect platform from file extension
     let detectedPlatform: Platform = 'android'
@@ -56,7 +58,8 @@ export function UploadModal({ onClose, onSuccess }: UploadModalProps) {
       }))
     } catch (err) {
       console.error('Failed to parse package:', err)
-      // Don't show error, just let user fill in manually
+      // Show warning but allow user to fill in manually
+      setParseWarning('无法自动解析安装包信息，请手动填写版本号和构建号')
     } finally {
       setIsParsing(false)
     }
@@ -123,6 +126,12 @@ export function UploadModal({ onClose, onSuccess }: UploadModalProps) {
             </div>
           )}
 
+          {parseWarning && (
+            <div className="mb-4 p-3 bg-yellow-50 border border-yellow-200 rounded-lg text-yellow-700 text-sm">
+              {parseWarning}
+            </div>
+          )}
+
           <form onSubmit={handleSubmit} className="space-y-4">
             {/* File Upload */}
             <div>