fix: save file info when updating version

- Add file_path, file_size, file_hash, entry_file to UpdateVersionRequest
- Update these fields when saving version changes
- Update originalUploadedData after successful save

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

backend/internal/router/admin/versions.go

@@ -367,6 +367,10 @@ func handleCreateVersionGlobal(c *gin.Context) {
 
 type UpdateVersionRequest struct {
 	Version            string `json:"version"`
+	FilePath           string `json:"file_path"`
+	FileSize           int64  `json:"file_size"`
+	FileHash           string `json:"file_hash"`
+	EntryFile          string `json:"entry_file"`
 	UpdateStrategy     string `json:"update_strategy"`
 	UpdateType         string `json:"update_type"`
 	UpdateMethod       string `json:"update_method"`
@@ -420,6 +424,16 @@ func handleUpdateVersionGlobal(c *gin.Context) {
 	if req.Version != "" {
 		updates["version"] = req.Version
 	}
+	if req.FilePath != "" {
+		updates["file_path"] = req.FilePath
+	}
+	if req.FileSize > 0 {
+		updates["file_size"] = req.FileSize
+	}
+	if req.FileHash != "" {
+		updates["file_hash"] = req.FileHash
+	}
+	updates["entry_file"] = req.EntryFile
 	if req.UpdateStrategy != "" {
 		updates["update_strategy"] = req.UpdateStrategy
 	}