fix: 编辑补丁版本时重新合并生成全量包

当编辑版本并更新文件时，如果是补丁包类型，需要重新与基础全量包合并生成新的全量包

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

backend/internal/router/admin/versions.go

@@ -511,6 +511,37 @@ func handleUpdateVersionGlobal(c *gin.Context) {
 				log.Printf("[INFO] Removed old file: %s\n", oldFilePath)
 			}
 		}
+
+		// 如果是补丁包，需要重新合并生成全量包
+		updateType := version.UpdateType
+		if req.UpdateType != "" {
+			updateType = req.UpdateType
+		}
+		if updateType == "patch" && version.BaseVersionID != nil {
+			var baseVersion model.Version
+			if err := database.DB.First(&baseVersion, *version.BaseVersionID).Error; err == nil {
+				baseFullPackagePath := baseVersion.FullPackagePath
+				if baseFullPackagePath == "" {
+					baseFullPackagePath = baseVersion.FilePath
+				}
+
+				fullPkgPath, fullPkgSize, fullPkgHash, err := MergePatchWithFullPackage(
+					baseFullPackagePath,
+					req.FilePath,
+					version.ApplicationID,
+				)
+				if err != nil {
+					log.Printf("[ERROR] Failed to merge patch with full package: %v\n", err)
+					response.Error(c, 500, "合并补丁包失败: "+err.Error())
+					return
+				}
+
+				updates["full_package_path"] = fullPkgPath
+				updates["full_package_size"] = fullPkgSize
+				updates["full_package_hash"] = fullPkgHash
+				log.Printf("[INFO] Updated full package: %s, size: %d\n", fullPkgPath, fullPkgSize)
+			}
+		}
 	}
 
 	if len(updates) == 0 {