{"record":{"id":"d0774253568105fb","repo":"flipped-aurora/gin-vue-admin","slug":"packageinfo-label","errorCode":null,"errorMessage":"packageInfo.label 不能为空","messagePattern":"packageInfo\\.label 不能为空","errorType":"validation","errorClass":null,"httpStatus":null,"severity":"error","filePath":"server/mcp/gva_execute.go","lineNumber":312,"sourceCode":"\t\treturn errors.New(\"packageType 必须是 'package' 或 'plugin'\")\n\t}\n\n\tif plan.NeedCreatedPackage && plan.PackageInfo != nil && plan.PackageType != plan.PackageInfo.Template {\n\t\treturn errors.New(\"packageType 和 packageInfo.template 必须保持一致\")\n\t}\n\n\tif plan.NeedCreatedPackage {\n\t\tif plan.PackageInfo == nil {\n\t\t\treturn errors.New(\"当 needCreatedPackage=true 时，packageInfo 不能为空\")\n\t\t}\n\t\tif plan.PackageInfo.PackageName == \"\" {\n\t\t\treturn errors.New(\"packageInfo.packageName 不能为空\")\n\t\t}\n\t\tif plan.PackageInfo.Template != \"package\" && plan.PackageInfo.Template != \"plugin\" {\n\t\t\treturn errors.New(\"packageInfo.template 必须是 'package' 或 'plugin'\")\n\t\t}\n\t\tif plan.PackageInfo.Label == \"\" {\n\t\t\treturn errors.New(\"packageInfo.label 不能为空\")\n\t\t}\n\t\tif plan.PackageInfo.Desc == \"\" {\n\t\t\treturn errors.New(\"packageInfo.desc 不能为空\")\n\t\t}\n\t}\n\n\tif plan.NeedCreatedModules {\n\t\tif len(plan.ModulesInfo) == 0 {\n\t\t\treturn errors.New(\"当 needCreatedModules=true 时，modulesInfo 不能为空\")\n\t\t}\n\n\t\tfor moduleIndex, moduleInfo := range plan.ModulesInfo {\n\t\t\tif moduleInfo.Package == \"\" {\n\t\t\t\treturn fmt.Errorf(\"模块 %d 的 package 不能为空\", moduleIndex+1)\n\t\t\t}\n\t\t\tif moduleInfo.StructName == \"\" {\n\t\t\t\treturn fmt.Errorf(\"模块 %d 的 structName 不能为空\", moduleIndex+1)\n\t\t\t}","sourceCodeStart":294,"sourceCodeEnd":330,"githubUrl":"https://github.com/flipped-aurora/gin-vue-admin/blob/3136500ef380842b0eb6c4daa87c3f8a47fcf9e0/server/mcp/gva_execute.go#L294-L330","documentation":"packageInfo.label is a required human-readable display name used in generated menus/pages when the package is created. validateExecutionPlan rejects an empty Label because a missing label would leave generated UI with a blank title.","triggerScenarios":"executionPlan with needCreatedPackage=true and packageInfo.label equal to \"\" or omitted.","commonSituations":"Filling in only technical fields and skipping display metadata; LLM-generated plans omitting Chinese display names; form submissions where the label field was optional in the UI but required here.","solutions":["Set packageInfo.label to a short display name (e.g. \"订单中心\").","Default the label from the package name if no explicit label is available.","Add label to the plan-building UI/form as a required input.","Validate required packageInfo fields client-side before calling the tool."],"exampleFix":"// before\npackageInfo: { packageName: \"order-center\", template: \"plugin\", desc: \"订单管理\" }\n\n// after\npackageInfo: { packageName: \"order-center\", template: \"plugin\", label: \"订单中心\", desc: \"订单管理\" }","handlingStrategy":"validation","validationCode":"function requireLabel(plan) {\n  if (plan.needCreatedPackage && !plan.packageInfo?.label?.trim()) {\n    throw new Error('packageInfo.label (display name) is required');\n  }\n  return plan;\n}","typeGuard":"function hasPackageLabel(plan) {\n  return !plan.needCreatedPackage || (typeof plan.packageInfo?.label === 'string' && plan.packageInfo.label.trim().length > 0);\n}","tryCatchPattern":"try {\n  return await callTool('gva_execute', { executionPlan: plan });\n} catch (err) {\n  if (String(err.message).includes('packageInfo.label 不能为空')) {\n    plan.packageInfo.label = plan.packageInfo.packageName; // fallback display name\n    return callTool('gva_execute', { executionPlan: plan });\n  }\n  throw err;\n}","preventionTips":["Make label a required input in any plan-building form","Default label from the package name when the user does not provide one","Include label/desc in a single buildPackageInfo() helper so they are never skipped"],"tags":["mcp","validation","go","execution-plan"],"backgroundTag":"missing-required-field","analyzedSha":"3136500ef380842b0eb6c4daa87c3f8a47fcf9e0","analyzedAt":"2026-08-31T13:50:02.721Z","schemaVersion":2},"datasetVersion":"2026-08-31T19:17:28.585Z"}