{"record":{"id":"bd2e1b8010e812a6","repo":"BigPizzaV3/CodexPlusPlus","slug":"canvas-user-bd2e1b","errorCode":null,"errorMessage":"本批父节点未提供或不存在","messagePattern":"本批父节点未提供或不存在","errorType":"exception","errorClass":"Error","httpStatus":null,"severity":"error","filePath":"tools/conversation-canvas/public/canvas.user.js","lineNumber":248,"sourceCode":"  if(aliases)for(const n of value.upserts)if(Array.isArray(n?.sources))n.sources=n.sources.map(id=>Object.hasOwn(aliases,id)?aliases[id]:id);\n  const parts=new Map(batch.map(p=>[p.partId,p])),allowed=new Set(catalog.map(n=>n.id));\n  const old=new Map(state.nodes.map(n=>[n.id,n])),patch=new Map(),covered=new Set();\n  for(const n of value.upserts){\n    if(!n||typeof n.id!=='string'||patch.has(n.id)||(!allowed.has(n.id)&&(!n.id.startsWith(prefix)||old.has(n.id))))throw Error('本批节点 ID 无效或覆盖了未提供的节点');\n    if(!Array.isArray(n.sources)||!n.sources.length||!n.sources.every(id=>parts.has(id)))throw Error('本批引用了不存在的消息片段');\n    for(const field of ['title','summary','description','status'])if(typeof n[field]!=='string'||n[field].length>3000)throw Error('本批节点描述过长或无效');\n    const previous=old.get(n.id),evidence=[...(previous?.evidence||[])];\n    for(const id of new Set(n.sources)){covered.add(id);const {messageId,start,end,digest}=parts.get(id);evidence.push({messageId,start,end,digest});}\n    const revisions=[...(previous?.revisions||[])];\n    if(previous&&['summary','description','status'].some(k=>previous[k]!==n[k]))revisions.push({batch:state.batchCount,summary:previous.summary,description:previous.description,status:previous.status});\n    patch.set(n.id,{...n,sources:[...new Set([...(previous?.sources||[]),...n.sources.map(id=>parts.get(id).messageId)])],evidence,revisions});\n  }\n  if(covered.size!==batch.length){\n    const error=new Error('本批仍有未归入任务树的消息片段，进度未提交');\n    error.missingPartIds=batch.filter(part=>!covered.has(part.partId)).map(part=>part.partId);\n    throw error;\n  }\n  for(const n of patch.values())if(n.parent!==null&&!allowed.has(n.parent)&&!patch.has(n.parent)&&old.get(n.id)?.parent!==n.parent)throw Error('本批父节点未提供或不存在');\n  const nodes=state.nodes.map(n=>patch.get(n.id)||n);for(const [id,n] of patch)if(!old.has(id))nodes.push(n);\n  const oldRoot=state.nodes.find(n=>n.parent===null);\n  if(oldRoot&&nodes.find(n=>n.parent===null)?.id!==oldRoot.id)throw Error('本批改变了共同目标根节点');\n  const currentNodeId=value.currentNodeId??state.currentNodeId??null;\n  validateOrganization({requestId,nodes,currentNodeId},[...new Set(nodes.flatMap(n=>n.sources))].map(id=>({id})),requestId);\n  return {...state,schemaVersion:2,nodes,currentNodeId,batchCount:state.batchCount+1,done:{...state.done,...Object.fromEntries(batch.map(p=>[p.partId,true]))}};\n}\n\n// Save is an atomic durable checkpoint. A failed model call never commits its\n// coverage; a restart can resume its pending side-chat turn before resubmitting.\nasync function organizeLong({messages,record,save,run,signal,progress=()=>{},onGraph=()=>{},compact=false}){\n  const history=await prepareHistory(messages,signal);\n  const partIndex=new Map(history.parts.map(part=>[part.partId,part]));\n  const previous=record?.published;\n  let job=record?.job;\n  if(!job||!compatible(job.state.manifest,history.manifest)){\n    const incremental=previous?.done&&compatible(previous.manifest,history.manifest);\n    const state=incremental?{...previous,manifest:history.manifest}:{schemaVersion:2,nodes:[],currentNodeId:null,batchCount:0,done:{},manifest:history.manifest};","sourceCodeStart":230,"sourceCodeEnd":266,"githubUrl":"https://github.com/BigPizzaV3/CodexPlusPlus/blob/b1ed92e5e4a2d74095d4b8db5af43cef7acba9c6/tools/conversation-canvas/public/canvas.user.js#L230-L266","documentation":"After merging node fields, mergeBatch validates each node's parent reference: parent must be null (root), an id in the catalog's allowed set, an id present in this batch's patch, or match the node's previous parent. This throw fires when a node points at a parent id that is none of those — i.e., the parent node was not provided in this batch and does not exist in the allowed catalog.","triggerScenarios":"Model output sets n.parent to a fabricated id, an id from a different batch, or renames a parent without supplying the parent's upsert; also occurs when the model re-parents an existing node to a new node id not in the current patch.","commonSituations":"Multi-batch organization where the model builds cross-batch hierarchies referencing nodes created in other batches; hallucinated parent ids after alias remapping.","solutions":["Constrain the prompt: parents must be null, catalog ids, or nodes within the same batch upsert","Pre-validate parent ids against allowed ∪ patch keys before calling mergeBatch and fall back to null or a catalog id","Use the repair retry path so the model re-emits the batch with valid parents","If cross-batch parents are needed, first create the parent node in an earlier batch, then reference it by its catalog id"],"exampleFix":"// before\n{n.id:'n_x', parent:'n_ghost', ...}\n// after (pre-check)\nconst allowed=new Set(catalog.map(n=>n.id));\nconst patchIds=new Set(value.upserts.map(n=>n.id));\nfor(const n of value.upserts){\n  if(n.parent!==null && !allowed.has(n.parent) && !patchIds.has(n.parent)) n.parent=null;\n}","handlingStrategy":"validation","validationCode":"const allowed=new Set(catalog.map(n=>n.id));\nconst inBatch=new Set(value.upserts.map(n=>n.id));\nfor(const n of value.upserts)\n  if(n.parent!==null&&!allowed.has(n.parent)&&!inBatch.has(n.parent)) n.parent=null;","typeGuard":"function hasValidParent(n, allowed, inBatch){ return n.parent===null || allowed.has(n.parent) || inBatch.has(n.parent); }","tryCatchPattern":"try { mergeBatch(value,...) } catch(e){ if(e.message==='本批父节点未提供或不存在'){ resetInvalidParents(); retryMerge(); } else throw e; }","preventionTips":["Prompt the model to only use catalog ids or same-batch node ids as parents","Fall back to the existing root when a parent reference cannot be resolved","Create parent nodes in an earlier batch before referencing them"],"tags":["validation","tree-structure","parent-reference"],"backgroundTag":"resource-not-found","analyzedSha":"b1ed92e5e4a2d74095d4b8db5af43cef7acba9c6","analyzedAt":"2026-09-19T23:35:21.129Z","contentChangedAt":"2026-09-19T23:35:21.129Z","schemaVersion":2},"datasetVersion":"2026-09-23T08:17:48.524Z"}