{"record":{"id":"32e108b775f6a981","repo":"BigPizzaV3/CodexPlusPlus","slug":"organize-32e108","errorCode":null,"errorMessage":"任务树包含不存在的父节点","messagePattern":"任务树包含不存在的父节点","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"tools/conversation-canvas/organize.mjs","lineNumber":30,"sourceCode":"export function validateOrganization(value,messages,requestId) {\n  if(value?.requestId!==requestId||!Array.isArray(value.nodes)||!value.nodes.length)throw Error('整理结果格式不完整');\n  const sources=new Set(messages.map(m=>m.id)), nodes=[], ids=new Set();\n  for(const n of value.nodes){\n    if(!n||typeof n.id!=='string'||!/^[a-zA-Z0-9_-]{1,80}$/.test(n.id)||ids.has(n.id))throw Error('整理结果节点 ID 无效');\n    if(!['main','branch'].includes(n.lane)||!Array.isArray(n.sources)||!n.sources.length||!n.sources.every(id=>sources.has(id)))throw Error('整理结果包含无效来源');\n    for(const key of ['title','summary','description','status'])if(typeof n[key]!=='string'||!n[key].trim()||n[key].length>12000)throw Error('整理结果缺少节点描述');\n    if(n.parent!==null&&typeof n.parent!=='string')throw Error('整理结果父节点无效');\n    ids.add(n.id);nodes.push({id:n.id,parent:n.parent,lane:n.lane,title:n.title,summary:n.summary,description:n.description,status:n.status,sources:[...new Set(n.sources)]});\n  }\n  const roots=nodes.filter(n=>n.parent===null),byId=new Map(nodes.map(n=>[n.id,n]));\n  if(roots.length!==1||roots[0].lane!=='main')throw Error('任务树必须有且只有一个主目标根节点');\n  const checked=new Set();\n  for(const node of nodes){\n    const path=new Set();let current=node;\n    while(current&&!checked.has(current.id)){\n      if(path.has(current.id))throw Error('任务树存在循环关联');\n      path.add(current.id);\n      if(current.parent!==null&&!byId.has(current.parent))throw Error('任务树包含不存在的父节点');\n      current=current.parent===null?null:byId.get(current.parent);\n    }\n    for(const id of path)checked.add(id);\n  }\n  const currentNodeId=value.currentNodeId??null;\n  if(currentNodeId!==null&&!byId.has(currentNodeId))throw Error('当前推进节点不存在');\n  return {schemaVersion:2,currentNodeId,nodes};\n}\n\nexport function parseOrganization(text,messages,requestId) {\n  const blocks=[...text.matchAll(/```(?:json)?\\s*([\\s\\S]*?)```/g)].map(m=>m[1]);\n  for(const raw of [...blocks,text.trim()]){\n    let value;try{value=JSON.parse(raw);}catch{continue;}\n    if(value?.requestId===requestId)return validateOrganization(value,messages,requestId);\n  }\n  throw Error('侧边对话未返回可识别的整理结果');\n}\n","sourceCodeStart":12,"sourceCodeEnd":48,"githubUrl":"https://github.com/BigPizzaV3/CodexPlusPlus/blob/b1ed92e5e4a2d74095d4b8db5af43cef7acba9c6/tools/conversation-canvas/organize.mjs#L12-L48","documentation":"During the parent-chain walk, if a node's parent is not null and not a key in the byId map of already-validated nodes, the result references a parent node that was never defined. This error enforces referential integrity of the tree: every non-null parent must point to a node present in `nodes`.","triggerScenarios":"A node has parent:\"n9\" but no node with id \"n9\" exists in the array (typo, dropped node, id renamed); the model invents a parent id like \"root\" without including it as a node; a node was filtered out upstream but its children remain. Check: `current.parent!==null&&!byId.has(current.parent)`.","commonSituations":"Model truncates its JSON (nodes list cut off) leaving dangling parent references; prompt asks the model to link to a 'root' the model assumes exists implicitly; node ids regenerated between attempts so old parent ids no longer match; case-sensitivity mismatches (\"N1\" vs \"n1\").","solutions":["Collect every parent value from the JSON and diff against the set of node ids to find the dangling reference.","Retry with instructions that every referenced parent id must appear in the nodes array itself.","Add an explicit root node with parent:null and re-parent orphans under it.","Fix id typos/casing so parent references match existing node ids exactly."],"exampleFix":"// before: n2 references missing 'nX'\n{\"nodes\":[{\"id\":\"n1\",\"parent\":null},{\"id\":\"n2\",\"parent\":\"nX\"}]}\n// after\n{\"nodes\":[{\"id\":\"n1\",\"parent\":null},{\"id\":\"n2\",\"parent\":\"n1\"}]}","handlingStrategy":"validation","validationCode":"function hasNoDanglingParents(org){ const ids=new Set((org?.nodes||[]).map(n=>n?.id)); return (org?.nodes||[]).every(n => n?.parent===null || ids.has(n.parent)); }","typeGuard":"function parentExists(n, allIds){ return n?.parent===null || (typeof n?.parent==='string' && allIds.has(n.parent)); }","tryCatchPattern":"try { const org = parseOrganization(text, messages, requestId); } catch (e) { if (e.message === '任务树包含不存在的父节点') { /* re-ask model to include all referenced nodes */ } else throw e; }","preventionTips":["Instruct the model: 'every non-null parent id must appear as an id in the nodes array'.","Check output completeness — truncated JSON is a common cause of dangling parents.","Keep id generation deterministic so ids match across retries."],"tags":["validation","dangling-reference","tree-structure","llm-output"],"backgroundTag":"entity-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"}