{"record":{"id":"5eda99621f60f224","repo":"chatboxai/chatbox","slug":"resource-contains-a-duplicate-session-id-resour","errorCode":null,"errorMessage":"Resource contains a duplicate session id: ${resource.id}","messagePattern":"Resource contains a duplicate session id: (.+?)","errorType":"validation","errorClass":null,"httpStatus":null,"severity":"error","filePath":"src/renderer/packages/backup/types.ts","lineNumber":114,"sourceCode":"  const sessionIds = new Set<string>()\n  for (const session of manifest.sessions) {\n    if (sessionIds.has(session.id)) throw new Error(`Duplicate session id in manifest: ${session.id}`)\n    sessionIds.add(session.id)\n    if (session.meta.id !== session.id) throw new Error(`Session metadata id does not match: ${session.id}`)\n  }\n  for (const resource of manifest.resources) {\n    if (resourceIds.has(resource.id)) throw new Error(`Duplicate resource id in manifest: ${resource.id}`)\n    resourceIds.add(resource.id)\n    const ownResourceKeys = new Set<string>()\n    for (const key of resource.originalStorageKeys) {\n      if (ownResourceKeys.has(key)) throw new Error(`Resource contains a duplicate storage key: ${resource.id}`)\n      ownResourceKeys.add(key)\n      if (resourceKeys.has(key)) throw new Error(`Duplicate resource storage key in manifest: ${key}`)\n      resourceKeys.add(key)\n    }\n    const ownSessionIds = new Set<string>()\n    for (const sessionId of resource.sessionIds) {\n      if (ownSessionIds.has(sessionId)) throw new Error(`Resource contains a duplicate session id: ${resource.id}`)\n      ownSessionIds.add(sessionId)\n      if (!sessionIds.has(sessionId)) throw new Error(`Resource references an unknown session: ${sessionId}`)\n    }\n    if (resource.scope === 'session' && resource.sessionIds.length !== 1) {\n      throw new Error(`Session-scoped resource must reference exactly one session: ${resource.id}`)\n    }\n    if (resource.scope === 'global' && resource.sessionIds.length !== 0) {\n      throw new Error(`Global resource must not reference a session: ${resource.id}`)\n    }\n  }\n  const resourcesById = new Map(manifest.resources.map((resource) => [resource.id, resource]))\n  const sessionsById = new Map(manifest.sessions.map((session) => [session.id, session]))\n  for (const session of manifest.sessions) {\n    const ownResourceIds = new Set<string>()\n    for (const resourceId of session.resourceIds) {\n      if (ownResourceIds.has(resourceId)) throw new Error(`Session contains a duplicate resource id: ${session.id}`)\n      ownResourceIds.add(resourceId)\n      if (!resourceIds.has(resourceId)) throw new Error(`Session references an unknown resource: ${resourceId}`)","sourceCodeStart":96,"sourceCodeEnd":132,"githubUrl":"https://github.com/chatboxai/chatbox/blob/81571269addb6bafb589a920b2883f1e1e084fd1/src/renderer/packages/backup/types.ts#L96-L132","documentation":"Thrown when one resource's sessionIds array lists the same session more than once. A resource-to-session link must be unique within a single resource.","triggerScenarios":"resource.sessionIds contains a repeated sessionId for a single resource entry.","commonSituations":"Exporter appended the same session link twice; merge artifact; attachments concatenated without dedupe.","solutions":["Dedupe sessionIds within each resource.","Re-export.","Audit the exporter's session-attachment loop."],"exampleFix":"// before\nvalidateBackupManifestGraph(manifest)\n\n// after\nfor (const r of manifest.resources) {\n  r.sessionIds = [...new Set(r.sessionIds)]\n}","handlingStrategy":"validation","validationCode":"function resourcesHaveUniqueSessionRefsLocally(manifest: BackupManifest): boolean {\n  return manifest.resources.every((r) => new Set(r.sessionIds).size === r.sessionIds.length)\n}","typeGuard":null,"tryCatchPattern":"try {\n  validateBackupManifestGraph(manifest)\n} catch (error) {\n  if (/duplicate session id/.test((error as Error).message)) dedupeResourceSessionIds(manifest)\n  throw error\n}","preventionTips":["Append session links through a Set at export.","Re-validate after any resource merge."],"tags":["backup","manifest","validation","dedupe"],"backgroundTag":null,"analyzedSha":"81571269addb6bafb589a920b2883f1e1e084fd1","analyzedAt":"2026-08-12T21:51:44.981Z","schemaVersion":2},"datasetVersion":"2026-08-12T23:17:12.415Z"}