{"record":{"id":"db73532aac239b8e","repo":"deepseek-ai/deepseek-harness","slug":"malformed-tag-storage-row-why","errorCode":null,"errorMessage":"malformed ${tag} storage row: ${why}","messagePattern":"malformed (.+?) storage row: (.+?)","errorType":"validation","errorClass":"Error","httpStatus":null,"severity":"error","filePath":"packages/core/session/src/chunk-rows.ts","lineNumber":225,"sourceCode":"      continue\n    }\n    const delta = event as DeltaEvent\n    const last = run[run.length - 1]\n    if (k === kind && last !== undefined && continues(last, delta, k)) {\n      run.push(delta)\n      continue\n    }\n    flush()\n    kind = k\n    run = [delta]\n  }\n  flush()\n  return out\n}\n\n/** Throw the uniform malformed-row diagnostic. */\nfunction malformed(tag: string, why: string): never {\n  throw new Error(`malformed ${tag} storage row: ${why}`)\n}\n\n/** Validate the shared run-data fields and the payload/dt arity; returns the member payload. */\nfunction validateRunData(tag: string, data: Record<string, unknown>, payloadKey: 'texts' | 'args'): string[] {\n  if (typeof data.turn !== 'number' || typeof data.step !== 'number' || typeof data.index !== 'number') {\n    malformed(tag, 'turn/step/index must be numbers')\n  }\n  const payload = data[payloadKey]\n  if (!Array.isArray(payload) || payload.length === 0 || payload.some(entry => typeof entry !== 'string')) {\n    malformed(tag, `${payloadKey} must be a non-empty string array`)\n  }\n  const dt = data.dt\n  if (!Array.isArray(dt) || dt.some(gap => !Number.isSafeInteger(gap))) {\n    malformed(tag, 'dt must be an array of safe integers')\n  }\n  if (dt.length !== payload.length - 1) {\n    malformed(tag, `dt length ${dt.length} does not match ${payload.length} members`)\n  }","sourceCodeStart":207,"sourceCodeEnd":243,"githubUrl":"https://github.com/deepseek-ai/deepseek-harness/blob/b150a551b8d465e31e418e1b2eaf5e79bbb7d28e/packages/core/session/src/chunk-rows.ts#L207-L243","documentation":"Error \"malformed ${tag} storage row: ${why}\" thrown in deepseek-ai/deepseek-harness.","triggerScenarios":"Thrown at packages/core/session/src/chunk-rows.ts:225 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Repair or delete the malformed storage row described by the reason."],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"b150a551b8d465e31e418e1b2eaf5e79bbb7d28e","analyzedAt":"2026-08-24T18:12:29.105Z","schemaVersion":2},"datasetVersion":"2026-08-24T22:17:12.610Z"}