{ "provenance": { "source": "AV first-attempt public AskUserQuestion and matching successful tool result", "nativeUseAt": "2026-09-10T22:57:41.759Z", "nativeAcknowledgedAt": "2026-09-10T22:57:42.151Z", "publicProofSHA256": "6445dfdcbb6c23cded889f21661b15ab442e0ca7145fa466b2557c933b0a30f2", "paidOutcomesReclassified": false }, "call": { "sessionId": "e94d80fb-4c4c-4996-9e43-473546543a1e", "toolUseId": "toolu_01TpUbmSy197E5sM9WhbXiVN", "questions": [ { "question": "D7 — Journey stage REAL USAGE: run_eval takes (dataset, evaluator) but run_batch takes (evaluator, dataset). Fix in plan?\nProject/branch/task: gstack-plan-count-eTp162 on main, third friction point, Real Usage stage.\nELI10: docs/api.md lists the two public evaluation functions with the same two arguments in opposite positional order, and says neither requires keywords. A developer who learns run_eval and then calls run_batch by analogy passes a dataset where an evaluator is expected. Best case is a confusing type error deep inside the SDK; worst case is a silent wrong result if the objects happen to be duck-type compatible. Sibling functions in one SDK are expected to share argument order.\nStakes if we pick wrong: Every developer who graduates from single to batch evaluation hits this once, and the failure surfaces far from the call site.\nRecommendation: A because it removes the trap for everyone at once while keeping today's callers working through a deprecation window, which is the pit-of-success shape.\nCompleteness: A=10/10, B=8/10, C=6/10, D=1/10\nNet: consistent order plus a safety net, versus documenting a trap and hoping developers read the note.", "header": "Signatures", "multiSelect": false, "options": [ { "label": "Align order, keyword-only, deprecate (recommended)", "description": "✅ Both functions become `(dataset, evaluator)` with the two arguments accepted as keywords, so positional mistakes cannot happen once callers migrate. ✅ run_batch detects the legacy reversed positional call by type, emits a DeprecationWarning naming the fix, and still runs correctly for one minor release. ❌ Needs a type check on the legacy path and a changelog entry; touches a public signature in a beta. (human: ~1 day / CC: ~15 min)" }, { "label": "Keyword-only, no reorder", "description": "✅ Making both functions keyword-only removes the positional trap without changing either order. ✅ Call sites become self-documenting. ❌ Breaks every existing positional caller of both functions at once, with no deprecation window. (human: ~half day / CC: ~10 min)" }, { "label": "Document the difference", "description": "✅ No code change; docs/api.md gains a prominent note and a side-by-side example. ✅ Zero upgrade risk for current callers. ❌ Trap remains for anyone who does not read that note, which per the persona is most of them. (human: ~1 hour / CC: ~3 min)" }, { "label": "Acceptable friction, skip", "description": "✅ Nothing changes in code or docs before beta. ✅ The reversed order stays intentional as the draft states. ❌ A known inconsistency ships in a release whose stated goal is DX polish." } ] } ], "answered": true, "failed": false, "answers": { "D7 — Journey stage REAL USAGE: run_eval takes (dataset, evaluator) but run_batch takes (evaluator, dataset). Fix in plan?\nProject/branch/task: gstack-plan-count-eTp162 on main, third friction point, Real Usage stage.\nELI10: docs/api.md lists the two public evaluation functions with the same two arguments in opposite positional order, and says neither requires keywords. A developer who learns run_eval and then calls run_batch by analogy passes a dataset where an evaluator is expected. Best case is a confusing type error deep inside the SDK; worst case is a silent wrong result if the objects happen to be duck-type compatible. Sibling functions in one SDK are expected to share argument order.\nStakes if we pick wrong: Every developer who graduates from single to batch evaluation hits this once, and the failure surfaces far from the call site.\nRecommendation: A because it removes the trap for everyone at once while keeping today's callers working through a deprecation window, which is the pit-of-success shape.\nCompleteness: A=10/10, B=8/10, C=6/10, D=1/10\nNet: consistent order plus a safety net, versus documenting a trap and hoping developers read the note.": "Align order, keyword-only, deprecate (recommended)" }, "unansweredQuestionIndices": [], "answeredAt": "2026-09-10T22:57:42.151Z" } }