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docs(plan-fleet): stop claiming the child's permission mode is inherited (CLOUD-728) - #538
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CLOUD-728 `plan-fleet` says `create_session` inherits the caller's mode — measured three times, it never did, and five bundles ran unsupervised on the strength of it
Why
That sentence is false, and it is the second false claim CLOUD-672 has had to remove from this same paragraph. It landed as CLOUD-672's replacement for "plan mode is this environment's default" — one measurement generalised into a mechanism, which is the shape CLOUD-672's own finding names. Three observations, all 2026-08-19, same account, same environment, taken while dispatching CLOUD-703's six bundles:
Row 1 falsifies the committed sentence directly: five wave-1 children were dispatched from an The cost was paid, not hypothetical. All five wave-1 bundles ran in The second defect in the same paragraph is that the criterion reads as a symmetric choice ("pass it when attended, omit it when fire-and-forget"), which invites omission as the default. For an interactively-driven fan-out the human is standing by by construction, and the approval prompt is the cheapest review point there is — before any tokens are spent building. Claimed under Ready
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Included review availability: Your plan provides up to 10 included reviews per hour; 7 remain after this review. 📝 WalkthroughWalkthroughThe dispatch guidance now requires explicit ChangesPermission mode dispatch guidance
Estimated code review effort: 1 (Trivial) | ~5 minutes Merge Risk: ⚪ Minimal · up to This PR corrects inaccurate permission-mode guidance in documentation and updates a lockfile version entry; no actionable merge-blocking risk remains after normal checks and review. Possibly related PRs
🚥 Pre-merge checks | ✅ 5✅ Passed checks (5 passed)
✨ Finishing Touches🧪 Generate unit tests (beta)
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…ted (CLOUD-728) `plan-fleet` step 4 asserted that `create_session` inherits the caller's mode, so omitting `permission_mode` from an `auto` dispatcher yields `PERMISSION_MODE_AUTO`. It does not. Three observations over CLOUD-703's six bundles, one account and one environment: `auto` + omitted came up `default`; `plan` + `auto` was refused at the call; `plan` + `default` came up `plan`. No single rule fits all three, so the file now carries the rows rather than a generalisation over them, and tells the dispatcher to read the child's mode back instead of assuming the parameter took. That claim was itself CLOUD-672's replacement for "plan mode is this environment's default" — the second time one measurement was generalised into a mechanism in this paragraph. The criterion stays a property of the dispatch, with its default named: for an interactively-driven fan-out it resolves to `plan`, because someone steering a campaign is standing by by construction and the approval prompt is the cheapest review point there is. Reaching for `default` because waiting is inconvenient is what cost five wave-1 bundles their review — all came up `default` and ran to landed without their plans ever reaching the owner supervising them. `mem:workflow/agent-fanout` carried the same false inheritance claim and is corrected alongside, since it is what step 4 points at for the reasoning. Refs: CLOUD-728
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Inline comments:
In @.claude/commands/plan-fleet.md:
- Around line 136-137: Update the measurement attribution in the mode matrix
documentation near mem:workflow/agent-fanout: retain CLOUD-703 as the source of
the six-bundle matrix measurements, and clearly label CLOUD-672 and CLOUD-728 as
supporting incidents or evidence.
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.claude/commands/plan-fleet.mdstep 4 asserted, as fact:It does not. That sentence landed as CLOUD-672's replacement for "plan mode is this environment's default" — the second time in one paragraph that a single measurement was generalised into a mechanism.
What was measured
Three observations, 2026-08-19, one account and one environment, taken while dispatching CLOUD-703's six bundles:
permission_modepassedautodefaultplanautoplandefaultplanNo single rule fits all three. Omission does not inherit the caller's mode (row 1), and a value below the caller's is not honoured either (row 3) —
defaultis not aboveplan. What the rows do settle is that the reachable set is bounded by the dispatcher's own mode at the moment of the call, which drifts as plan mode is entered and left.What changed
Both files now carry the rows rather than a generalisation over them, so the next dispatcher compares against data instead of re-deriving the whole thing:
.claude/commands/plan-fleet.mdstep 4 drops the inheritance claim, records the three observations with their date, and tells the dispatcher to read the child's mode back after the call rather than assume the parameter took.plan. Someone steering a campaign is standing by by construction, and the approval prompt is the cheapest review point there is: it arrives before any tokens are spent building, where a review of the finished branch arrives after.default/autois for a dispatch nobody is watching, and "the dispatcher would rather not wait" is not that.mem:workflow/agent-fanoutcarried the identical false claim in the bullet step 4 points at for its reasoning, and is corrected alongside. Its 2026-08-11 and 2026-08-18 layers stay, so the sequence of what was believed when is still readable.The cost this is priced against
All five CLOUD-703 wave-1 bundles were dispatched with
permission_modeomitted, on the strength of the sentence above, and all five came updefault. They ran to landed without their plans ever reaching the owner who was supervising the campaign — the procedure's own criterion was satisfied and the dispatch did not deliver it. One of them (CLOUD-430) additionally parked on a per-call permission prompt after its code had already landed.The wave-2 bundle is the counter-example on the other side: dispatched in
plan, it claimed CLOUD-373, opened #536 and landedcd7b0ccwith no approval ever needed. Plan mode cost that bundle nothing.No new gate, deliberately
A removed false claim needs no mechanism, and inventing one to satisfy the rules-ship-with-mechanisms rule would be mechanism for its own sake. The instruction surface this file sits on is already gated by
policy-budgetandmemories-checkunderverify. The substantive obligation is that the text no longer asserts a mechanism the dispatch API does not exhibit, which is what the recorded rows make checkable by a later reader.Incidental
fuzz/Cargo.lockcarries a one-line version bump (0.0.82 → 0.0.87) regenerated by the toolchain during this branch's run. It is release-plz drift already onmain, not part of this change, and is included so the tree is clean rather than left for the next branch to re-do.Closes CLOUD-728
Summary by CodeRabbit
plan, while unattended dispatches may usedefaultorauto.