Raising the reviewer's turn budget did not change its fate, only its
reading: 43 tool uses instead of 22, still reaped mid-read with nothing
written, because the SDK ends a run at max-turns without warning and the
model never feels the deadline. The definitions now carry the deadline
themselves: reading is an allowance, batch Reads per turn, take the
decisive inputs first, sample instead of walking the tree, and write by
mid-budget, naming what went unread. A review built from what you saw
beats a perfect review that never arrives.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
A finish review reads the artifact, two full-page screenshots, the
approved comp, the quality-bar cards, and the contract before it may
write a word; at max-turns 12 the SDK reaps it mid-read and the parent
receives the opening sentence as the whole review. Observed twice in a
row (spawn and respawn) on the first real subagent run. The documenter
reads at least as much, and the asset producer pays per asset.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
From the paired Opus and Codex manual-run analyses. DESIGN.md moves to
the end of the flow and into a shipped documenter subagent that derives
the system from the built artifact: a rulebook written before the build
gets defended against reality, and a half-stable DESIGN.md hands the
design-system detector an unstable target that buries the build in
noise and invites laundering. The finish reviewer gains the handoff
that failed three times live: the parent captures desktop and mobile
screenshots and passes paths, the reviewer never attempts to render
and names missing inputs in one line, the parent verifies the
five-section return and respawns once on empty. Fidelity against the
approved comp joins its checks; the card keeps commitment only. The
comp ingredient inventory becomes a written gate with raster-by-default
materials and no gradient-as-texture, comps persist under
.impeccable/mocks, the degraded seed names the sandboxed-exec cause,
and the finish line is explicit: a clean detector pass is not finished.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Paul BakausandClaude Fable 5