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fix(board): one spec for next-cost, and it is the rubric's

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The board line's cost field had two specifications and one of them was this
script. `--help` prescribed a versionless `sonnet/xhigh`; the global model
rubric it points at spells the model `Sonnet 5 / xhigh`. A session following
either was correct by its own source, so the field drifted with nobody making
a mistake. Measured across a real 44-repo tree: 14 board lines carrying eight
distinct strings, and not one of them the form documented here - the only
spelling nobody used was ours.

The help now prescribes the rubric's, which is also what most lines already
carry. The parser is untouched and stays lenient: it reads to `;` or `-->` so
the rubric's spacing survives, and the fixtures still vary the spelling on
purpose to pin that. Read-side leniency was never the defect; it is what makes
a documentation-only fix sufficient.

No normalization at read, deliberately. Board lines are rewritten every session
by convention, so an unambiguous spec self-heals the existing lines in about one
session per active repo - mapping variants would be permanent code migrating
data that migrates itself. Nothing compares the field mechanically today either:
KOST is a display column and the board sorts on a numeric bucket key, so the
defect was real but latent. Two checks (28 -> 30) pin the documented form,
red first, because cleaning the data cannot fix a spec that regenerates the
divergence every session. Validation at write has no write path to attach to:
nothing in this repo emits a board line outside the fixtures.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01U6EixQo6hpoRCVtiAXdnFs
This commit is contained in:
Kjell Tore Guttormsen 2026-07-28 22:06:45 +02:00
commit 305f1687b7
5 changed files with 54 additions and 5 deletions
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README.md
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@ -124,7 +124,7 @@ Note that raising the inbox's priority (Rule 7) deliberately does **not** widen
## Development
bash scripts/coord-selftest.sh # 136 checks against a throwaway mailbox
bash scripts/board-selftest.sh # 28 checks against a throwaway repo tree
bash scripts/board-selftest.sh # 30 checks against a throwaway repo tree
npm test # both selftests via node --test
TDD is the house rule: every behavior change lands with a failing selftest check first.