Files
msd-core/.changeset/calm-bears-howl.md
Tom Boucher 693f12ad56 refactor(#3187): give state field extraction one canonical owner (#3283)
* refactor(#3187): give state field extraction one canonical owner

stateFieldValue in state-document.cts becomes the single owner of the #1760
frontmatter-then-body fallback chain. The new whole-repo guard found 14
independent re-derivations where the epic scoped 5, all now routed through it:
cmdStateSnapshot (11), cmdStatePrune (2) and smart-entry fmScalar (1).

state validate was a gate that could not fail. Every warning it could emit sat
behind a phase resolved without the frontmatter tier, so a STATE.md whose phase
lives only in frontmatter skipped the drift scan entirely and returned
valid:true. It also read unstripped content, letting a frontmatter status: key
shadow the body field (#1255 class). Both fixed; output gains a scope field so
could-not-look stops being output-identical to looked-and-clean.

Verified on the remote runner.

* docs(#3187): document the state validate scope field and its reason codes

Adds docs/how-to/interpret-state-validate-results.md so a reader can tell
nothing-to-report from could-not-look, updates the COMMANDS.md and USER-GUIDE.md
entries, corrects the CONTEXT.md glossary overstatement about Current Position
sole ownership, and drops the changeset fragment.

* fix(#3187): close three drift-guard evasion shapes and test the refuse path

The isolated adversarial review found the ladder detector was evadable by
ordinary reformatting, not just deliberately: a member or computed operand
(fm.key / fm[key]) missed the bare-identifier backreference, a swapped tier
order missed a hardcoded number-then-boolean sequence, and a ladder wrapped
across lines missed single-line detection. All three now caught, each with its
own test plus a proven boundary control.

The frontmatter-parse refuse path on the destructive complete-phase route was
unreachable and therefore untested. It is now driven by an injected parse
failure and asserts STATE.md is byte-identical after the refusal, rather than
shipping untested defensive code on a path that rewrites user state.

Verified on the remote runner.

* fix(#3187): widen the drift guard to the prompt layer and disclose tier-2 changes

The code-review spec axis found the guard's scan surface was src/ only, which is
Decision 4(d)'s forbidden allowlist one directory wide - and it had a live miss:
gsd-core/workflows/smart-entry.md tells an agent to read status from frontmatter
or the body, a prose expression of this same chain. The surface now covers the
prompt layer. That one site carries a permanent written exemption rather than a
ratchet: it is the gsd-tools-is-down fallback, so it cannot call the owner by
construction, and a ratchet would imply removable debt that does not exist.

Two tier-2 output changes shipped undisclosed and are now named in the changeset
and docs: complete-phase's idempotency guard consulting frontmatter, and the
workstream inventory resolving frontmatter-only fields. docs/COMMANDS.md gains a
state complete-phase entry, which it never had.

Also records Amendment 5 on ADR-3180, extracts the duplicated frontmatter-parse
block the epic's own thesis forbids, and re-points two assertions from free-form
warning prose onto the structured drift object.

Verified on the remote runner.

* chore(#3187): backfill changeset PR number

pr:0 placeholder replaced with the real PR number now that #3283 exists.

---------

Co-authored-by: sim <sim@local>
2026-08-09 22:49:39 -04:00

1.3 KiB

type, pr
type pr
Changed 3283

state validate now runs its drift scan for STATE.md files whose phase lives only in frontmatter, instead of silently skipping the scan and reporting a false-clean result (#3162); it also no longer lets a frontmatter status: key shadow the body Status field. Its output gains a scope field (complete/truncated/unscoped/unreadable) reporting whether the check could actually run — valid still means no drift was found, and is not derived from scope. (#3187)

state complete-phase's idempotency guard now consults frontmatter current_phase (via the same fallback chain as state validate), so a STATE.md whose phase lives only in frontmatter is no longer silently rolled back on a re-run of state complete-phase --phase N. It also gains a new refusal path: when the frontmatter cannot be parsed, the command now errors out ("Unable to read STATE.md frontmatter; refusing to run complete-phase to avoid a destructive rollback") instead of guessing. (#3187)

workstream list/status/progress's per-workstream state projection (status, current_phase, last_activity) now resolves those fields from frontmatter when the body has no corresponding field, instead of reporting them absent — a frontmatter-only STATE.md's workstream inventory output changes accordingly. (#3187)