Replace blanket no-mutation language with the admitted-corridor rule: ADR-governed path, visible preconditions, auditable telemetry, and replay evidence before action.
Math ratification is documented as the first admitted proposal corridor. Corpus, pack, workflow, arbitrary file, and unadmitted proposal mutation remain forbidden.
* feat(workbench-ui): design system v1 scaffold
* fix(workbench): close R1 (GroundingSource enum coverage) + R4 (digest test)
R1 — Promote GroundingSource to a typed Literal in core/epistemic_state.py
so it has the same single-source-of-truth shape as ReviewState. The
existing epistemic_state_for_grounding_source() function already
enumerates the six labels (pack, teaching, vault, partial, oov, none);
this codifies them.
scripts/dump-enums.py now snapshots GroundingSource via the existing
literal_values helper. workbench-ui's enumCoverage.test.ts gains a
fourth assertion that the badge mapping matches the Python source
1:1. Adding a grounding-source value on the Python side without
updating the badge fails the build-time test loud — same discipline
as the other three enums.
R4 — Add an explicit DigestBadge test to StableJsonViewer.test.tsx:
asserts the badge text matches the SHA-256 prefix of the source bytes,
and clicking the badge copies the FULL digest (not the truncated
prefix). Recomputes the expected digest via crypto.subtle to avoid
hard-coding a hex string that could drift.
R2 (component-level reduced-motion enforcement), R3 (EmptyState
copy-CLI affordance), and R5 (`uv run core` packaging paper cut) are
deferred — R2/R3 become meaningful with W-027/W-029, R5 is a
packaging-layer concern outside this PR's scope.
Validation:
- pnpm test: 19 passed (was 17, +1 enum coverage, +1 digest test)
- pnpm build: clean
- pnpm test:enum-coverage: 4 passed
- core test --suite smoke -q: 67 passed
