A full-suite run failed intermittently, roughly one in six. Two causes, both
mine, both in test code rather than the library.
The performance fixture's setup repeated the same 100 mute-list writes 50 times
over with identical data — 5,000 calls where 100 give the same fixture — which
made construction expensive enough that individual tests occasionally exceeded
their timeout under load. The failures looked like assertion failures on
deterministic checks, which is what made them confusing. The fixture's shape
(5,000 targets, 500 authors, 100 muters per author, multiple categories and
contributors) is now asserted directly so it cannot silently degrade again.
The wall-clock assertion is gone. It measured the machine as much as the code —
85ms standalone versus 1606ms under vitest on the same commit — so it was flaky
rather than informative. Replaced with structural assertions that the snapshot
and its record maps are materialized once per batch, which is precisely the
regression that made a 5,000-target pass take ~47 seconds, and is deterministic.
Widget tests polled with vi.waitFor and its ~1s timeout. The async elements now
expose the in-flight promise as `pending`, so tests await completion directly.
That is also useful to hosts wanting to disable surrounding UI mid-action.
Six consecutive full-suite runs, 690 tests each, no failures.
Follows bitlogin's layering: the engine stays headless and the widget is a
consumer of the published API, never a dependency of it. Building it was also a
test of that API — an element needing something unexposed would have been a
finding, the way the commerce example was.
Viewer elements: governance-veil (blur on restrict, disclosure on hide, warning
on warn), governance-report, governance-status. Moderator elements:
governance-capabilities, governance-action, governance-admin-panel.
Deliberate behaviors:
- hidden content leaves the accessibility tree rather than being visually
covered, so a screen reader does not read out what the viewer must not see
- a hidden decision renders a disclosure, not nothing: content that silently
vanishes is indistinguishable from a bug and leaves no route to appeal
- refused moderator actions stay visible and name the missing capability. A
hidden button teaches nothing about the authority model, and the command
layer enforces the same check independently — the UI is an explanation,
never the gate
- no element computes policy; wording maps from stable reason identifiers and
is overridable per application
Found while building it: GovernanceAdminStore emitted only when reduced denial
state changed, so revoking a role that denied nobody announced nothing, leaving
capability-gated UI and the decision cache stale.
The root tsconfig deliberately omits the DOM lib — that absence is what keeps
core, nostr, and runtime from reaching for browser globals — so the widget
carries its own DOM-aware config rather than relaxing the guarantee globally.
687 tests; lint, typecheck, and the declaration build pass from a cold checkout.