- full consumer-shaped fixture set registered from the test binary via
register_template/register_partial only (ADR-008 machinery equality
in three caller-supplied text shapes: fixtures, runtime String,
inline literal)
- page composes fragment partials; the card fragment registers as its
own template, renders directly by name, and composes via include
- exact goldens pin html-escape posture (hostile data escaped, = and '
escapes, raw-output {{& }} slot verbatim)
- strict-mode render failure maps consumer-side to an error page built
from the typed Error's data, panic-free; source chain reachable
- determinism pinned across repeats, registry rebuilds, fresh
contexts, and both sinks (byte-identical, ADR-003)
- posture-B hygiene rows: no banner, no filesystem; no core changes
required (stop-and-book: nothing to book)