Slow-test trim, OPTIMIZE tier (mechanical sweep). These files each
created and baselined a fresh database per test (~3-4.6s/test); they now
use the shared golden-template harness (TRUNCATE per test) or, where a
private database is genuinely required (postgres-health drift/VACUUM
subjects, allocator-cross-project RLS connection sets), a per-test
template clone instead of raw DDL. Zero assertion lines changed
(verified), identical test counts, 110/110 green. Deliberately left
alone: startup-factory-integration and embedded-lifecycle (own-database
boot IS the subject) and schema-applier (real DDL is the subject).
Measured: ~195s serial → ~30s for these files.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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