Add meaningful unit tests for three server models with untested business
logic, each against an in-memory fake db (no DB required):
- pages.model: slug validation + reserved-name guard, slug immutability,
the protected ON-via-update / OFF-only-via-unprotect asymmetry, publish
stamping, draft invisibility to public reads, dup-slug → 409, block gate.
- shardState.model: partial-refresh field dropping (vitals must not clobber
login fields), is_idoc derivation, economy clamp/ordering/Number coercion,
presence zero-snapshot defaults, payload-fallback shaping, and the
camelCase read-shaping contract the site + Android client depend on.
- moderation.model: five-feed window merge, userSummary count/total
semantics (total sums unknown types too), and graceful degradation when
bot config is missing.
Lifts: pages.model 23%→82%, moderation.model 27%→85%,
shardState.model 33%→62% line coverage.
Co-Authored-By: Claude <noreply@anthropic.com>
wtclaude
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