* fix(models): preserve catalog on affinity bookkeeping
Related to #8697.
Focused follow-up to #8728; this does not replace or supersede that contribution.
* docs(changelog): record model catalog affinity fix
* fix(models): keep cold catalog builds responsive
* docs(changelog): record catalog responsiveness fix
* fix(models): snapshot auto candidate capabilities
* fix(models): invalidate capability catalog snapshots
* test(models): register catalog invalidation coverage
* fix(models): bulk-load catalog capability snapshots
Resolve synced capabilities and persisted overrides from one build-local view instead of repeating per-target SQLite reads. Keep ordinary runtime lookups on demand and preserve catalog generation invalidation.
Refs: #9199
* fix(models): snapshot catalog pricing once per build
Production profiling showed per-model models.dev pricing reads and JSON parsing dominated cold catalog builds. Reuse one build-local pricing snapshot during enrichment and yield before publication so queued health checks can run, while preserving fresh reads for ordinary callers.
* docs(changelog): record catalog pricing snapshot
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