Runware retired taskType:models; all 42 daily catalog 401s come from this
deprecated endpoint. Migrated to auth+modelSearch pair per Runware's
current API. Paginator fetches up to 5 pages x 100 = 500 models, filters
client-side to io:text-to-image in capabilities[]. Uses air identifier as
model id. Cache key bumped to v2 (prautoblogger_runware_model_cache_v2)
to invalidate v1 rows that used old taskType/requiresImage shape.
Failure cooldown: sync() records prautoblogger_runware_catalog_last_failure_at
on every error path. get_models() gates re-trigger via is_in_failure_cooldown()
which reads prautoblogger_runware_catalog_failure_cooldown_seconds (default
3600s). Success clears the timestamp. Caps cascade to ~24 errors/day.
300-line rule: fetching/normalization extracted to new companion class
PRAutoBlogger_Runware_Catalog_Fetcher (class-runware-catalog-fetcher.php,
205 lines). Catalog class: 261 lines. Autoloader picks up the new file.
Tests: normalize_models against real modelSearch fixture (redacted key);
cooldown behavior (failure->active->expired); sync clears timestamp; fallback
list always served when cache empty. 328/328 PHPUnit green.
Agent-Session: prab-v0183-20260612
