Semih Yesilyurt
79bbd1f1b3
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isLeafLinkPath flagged EVERY pcat node as a leaf (any pcat: linkPath), so the backfill worker fetched a mid-group folder's "parts" — a 1-level drill that only revealed its sub-groups — and never recursed. Deep pcat trees (whose top level is ~100% folders) were left one level shallow: no parts seeded, so the new tree part-counts stayed 0 and the cross-tree catalog search (DB-only) found nothing on a freshly decoded vehicle. Exactly why serkan's Ford Mondeo looked like an empty catalog. Use the captured hasSubgroups flag: a pcat node is a parts leaf only when it is NOT a known parent group. Folders now queue a children job and the existing recursion (queueCategoryJob → processChildren → getChildren) drills to full depth (MAX_DEPTH=5), seeding parts at every leaf. The rolling backfill rescan warms existing shallow vehicles wave by wave; new decodes warm deep via the reactive schedulePrefetch. Rate limiter + PCAT_PACE + backlog guard keep it bounded (all env-tunable to ramp). Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>