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1aa97381f3
Follow-up to #11288, which warmed the VRAM estimate caches at startup and left the variant picker paying its own way. Describing an entry's variants probes the weight files of every build it offers, so the first time a model is opened costs 1.2-1.9s against a cold cache. That is the same cost as an estimate wearing a different hat, and it lands in the same caches underneath, so it belongs in the same pass rather than in a second mechanism. The warm-up now describes variants for the entries it walks. Entries that declare none cost nothing: the call is gated on HasVariants rather than attempted and discarded. The host resolve env is derived once for the run, since it describes the machine rather than the entry. Failure handling matches the estimate half. An entry whose variants cannot be described is logged at debug and skipped, and the estimate for that same entry is unaffected, because neither half is allowed to fail the other. Measured against a live instance with 1,595 models, first ever call to /api/models/variants/:id after a cold boot: before 1.2-1.9s after 2ms The warm-up's own cost barely moves: 3m0s to 3m19s for 300 entries, of which 40 declared variants. It stays bounded by the same knobs, and LOCALAI_VRAM_WARM_LIMIT=0 still turns the whole thing off. Assisted-by: Claude:claude-opus-5 [Claude Code] Signed-off-by: Ettore Di Giacinto <mudler@localai.io> Co-authored-by: Ettore Di Giacinto <mudler@localai.io>