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feat(model): secondary unet override slot and ideogram4 native loading

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One UNET override cannot serve dual-transformer arches: ideogram4
conditional/unconditional and wan combined-stage experts need separate
files, and previously a single override landed on both experts.

- sd_unet_secondary option with per-slot tracking, consumed-state sync,
  arch-change reset, and incompatible-override fallback
- dropdown renders beside the primary, follows it into quicksettings,
  and is visible only for dual-transformer model types
- ideogram4 native single-file spec with a quant-aware fused-qkv
  converter; such converters run before comfy_quant detection via
  TransformerSpec.converter_handles_quant
- quicksettings render in configured order (sort keyed on the option
  object and always fell back to alphabetical)
- post-load dtype warning skips quantized transformers
This commit is contained in:
CalamitousFelicitousness
2026-07-11 05:52:10 +01:00
parent 3831e4563f
commit 8c884c1e02
13 changed files with 551 additions and 72 deletions
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webui.py
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@@ -184,6 +184,7 @@ def load_model():
shared.opts.onchange("sd_model_refiner", wrap_queued_call(lambda: modules.sd_models.reload_model_weights(op='refiner')), call=False)
shared.opts.onchange("sd_vae", wrap_queued_call(lambda: modules.sd_vae.reload_vae_weights()), call=False)
shared.opts.onchange("sd_unet", wrap_queued_call(lambda: modules.sd_unet.load_unet(shared.sd_model)), call=False)
shared.opts.onchange("sd_unet_secondary", wrap_queued_call(lambda: modules.sd_unet.load_unet_secondary(shared.sd_model)), call=False)
shared.opts.onchange("sd_text_encoder", wrap_queued_call(lambda: modules.sd_models.reload_text_encoder()), call=False)
shared.opts.onchange("temp_dir", modules.gr_tempdir.on_tmpdir_changed)
timer.startup.record("onchange")