* Previewer refactors
Support visual previews for ACE-Step
Allow setting dtype for previewer model
Allow scaling q/k/v input and output for Sage
* Start updating docs and example configuration files
* Add slice blend modes
* Rewrite blend mode system.
More blend modes.
Added BlehCFGInitSampler.
Basic Sparge Attention support.
Make samplers a bit more compatible with wrapping wrappers.
* Add probinject and probsubtract_b blend modes
Add BlehLatentAsImage and BlehImageAsLatent nodes
* Add BlehModelPatchFastTerminate node
Update docs/changelog
Add cosinesimilarity blend modes (basically SLERP)
* Remove some dead code
Added a BlehEnsurePreviewer node to make sure Bleh previews get used.
Many new blend modes.
Removed match statements for better compatibility with old Python.
Better (hopefully) heuristic for arranging batch/multi-frame previews.
Internal refactoring/code cleanups.
Documentation updates.
Refactor stuff
Initial internal support for animated previews
Untested support for Hunyuan and Mochi TAEvid decoding
Add separate "batch" limit for video latent frames
blepping