feat: add webm support (#1391)

feat: inpaint improvements (#1357)

* inpaint: get max pixel max instead of single sample

* inpaint: masked diffusion for inpainting models with inflated mask

* refactor tensor interpolate nearest-like reduction paths and generalize max_pool_2d

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Co-authored-by: leejet <leejet714@gmail.com>

chore: make libwebp optional and support system libwebp (#1387)

Co-authored-by: leejet <leejet714@gmail.com>

feat: add webp support (#1384)

feat: ancestral sampler implementations for flow models (#1374)

* feat: add support for the eta parameter to ancestral samplers

* feat: Euler Ancestral sampler implementation for flow models

* refine flow ancestral sampling and normalize eta defaults

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Co-authored-by: leejet <leejet714@gmail.com>

feat(cli): add metadata inspection mode (#1381)

fix: use resolved image size in embedded metadata (#1382)

feat: show tensor loading progress in MB/s or GB/s (#1380)

feat(server): add generation metadata to png images (#1217)

chore(server): link winsock2 for non-MSVC windows (#1378)