docs: revamp README + add AGENTS.md + refresh SKILLS.md

revert: remove hf_oauth and LoginButton (OAuth was a misdiagnosis)

feat(spaces+style): hf_oauth + gr.Progress + style 2-input + DWPose deps

fix(spaces): drop 123 GB of unused preload (storage cap was 150 GB)

fix(spaces): trim preload_from_hub to 10 entries (HF cap) + future-work doc

feat(spaces): preload_from_hub bakes models into image at build time

fix(spaces): pin sdk_version to 5.50.0

fix(spaces): suggested_hardware uses zero-a10g (ZeroGPU)

chore: rename Space title to 'LTX 2.3 Studio'

docs: README with Spaces front matter and local quickstart

Initial commit