refactor: update artifact URLs and improve router device handling for better classification performance

feat(coach): disable verifier by default

feat(pipeline): implement sample pose caching and enhance upload handling

fix(hf-spaces): avoid pickling analysis progress callbacks

Implement grounded coach summary with HF SLM

feat(hf): use ZeroGPU for analysis

feat(report): stream analysis progress

feat(report): add annotated issue clips

refactor(app): remove unused quality guidance and markdown functions; improve code readability

Merge branch 'main' into issue-6-rep-analysis-variation

feat(ui): add React app for form analysis

Surface rep metrics in the app

refactor(ui): align annotated video size with source video

refactor(ui): clarify mocked downstream analysis

feat(renderer): generate annotated pose videos

refactor(exercises): centralize exercise definitions

feat(video): add intake quality gate

first commit