docs: note 16k window + indel-score caveat in app Documentation tab

perf(app): full-output cache — cached example clicks return in ~50ms (vs ~10s)

fix(app): pre-warm example cache in background thread (was hitting startup timeout)

perf(app): pre-warm lru_cache for built-in examples at startup

perf(app): lru_cache on per-variant inference — example clicks now instant after first run

ux: show explicit error when sequence fetch fails

fix(spaces): defensive monkey-patch for gradio_client schema bool bug (No API found)

Initial deploy: MAGI variant interpreter (gradio_app)