Remove unused benchmark and cascade bridge scripts

Fix all ruff lint errors (68 errors → 0)

Fix diarization failing on clips longer than ~1min (#349)

Fix Qwen3 streaming decode budget and head loading

M5 benchmark figures: WER vs RTF scatter, 0.6B+1.7B MLX results

MLX benchmark: 1.7B SimulStreaming on M5 (WER 4.07%, RTF 0.944)

MLX benchmark: 0.6B SimulStreaming on M5 MacBook (WER 3.30%, RTF 0.263)

Merge branch 'benchmarks-h100'

reorganize benchmarks: move H100 results to benchmarks/h100/

final benchmark: Voxtral vLLM realtime streaming

update figures with Voxtral vLLM results

add Voxtral 4B to benchmark figures

update H100 benchmark figures with ACL6060 results

tune simul-kv: 2s inference interval, configurable min_new_seconds

fix simul-kv audio trim bug, add 1.7B v2 alignment heads