- BenchmarkView.vue: convert from monolithic view to tabbed shell; each tab is
now its own component (ClassifierTab, CompareTab, LlmEvalTab, StyleTab, VoiceTab)
- StyleTab + VoiceTab: new benchmark modes for style and voice model evaluation
- app/style.py: FastAPI router for style imitation benchmarks
- app/voice.py: FastAPI router for voice benchmark endpoints
- scripts/benchmark_style.py + benchmark_voice.py: headless runner scripts