Replace tags with official hackathon format

Final pre-submission: add missing badges, update metrics, fix paths

Restructure repo: src/, frontend/, modal/ dirs; update app_file paths; update .gitignore

Polish: latency logging, env var rename, piper-tts space_README, dead code cleanup

redesign: two-column layout with EB Garamond + improved glassmorphism

Add gr.Server custom frontend for Off-Brand Award

Switch LLM to Gemma 4 26B-A4B on L4, Whisper to T4

build-small-hackathon: upgrade Gradio 5.0.2 → 5.50.0 to fix bool/const schema bug

Pin python_version to 3.12 (audioop removed in 3.13), add pyaudioop fallback

Fix sdk_version to 5.0.2 (valid published version)

Switch TTS from Mistral API to edge-tts (free, neural French voice)

build-small-hackathon: initial Gradio + Modal app scaffold