Initial commit: Korean voice-cloning TTS prototype

FastAPI backend, web UI, CosyVoice3/F5-TTS setup scripts, and handoff docs for GPU PC continuation.

Co-authored-by: Cursor <cursoragent@cursor.com>

scripts/setup_f5tts.sh

@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+# F5-TTS 전용 venv (NVIDIA CUDA)
+set -euo pipefail
+
+ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+VENV="$ROOT/.venvs/f5tts"
+
+python3 -m venv "$VENV"
+"$VENV/bin/pip" install -U pip wheel
+
+# CUDA 12.x PyTorch (서버 CUDA 버전에 맞게 cu124/cu128 조정)
+"$VENV/bin/pip" install torch torchaudio --index-url https://download.pytorch.org/whl/cu124
+"$VENV/bin/pip" install f5-tts
+
+echo "F5-TTS venv 준비 완료: $VENV"
+echo "테스트: $VENV/bin/python $ROOT/scripts/workers/f5_infer.py --help"