Initial commit: ASR v2 with multi-venv isolation

- faster-whisper, Qwen3-ASR, gateway 각 컴포넌트별 Python venv 분리
- 기본언어 한국어(ko)
- 처리내역 탭: 목록/상세/원본파일 재생/삭제
- 백엔드별 동적 모델 드랍다운
- /history, /uploads API 추가
- 기존 인스턴스(port 18100) 보존, 신규 port 18101

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Containerfile

@@ -0,0 +1,42 @@
+FROM docker.io/pytorch/pytorch:2.7.0-cuda12.6-cudnn9-runtime
+
+ENV PYTHONDONTWRITEBYTECODE=1 \
+    PYTHONUNBUFFERED=1 \
+    PIP_NO_CACHE_DIR=1 \
+    WHISPER_CACHE_DIR=/srv/asr/models-cache \
+    ASR_BASE_DIR=/srv/asr
+
+WORKDIR /app
+
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    ffmpeg \
+    libsndfile1 \
+    curl \
+    supervisor \
+    python3-venv \
+    && rm -rf /var/lib/apt/lists/*
+
+COPY envs/ /build/envs/
+
+# gateway venv — 경량, GPU 불필요
+RUN python -m venv /opt/venvs/gateway && \
+    /opt/venvs/gateway/bin/pip install --upgrade pip && \
+    /opt/venvs/gateway/bin/pip install -r /build/envs/gateway.txt
+
+# faster-whisper venv — CTranslate2가 CUDA 직접 처리
+RUN python -m venv /opt/venvs/faster_whisper && \
+    /opt/venvs/faster_whisper/bin/pip install --upgrade pip && \
+    /opt/venvs/faster_whisper/bin/pip install -r /build/envs/faster_whisper.txt
+
+# qwen3 venv — base image의 torch/CUDA 상속
+RUN python -m venv --system-site-packages /opt/venvs/qwen3 && \
+    /opt/venvs/qwen3/bin/pip install --upgrade pip && \
+    /opt/venvs/qwen3/bin/pip install -r /build/envs/qwen3.txt
+
+COPY app/ /app/
+
+RUN chmod +x /app/start.sh
+
+EXPOSE 8000
+
+CMD ["/app/start.sh"]