Restore Dockerfile from c93b544

Dockerfile

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+FROM python:3.11-slim
+
+WORKDIR /app
+
+RUN apt-get update && apt-get install -y --no-install-recommends ffmpeg fonts-dejavu-core && rm -rf /var/lib/apt/lists/*
+RUN pip install --no-cache-dir fastapi uvicorn requests beautifulsoup4 lxml jinja2 yt-dlp huggingface_hub gTTS pillow edge-tts
+
+COPY . .
+
+EXPOSE 7860
+
+# CRITICAL: Use app_v2_entry.py which imports ONLY main.py (core APIs)
+# This bypasses the entire injection chain (app_run → app_final → ai_runtime_final6)
+# Guarantees index_v2.html is served clean without old JS patches
+CMD ["uvicorn", "app_v2_entry:app", "--host", "0.0.0.0", "--port", "7860"]