Adds devcontainer

.devcontainer/Dockerfile

@@ -0,0 +1,24 @@
+FROM python:3.11-slim
+
+# Dev tools — not needed in production, but essential for development
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    git \
+    curl \
+    ffmpeg \
+    && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /app
+
+# Install Python dependencies
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Environment defaults (override via devcontainer.json remoteEnv)
+ENV OLLAMA_URL=http://host.docker.internal:11434/api/generate
+ENV MODEL_NAME=gemma4:e2b
+ENV PORT=8080
+ENV POLL_INTERVAL=21600
+ENV DATA_DIR=/app/data
+ENV TTS_VOICE=af_heart
+
+RUN mkdir -p /app/data/audio