FROM node:22-bookworm-slim

# ── System dependencies ──────────────────────────────────────────────────────
# Build tools: needed for node-pty (native module) and Electron
# xvfb + libgtk: needed if running Electron inside container with virtual display
RUN apt-get update && apt-get install -y --no-install-recommends \
    git \
    curl \
    wget \
    ca-certificates \
    python3 \
    make \
    g++ \
    libx11-dev \
    libxkbfile-dev \
    libsecret-1-dev \
    libfontconfig1 \
    libgbm1 \
    libasound2 \
    xvfb \
    && rm -rf /var/lib/apt/lists/*

# ── Rust toolchain ───────────────────────────────────────────────────────────
ENV RUSTUP_HOME=/usr/local/rustup \
    CARGO_HOME=/usr/local/cargo \
    PATH=/usr/local/cargo/bin:$PATH

RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs \
    | sh -s -- -y --no-modify-path --default-toolchain stable \
    && rustup component add clippy rustfmt \
    && chmod -R a+w /usr/local/rustup /usr/local/cargo

# ── Claude Code CLI ──────────────────────────────────────────────────────────
RUN npm install -g @anthropic-ai/claude-code

# ── Workspace ────────────────────────────────────────────────────────────────
WORKDIR /workspace

# Context Studio Core is mounted at /opt/context-studio/core (read-only from host)
# Workflow lives at /workspace/workflow (per-project, writable)