FROM python:3.12-slim

# Basic utilities agent installers commonly need (claude-code, codex, opencode).
# poppler-utils provides pdftotext: the grounding documents (playbook, commercial context) are
# shipped in their original PDF / Word form, and the agent has to read them itself.
RUN apt-get update && apt-get install -y --no-install-recommends \
    ca-certificates curl git unzip poppler-utils \
    && rm -rf /var/lib/apt/lists/*

# Skill + verifier dependencies. litellm is for the verifier's judge call;
# the docx stack is shared by the skill scripts and the verifier; pypdf is a
# pure-Python fallback reader for the PDF grounding documents.
RUN pip install --no-cache-dir \
    "python-docx==1.2.0" "docx-revisions>=0.1.5" "lxml>=5.0" "litellm>=1.83" "pypdf>=5.0"

# The contract-redliner skill (SKILL.md + scripts + vendored engine).
COPY skills/ /skills/

# Task documents: the contract to redline + grounding materials.
COPY app/ /app/
RUN python -c "import zipfile; zipfile.ZipFile('/app/contract.docx').testzip()"  # fails on an LFS pointer file

WORKDIR /app