FROM public.ecr.aws/x8v8d7g8/mars-base:latest

WORKDIR /app
ENV NODE_ENV=development

# Git time-travel: clone, then make the repo's default branch point AT the base
# commit with no future history — a real branch checkout (not a detached HEAD),
# future commits/tags gc'd away so the reference solution can't leak from history.
ARG BASE_SHA=1f2a18664f8aded292707fcafb01ff15ea33d3b8
RUN git clone https://github.com/dynamodb-toolbox/dynamodb-toolbox . \
 && DEFAULT="$(git remote show origin | sed -n 's/.*HEAD branch: //p')" \
 && git checkout -B "$DEFAULT" "$BASE_SHA" \
 && git remote remove origin \
 && for b in $(git for-each-ref --format='%(refname:short)' refs/heads | grep -vx "$DEFAULT"); do git branch -D "$b" || true; done \
 && for t in $(git tag); do git merge-base --is-ancestor "$t" HEAD 2>/dev/null || git tag -d "$t"; done \
 && git reflog expire --expire=now --all \
 && git gc --prune=now \
 && (git submodule update --init --recursive || true)

RUN npm install

# npm install rewrites package-lock.json with metadata-only churn (peer flags);
# restore it so `git status --porcelain` is EMPTY (a dirty lockfile would leak
# into every model.patch and false-fire the lockfile tripwire).
RUN git checkout -- package-lock.json && test -z "$(git status --porcelain)"

# v1.1 node-id scoring: vitest's built-in JUnit reporter is used at verify time
# (`--reporter=junit --outputFile=...`), then converted to CTRF with the
# OFFICIAL ctrf-io converter junit-to-ctrf (pinned). The global npm install
# lands under /usr/lib/node_modules and never touches /app's manifest or
# lockfile — the porcelain re-check below fails the build loudly if it did.
RUN npm install -g junit-to-ctrf@0.0.14 \
 && junit-to-ctrf --version \
 && test -z "$(git status --porcelain)"

# Disable git commit hooks (husky etc.): dev-workflow tooling, not task content.
# Broken hook environments otherwise block the agent's (and oracle's) commits.
RUN cd /app && git config core.hooksPath /dev/null

CMD ["/bin/bash"]
