Build Graph

Build or incrementally update the persistent code index (codegraph, .codegraph/ in the project root) for the current repository.

Core Rules

• The tool is the codegraph CLI (npm @colbymchenry/codegraph). Check codegraph --help once; a missing subcommand -> skip it, never invent flags.
• Missing CLI -> do not install here. Report Graph: unavailable and let /safe-code handle the one-time install question (see the safe-code skill's references/graph-integration.md).
• Writes only <project-root>/.codegraph/ (self-gitignored). Never run codegraph install unless the user answered yes to safe-code's one-time install question, and then only --target <this agent> --location global --yes (never --target all); never uninstall. Otherwise print the command (safe-code references/graph-integration.md).
• Telemetry: on first use in a session, print once: "codegraph sends anonymous usage stats; turn off with codegraph telemetry off or DO_NOT_TRACK=1." Never set it for the user.
• If the index cannot be built, do not block the parent workflow. Report it and continue with manual repo inspection.

Workflow

1. No .codegraph/ -> codegraph init -y from the project root (full build) — only when invoked to build (/safe-code --codegraph, or Step 3f with graph evidence in scope); an existing index is synced, never re-initialised.
2. .codegraph/ exists -> codegraph sync (incremental). full argument, branch switch, or obviously wrong results -> codegraph index (full rebuild).
3. "Index is locked" from a crashed run -> codegraph unlock, retry once.
4. Verify with codegraph status: files, nodes, edges, languages, "Index is up to date".
5. Report build status and any language coverage gaps.