Idempotent: create dirs, write README + Meta pages (only if missing — never clobber user edits), git init + initial commit. Reference links are seeded only when composition explicitly supplies sources. Safe to re-run.
Idempotent: create dirs, write README + Meta pages (only if missing — never clobber user edits), git init + initial commit. Reference links are seeded only when composition explicitly supplies sources. Safe to re-run.