GET /api/contributors/{handle} — returns CI score, badges, domain
breakdown, role percentages, contribution timeline, review stats.
GET /api/contributors/list — leaderboard with min_claims filter.
Git-log fallback for contributors not in pipeline.db (Cameron, Alex).
Badge system: FOUNDING CONTRIBUTOR, BELIEF MOVER, KNOWLEDGE SOURCER,
DOMAIN SPECIALIST, VETERAN, FIRST BLOOD.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>