feat: member portal Sprint 6 — Seva + multi-signal gamification
- SevaOpportunity + SevaEntry + GamificationEvent models + migration
- GamificationService: multi-signal point table (helpful answer +10, seva +20,
event +5, FAQ +15, welcome +3, profile +5, business +5), idempotent award via
unique(userId,type,refId), lifetime + time-decayed "recent" score, leaderboard
- SevaModule: admin CRUD + mark-entry-complete (awards SEVA_COMPLETED points)
- Member endpoints in MyController: GET /my/seva, POST /my/seva/:id/signup|cancel
- PROFILE_COMPLETED auto-awarded on profile update (name+hometown+interest)
- /my/seva page: points hero with per-type breakdown, open opportunities w/ signup,
leaderboard (respects directoryVisible), my seva history
- Member + admin BFF routes; Seva & Points nav item
- Register GamificationModule + SevaModule; add SEVA_* audit actions
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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