- libs/ai-services: new POST /neighborhood/score router computing weighted
6-axis livability score from per-category POI counts; algorithm versioned
for future iteration (sigmoid curves, percentile thresholds).
- apps/api: HttpNeighborhoodScoreService proxies to Python first, falls back
to PrismaNeighborhoodScoreService when AI service unavailable. Mirrors the
HttpAVMService pattern. Existing GET /analytics/neighborhoods/:district/score
endpoint and CQRS handler now flow through the proxy.
- AnalyticsModule binds Http variant by default, retains Prisma variant as
injectable fallback.
- Tests: 5 pytest cases for Python heuristic, 4 vitest cases for HTTP proxy
fallback behaviour.
Co-Authored-By: Paperclip <noreply@paperclip.ing>
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