feat: healthcheck, security headers, prod-readiness checklist#68
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Code-deliverable parts of the production-readiness work (#59): - GET /api/health pings the database (200 ok / 503 down), unauthenticated and side-effect free, for liveness/readiness probes. - Baseline security headers on every response in next.config.ts (X-Frame-Options, X-Content-Type-Options, Referrer-Policy, Permissions-Policy, HSTS, DNS-prefetch off). Strict CSP tracked as a follow-up (needs App Router nonces). - docs/production-readiness.md tracks the checklist with status and a zero-PII/secrets logging policy. The README WIP banner stays: DB backups (tied to the deferred hosting decision) and a strict CSP are still pending. Refs #59
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What
Ships the code-deliverable parts of the production-readiness work. Refs #59 (does not close it).
How
GET /api/health: pings the DB (SELECT 1), returns 200{status:"ok",db:"up"}or 503{status:"error",db:"down"}. Unauthenticated, side-effect free, no PII; for liveness/readiness probes.next.config.ts:X-Frame-Options: DENY,X-Content-Type-Options: nosniff,Referrer-Policy,X-DNS-Prefetch-Control: off,Permissions-Policy(camera/mic/geo off),Strict-Transport-Security(2y, includeSubDomains, preload).docs/production-readiness.md: checklist with per-item status plus a zero-PII/secrets logging policy.Still pending (WIP banner stays)
Content-Security-Policy(needs App Router per-request nonces).Refs #59
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