## Symptom
Grafana's \`app-crash-log\` alert fires on every deploy. The Loki query
that backs it (\`ERR_|FATAL|uncaughtException|…\`) matches:
Error [ERR_MODULE_NOT_FOUND]: Cannot find module
'/app/apps/journal/app/lib/logger.server' imported from
'/app/apps/journal/app/lib/email.server.ts'
A real bug, not a false positive: \`email.server.ts\` line 2 was
\`import { logger } from \"./logger.server\"\` — no extension.
## Why typecheck didn't catch it
\`tsconfig.base.json\` sets \`moduleResolution: \"bundler\"\`. The bundler
resolver accepts extensionless relative imports because Vite / esbuild
/ webpack resolve them at build time. TypeScript was happy.
Production runs \`node --experimental-strip-types server.ts\`, which
uses Node's NodeNext ESM resolver — strict about extensions. The two
resolvers disagree silently for files Node loads directly (server.ts,
\`.server.ts\` modules dynamically imported from it, and jobs).
## Fix
1. **Added \`.ts\` extensions to the 4 broken imports** I could find:
- \`apps/journal/app/lib/email.server.ts\` → \`./logger.server.ts\`
(the actual deploy-blocker)
- \`apps/planner/app/lib/brouter.ts\` → \`./route-merge.ts\`, \`./http.server.ts\`
- \`apps/planner/app/lib/use-nearby-pois.ts\` → \`./overpass.ts\`
- \`packages/map/src/MapView.tsx\` → \`./layers.ts\` (caught by the rule)
2. **Added \`eslint-plugin-import-x\` with \`import-x/extensions: always\`**,
scoped to files Node actually executes raw:
- \`apps/*/server.ts\`
- \`apps/*/app/lib/**/*.server.ts\`
- \`apps/*/app/jobs/**/*.ts\`
- \`packages/*/src/**/*.{ts,tsx}\`
Ignored: route-scoped \`*.server.ts\` files (bundled by Vite into the
React Router build, never loaded by Node), and test files (Vitest's
own resolver).
## What's still possible
- Non-\`.server.ts\` files in \`app/lib\` (e.g. \`legal.ts\`, \`actor-iri.ts\`)
could still ship extensionless imports. They're not in the lint
scope. If one breaks at runtime we can extend the glob — for now
they tend to be tiny utility modules that don't import other
relatives.
- The deeper fix would be \`moduleResolution: nodenext\` for server-side
tsconfig, or bundling the server code so Node never sees raw \`.ts\`.
Bigger surgery; the lint rule covers the failure mode for now.
Full repo: pnpm typecheck / lint / test all green after \`pnpm install\`.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Magic links open in the device browser, not the OAuth in-app browser,
so the session doesn't carry over. A login code lets mobile users
type a 6-digit code from their email into the login page instead.
- Generate 6-digit numeric code alongside magic link token
- Store code in magic_tokens table
- Add verify-code step to login API endpoint
- Show code input UI after magic link is sent
- Include code in email template
- i18n keys for code UI (en + de)
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Health endpoints:
- /api/health (Journal) and /health (Planner) with DB connectivity check
- Docker healthchecks updated to use app health endpoints
Structured logging:
- Pino with JSON output in production, pretty-print in dev
- Request logging middleware in Planner (method, path, status, duration)
- Replaced console.log/error with structured logger in email and auth flows
Prometheus metrics:
- prom-client with default Node.js metrics + custom histograms/gauges
- /metrics endpoints on both apps
- http_request_duration, planner_active_sessions, brouter_request_duration
Monitoring stack:
- Prometheus, Loki, Grafana containers in docker-compose
- Grafana provisioned with datasources, dashboards, and alert rules
- Caddy access logging (JSON to stdout for Loki)
- grafana.trails.cool with basic auth via Caddy
Dashboards and alerting:
- Overview: request rate, error rate, latency p50/p95/p99
- Planner: active sessions, connected clients, BRouter latency
- Infrastructure: memory, CPU, event loop lag
- Alerts: disk >80%, app down 2min, error rate >5%
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Transactional emails:
- Add nodemailer SMTP email module with dev-mode console logging
- Magic link template and welcome template with HTML + plain text
- Wire sendMagicLink into login flow, sendWelcome into registration
- Update privacy page and deploy docs for SMTP configuration
Planner features:
- No-go areas: draw polygons on map (leaflet-geoman), synced via Yjs,
passed to BRouter as nogos parameter, route recomputes on change
- Session notes: collaborative Y.Text textarea in sidebar tab
- Crash recovery: periodic localStorage save of Yjs state, restore on reconnect
- Rate limit session creation (10/IP/hour) in /new route
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
