feat(ADM-018): completed feature

work/artifacts/F-031/architect.md

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+# Architect — F-031 Start Script Dev
+
+## Summary
+`project/scripts/start-dev.sh` — un solo script que levanta infraestructura (Docker Compose), aplica migraciones y arranca el servidor en modo desarrollo.
+
+## Script steps
+1. Verifica Docker corriendo.
+2. `docker compose up -d postgres redis` (background).
+3. Espera a que postgres responda (polling, max 30s).
+4. `npm install` en `project/`.
+5. `npx node-pg-migrate up` en `project/`.
+6. `npm run dev` — levanta Fastify dev server.
+
+## Archivo
+- `project/scripts/start-dev.sh` (chmod +x)
+
+## Evidence
+- work/artifacts/F-031/implementer.md