"Ship fast with Python. Go deep with Rust."
| Layer | Stack | Purpose |
|---|---|---|
| Application (L7) | Python · FastAPI · PostgreSQL · Pytest | Fast, testable business value |
| Infrastructure (L3/L4) | Rust · io_uring · zero‑copy IPC | Low latency, bare‑metal control |
- aegis-proxy — L4 TCP proxy · +8.4k RPS · P99 <1 ms · thread‑per‑core · zero‑alloc hot path ✅
- chronos_lsm — LSM‑Tree key‑value store · WAL · bloom filters · compaction · ~15k reads/s · ~10.5k writes/s ✅
- celer_mock — Complex Event Processing engine · zero‑copy ring buffer 🟡
- vanguard-infrastructure — RYŪ monitoring dashboard · frontend live, backend in progress 🟡
Full‑stack booking API with natural language processing, pessimistic concurrency control, and enterprise‑grade architecture.
Week 10 / 11 ████████████████████░ 95%
| Module | Feature | Status |
|---|---|---|
| Core API | FastAPI + Swagger (v1.0.0) | ✅ |
| AI Assistant | Gemini · intent extraction · ISO 8601 normalization | ✅ |
| Database | PostgreSQL + SQLAlchemy · strict constraints | ✅ |
| Performance | Composite indexes · enum types · query tuning | ✅ |
| Architecture | Audit mixins (created_at / updated_at) · type‑safe models |
✅ |
| Migrations | Alembic · clean version history | ✅ |
| Containers | Docker · optimized multi‑stage builds | ✅ |
| Auth | JWT · role‑based access (User / Admin) | ✅ |
| Data Integrity | SELECT FOR UPDATE · soft delete |
✅ |
| Testing | Pytest · 100% logic coverage | ✅ |
| Linting | Ruff · zero‑error policy | ✅ |
| Cloud | AWS deploy (RDS + App Runner) | ⏳ Next |
| CI/CD | GitHub Actions pipeline | ⏳ Next |

