chahine — ~/work
chahine@paris:~/work$ ls -la --sort=impact

// 15 selected repositories — see all on github

meridian

Rust4

Self-hosted real-time sync engine with CRDT primitives, WebSocket live queries, and a TypeScript/React SDK.

nexus

Rust

Distributed search engine — QUIC transport, hybrid BM25 + vector scoring, gossip-based PageRank, ε-differential privacy.

flux

TypeScript

Canary deployments on a durable Temporal workflow in Effect v4 — step traffic, watch metrics, auto rollback on regression. No Kubernetes.

lumen

Go

Production-like air-gapped Kubernetes cluster — 5-layer security (OPA, PSS, NetworkPolicies, Falco, Cosign), Vault HA + mTLS, full observability, GitOps with ArgoCD.

os

Zig

x86_64 hobby operating system in Zig with a Lua shell, networking, and disk persistence — built for fun.

prox

Rust3

Lightweight, high-performance reverse proxy server written in Rust.

sqlens

Go6

SQL query analyzer and optimizer supporting MySQL, PostgreSQL, SQL Server, SQLite, and Oracle.

cargo-regress

Rust

Binary size regression analysis for Rust projects — compare symbol-level bloat between git commits.

arr-sync

Gleam4

Daemon that resyncs qBittorrent when Sonarr/Radarr renames or moves files — matches by BitTorrent piece hash, not filename.

airgap-pkg

Go4

Air-gapped package manager for securely transferring, signing, and verifying packages across offline systems.

beacon

Elixir

Distributed, real-time log aggregation system in Elixir — designed to rival the ELK stack on latency and resource efficiency.

orbit

TypeScript

Desktop workspace manager for AI coding CLIs — isolated sessions per project.

promptci

Python

Pytest for LLM prompts — write tests, detect regressions, run them in CI.

swiftspeed

Swift1

Minimal, native macOS menu bar app for testing your internet speed — download, upload, ping.

adecur

TypeScript

Website for ADECUR, an association supporting condominium unions on the Massy-Antony district heating network.