From a RAG platform to real-time .NET services to open-source tooling that strangers run in their homes. Each one is on GitHub — code, tests, and the trade-offs included.
Production
Enhanced Weather Chart Card
Actively maintained Home Assistant custom card for weather forecasting with interactive charts, temperature gradients, timezone support, and daily/hourly toggle — available via HACS
Daily/Hourly forecast toggle with runtime switching between forecast types
6-level temperature gradient colors based on comfort zones (cold blue → hot red)
Multi-location timezone support for monitoring weather across different regions
2 more highlights
Smart unit conversion: automatic °F ↔ °C, inHg ↔ mmHg ↔ hPa, mph ↔ km/h
Real-time multi-stage data processing pipeline demonstrating queue management, backpressure, health monitoring, and automatic load balancing with live dashboard
3-stage pipeline (Generator→Processor→Aggregator) with configurable worker pools
Automatic backpressure detection and response when queues exceed thresholds
Circuit breaker pattern with health state machine (HEALTHY→UNHEALTHY→DEGRADED→DEAD→RECOVERED)
2 more highlights
Real-time SignalR dashboard with zero-polling updates (<2s latency)
148 tests passing (unit, integration, concurrency) with comprehensive test coverage
Production-ready REST API-based service registration and health monitoring platform with administrator approval workflow and real-time SignalR dashboard
Health state machine with automatic recovery (HEALTHY→UNHEALTHY→DEGRADED→DEAD→RECOVERED)
<500ms heartbeat response time (<26ms measured), 95% reduction in database writes via in-memory state
Real-time dashboard with zero-polling SignalR updates for service monitoring and approvals
2 more highlights
Pluggable storage backends (PostgreSQL, Redis, In-Memory) with EF Core migrations
Production security: HSTS, CSP, rate limiting, OpenAPI 3.0 docs with Scalar interactive UI
Production-ready RAG system for technical PDF manuals with 4 LLM providers (Phi-4, Llama local; Mistral, GPT cloud), enterprise resilience, and Clean Architecture
