Practical engineering studies, intelligent systems, and open software projects by Ray. Built with clarity, zero bloat, and verified evidence.
In-depth engineering notes, multi-agent review workflows, and developer infrastructure explained through working examples.
Learn how to model and format date and time in Android with Kotlin by separating absolute instants, local calendar values, time zones, localization, and testable presentation logic.
A practical guide to Firebase Cloud Messaging observability that separates send acceptance, aggregated delivery, app processing, and user interaction instead of treating one success response as proof of delivery.
A practical 2026 workflow for automating everything around Medium publishing while keeping the unsupported provider boundary manual and verifiable.
Independent utilities and productivity software engineered by RayLabs.
Free, private cross-device sync for your Obsidian vault using your private GitHub repository. Zero subscriptions, zero terminal, native on iOS & desktop with 3-way merge conflict safety.
Public repositories and active software tools created by Ray across Android, web, and automation.
RayLabs publishes canonical technical notes here first, then syndicates select articles to the wider Medium community.
A multi-agent review pipeline for AI coding work separates implementation, independent review, final audit, and risk-based human approval...
Choose where an AI coding agent should run by separating interactive development, always-on orchestration, and heavy build workloads.
A Product Manager can spend one hour discussing a user story, another hour reviewing a roadmap, and later the same day looking at...
