A mindful purchasing decision tool. Users add items they want to buy, and a conversational AI engages them in a focused 3-10 turn dialogue, probing motivations before delivering a verdict: Spend, Save, or Repair/Upgrade.

Privacy-first: no accounts, no cloud sync, no data collection. Everything lives in the browser's IndexedDB. The 220-line system prompt IS the product.

An internal team PWA for collaboratively tracking shared daily food expenses. Includes client-side LSTM expense prediction via TensorFlow.js and full offline capability.

Three meal categories (morning/lunch/evening), weekday-only validation, Firebase Auth with email domain restriction, stacked line chart analytics.

This site. An Astro-powered portfolio and engineering blog, AI chat widget, light/dark theme, Mermaid diagrams, and multi-platform publishing.

Zero JS by default (islands architecture), JSON-LD structured data, RSS feed, sitemap, dual analytics, and a persona-driven AI assistant.