https://blog.zeelu.me/blogThinking on craft, motion and what it takes to ship brave digital products.enThu, 27 Aug 2026 00:00:00 GMThttps://blog.zeelu.me/blog/knitting-image-import/https://blog.zeelu.me/blog/knitting-image-import/Chart Minder's image importer, derived stage by stage: grid detection as projection profiles of edge energy with a median gap estimator, three sampling estimators for a cell's color, and Hartigan's leader algorithm doing the clustering a k-means would be wrong for. With the arithmetic written out, a worked example, and references to where each method comes from.Thu, 27 Aug 2026 00:00:00 GMTcomputer-visionalgorithmscanvastypescripthttps://blog.zeelu.me/blog/livephoto-tracking/https://blog.zeelu.me/blog/livephoto-tracking/How LivePhoto's tracking was tuned: a matcher patched to stop locking onto screenshots (6 → 15 inliers plus geometric pose gates), a motion-gated dead-band smoother that kills jitter without adding lag, and a first-frame budget that makes the lock feel free. All numbers from source, all thresholds tuned on real phones.Tue, 11 Aug 2026 00:00:00 GMTwebarcomputer-visionperformancetypescripthttps://blog.zeelu.me/blog/cloudflare-vs-supabase-personal-project/https://blog.zeelu.me/blog/cloudflare-vs-supabase-personal-project/A personal take on Supabase vs. Cloudflare for side projects — why I left, where Supabase still wins, and the real architecture, performance, and cost differences, with examples from apps I actually shipped.Wed, 17 Jun 2026 00:00:00 GMThttps://blog.zeelu.me/blog/why-i-stopped-building-agent-tools/https://blog.zeelu.me/blog/why-i-stopped-building-agent-tools/An honest account of why I mostly stopped shipping agent tools — the cost that keeps moving, the effort that's mostly glue, the fact that everyone is building the same all-purpose agent, and the uncomfortable truth that models improve faster than your code can stay relevant. Plus what I still build, and why research is the real leverage.Wed, 17 Jun 2026 00:00:00 GMThttps://blog.zeelu.me/blog/linkedin-plugin/dev-note-backend-functions/https://blog.zeelu.me/blog/linkedin-plugin/dev-note-backend-functions/A comprehensive architectural deep dive into the 7+ microservices that power Job Assistant. Parallel agent swarms, structured JSON extraction, and building "anti-robotic" attributes on the Edge.Mon, 15 Dec 2025 00:00:00 GMTprojectbackendedge-functionssupabasehttps://blog.zeelu.me/blog/linkedin-plugin/dev-note-frontend-architecture/https://blog.zeelu.me/blog/linkedin-plugin/dev-note-frontend-architecture/Deep dive into the frontend engineering challenges of Job Assistant - DOM extraction, Style Isolation and Caching strategies.Sun, 14 Dec 2025 00:00:00 GMTprojectextensionhttps://blog.zeelu.me/blog/linkedin-plugin/dev-note-job-assistant/https://blog.zeelu.me/blog/linkedin-plugin/dev-note-job-assistant/The development note for Job Assistant, an AI-powered Chrome extension to streamline the job application process.Sat, 13 Dec 2025 00:00:00 GMTprojectextensionjob-huntaihttps://blog.zeelu.me/blog/chatbot/chatbot-frontend/https://blog.zeelu.me/blog/chatbot/chatbot-frontend/The chatbot web applciationMon, 27 Oct 2025 00:00:00 GMTprojectfrontendchatbotvisualizationhttps://blog.zeelu.me/blog/chatbot/visulization-service/https://blog.zeelu.me/blog/chatbot/visulization-service/The development plan for visulization serviceSun, 26 Oct 2025 00:00:00 GMTprojectplanchatbotvisualizationhttps://blog.zeelu.me/blog/chatbot/design-serverless-function/https://blog.zeelu.me/blog/chatbot/design-serverless-function/The design of serverless function for visualization serviceTue, 14 Oct 2025 00:00:00 GMTprojectserverlessCICDchatbotvisualizationhttps://blog.zeelu.me/blog/chatbot/setup-superset/https://blog.zeelu.me/blog/chatbot/setup-superset/Complete guide to deploying Apache Superset on Kubernetes with PostgreSQL database driver support, including troubleshooting common issuesFri, 10 Oct 2025 00:00:00 GMTprojectchatbotk8ssupersethttps://blog.zeelu.me/blog/chatbot/setup-k8s/https://blog.zeelu.me/blog/chatbot/setup-k8s/How to setup kubernetes service on Digital OceanFri, 10 Oct 2025 00:00:00 GMTprojectchatbotk8shttps://blog.zeelu.me/blog/chatbot/plan/https://blog.zeelu.me/blog/chatbot/plan/The development plan for BI chatbotThu, 09 Oct 2025 00:00:00 GMTprojectplanchatbothttps://blog.zeelu.me/blog/diagram-designer/dev-note/https://blog.zeelu.me/blog/diagram-designer/dev-note/The development note for Diagram Designer, including architect, snippets, components and challenges.Wed, 08 Oct 2025 00:00:00 GMTprojectdesignnote