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Latest Digest
Short notes: tools, follow-ups, or one production symptom.
What changed in the MCP draft: sessions and handshake are gone
Notes from the official MCP spec draft's changelog, compared against the 2025-11-25 version, focused on sessions, the handshake, MRTR, and migration impact.
Backend Notes
Server boundaries, timing, and real failures from one request.
How Handler Context reaches database queries
改过Updated:When Request.Context is canceled, and how database/sql QueryContext carries that cancel into a query from a business Handler.
Where timeouts bite after HTTP enters a Go process
改过Updated:Maps net/http.Server's ReadHeaderTimeout, ReadTimeout, WriteTimeout, and IdleTimeout to pin down exactly where a request stalls inside the process.
Frontend Lab
Interactive browser experiments with working code.
Scroll storytelling: smooth scroll, pin, parallax, progress
新A zero-dependency demo of four scroll storytelling techniques: smooth scrolling, pinned horizontal travel, parallax layers, and a scroll-driven counter, with a GSAP and Lenis counterpart.
Running 24,000 particles with raw WebGL
新Generate the initial particle data once, then calculate each frame's positions in a vertex shader. The complete interactive demo runs inside the post.
Agent Breakdowns
Loops, tools, state, and engineering trade-offs in Agent projects.
Breaking down Orloj: Agent runtime, control plane, and embedded console
改过Updated:A close read of Orloj's single-agent loop, multi-agent graph routing, tools and governance, and how the Go control plane, Postgres leases, and React console wire into the same resources. With core code and diagrams.
How I break down an Agent project
When I open an Agent repo or case study, this is the order I use to read and take notes.
Notes & Other
Loose notes that have not grown into a column yet.
What this blog is for
A short intro, and the kinds of notes I keep publishing here.
Full-stack learning: get one path working end to end
When learning full-stack work, stacking buzzwords matters less than walking one request from browser to data and back.