2026  7

May  5

Product Evals: Travel Planner, Long Context, and The Weight Of Taste

May 22, 2026 · 4 min · 664 words · jiaxing ni

Context Engineering: Retrieval, Memory, and The Shape Of Evidence

May 22, 2026 · 3 min · 637 words · jiaxing ni

Agentic RL: Reward, Behavior, and The Long Shadow Of Feedback

May 22, 2026 · 4 min · 749 words · jiaxing ni

Evals As Instruments: Measuring What The Demo Hides

May 22, 2026 · 4 min · 729 words · jiaxing ni

Agent Design: Loops, Tools, and the Shape of Memory

May 22, 2026 · 4 min · 747 words · jiaxing ni

February  1

Building Njx’Log: The Full Stack of Hugo, PaperMod, and GitHub Pages

February 7, 2026 · 2 min · 340 words · jiaxing ni

January  1

Hello World

January 27, 2026 · 1 min · 74 words · jiaxing ni