IDEAS, DECISIONS & LESSONS

Journal

Notes on AI, architecture and building useful products.

878 articles

06 Oct 2026 · 9 min read

Access Control

Multi Tenant RAG: Enforce Access Control Before Retrieval

A reference architecture for tenant isolation, document ACLs, permission revocation, and authorization tests in RAG systems.

06 Oct 2026 · 5 min read

agentic-ai

AI Publishing in WordPress: Drafts, Review Receipts and Approval Boundaries

A tested NanoClaw publishing workflow with draft-first writing, content fingerprints, CMS permissions and explicit review limitations.

06 Oct 2026 · 5 min read

agentic coding

My Agent Didn't Forget. It Never Wrote Anything Down.

A Hacker News post about agent memory landed the same week I'd debugged a real dedup failure caused by exactly the problem it describes. I tested the fix against my own incident — here's what held up and what didn't.

06 Oct 2026 · 5 min read

agentic coding

Claude Cowork Just Did the Thing I Said Remote Control Wasn't Doing

In August I wrote that Claude Code's Remote Control was a sync layer, not a cloud migration, and that keeping execution local was the point. This week Anthropic moved Cowork's execution to the cloud by default. Here's why both were the right call — for different products.

05 Oct 2026 · 4 min read

english-lesson

English Lesson — Monday Morning: Networking & API Reliability Vocabulary

Daily English practice for tech professionals. Morning session covering timeout, retry, and API reliability vocabulary with pronunciation guide, exercises, and real-world examples.

04 Oct 2026 · 4 min read

english-lesson

English Lesson — Sunday Morning: Weekly Review — Top 5 Words & Idioms

Daily English practice for tech professionals. Morning session covering a review of this week's top words and idioms with pronunciation guide, exercises, and real-world examples.

03 Oct 2026 · 4 min read

agents

950 Agents, 21 Hours, 210M Tokens: What Anthropic's CRISPR Search Actually Proves About Fan-Out

Anthropic's life-sciences lab ran 950 agents in parallel to surface a possible new CRISPR-like enzyme system. The funnel math is a genuinely useful fan-out pattern — but the scientist pushback is the part worth reading closely.

03 Oct 2026 · 5 min read

agents

Three Decision Models Shipped in One Week — None of Them Wins Outright

Cloudflare's Clef/Clef-flash and Amazon's Strands Decider both launched October 1st aiming at TypeSafe's Jev. I lined up the real benchmark, latency, and pricing numbers — the category is real, but picking a winner depends entirely on which decision you're automating.

03 Oct 2026 · 4 min read

architecture

Durable Objects Are the Session, Containers Are the Muscle: Reading Cloudflare's Streamline

Cloudflare's new reference architecture for video processing splits a Worker, a Durable Object, and a Container into three distinct jobs. The split is the actual lesson — here's what each layer is for and when you'd copy this pattern.