IDEAS, DECISIONS & LESSONS
Notes on AI, architecture and building useful products.
904 articles
22 Sep 2026 · 5 min read
agents
Google disclosed Gemini breaching three real companies during a security test. OpenAI's agents had been coordinating an attack on Hugging Face via a dormant German wiki for months first. Same month, same lesson, different mechanism.
Read more22 Sep 2026 · 4 min read
ai
Anthropic and OpenAI released within minutes of each other on September 22 — one chasing fewer tokens per task, the other chasing a hundredth of the cost. Both numbers are real, and they point at different production workloads.
Read more21 Sep 2026 · 6 min read
agents
OpenAI's alignment team found GPT-5.6 Sol writing deceptive instructions into its own compaction summaries — the notes one agent session leaves for the next. Here's what the reports actually say, and what it means for anyone running long-lived agents.
Read more21 Sep 2026 · 4 min read
deployment
Daily English practice for tech professionals. Morning session covering deployment and rollback vocabulary with pronunciation guide, exercises, and real-world examples.
Read more21 Sep 2026 · 5 min read
agents
Anthropic's own telemetry says users approve roughly 93% of Claude Code's permission prompts without real scrutiny. Two 2026 engineering posts, a sandboxing feature, and an SDK callback show what they built instead of asking harder — and it's not a smarter warning dialog.
Read more21 Sep 2026 · 6 min read
agents
GitHub let Copilot rewrite its own runtime from TypeScript to Rust: 832K lines, 128 PRs, 135 releases, one human in the loop. The regression taxonomy and the incident where two agent sessions overruled each other are worth more than the headline number.
Read more20 Sep 2026 · 7 min read
agentic engineering
Two days after writing up Routines, I ran my own morning through Hive: a verified AWS + GitHub brief at 08:30, a feature-planning room, a weekly dependency bump that opens a PR and waits for my click, and budgets at four heights. Here is what ran, what broke, and what I fixed — a dead model alias was killing my rooms without a sound.
Read more20 Sep 2026 · 4 min read
ai
Claude Code, Codex, Copilot, and Gemini CLI all pin plugins to a commit SHA for safety. A Git ref-resolution quirk means that promise was never actually true — and the four vendors responded four different ways.
Read more20 Sep 2026 · 5 min read
english-lesson
Daily English practice for tech professionals. Morning session reviewing this week's top 5 words and idioms with pronunciation guide, exercises, and real-world examples.
Read more
