AIOS v2: The Scope Is the Filesystem
A restructure log: what broke in the AIOS v1 tree at multi-scope scale, why identity-first beats type-first, and what shipped in v2.
Writing, page 6 of 12
All 138 posts, newest first. The latest are on page 1, and the topic directory groups them by subject.
Jose Valim Is Right: Anthropic's Incentive Problem
José Valim says Anthropic hasn't separated its security case from its commercial interest. He's right, and it's every frontier lab's problem.
Instrumenting LLM Calls in Phoenix with Telemetry
ReqLLM already emits token cost and latency telemetry events. The real gap is a few lines wiring them into LiveDashboard and PromEx, not another SaaS bill.
Detection Got Cheap. Remediation Didn't.
Microsoft just made vulnerability detection cheaper and more accurate. For a 12-40 person AI startup, that was never the bottleneck.
The One File Where Your AI Model Names Live
Model names scattered across every repo's config rot the day a model gets deprecated or repriced. One git-versioned markdown table fixes it for good.
What a 96% Security Benchmark Actually Measures
Microsoft's security system hit 96% on a benchmark this week. Here's what that score actually measures, and how to read any vendor's benchmark claim.
10 Ecto Query Patterns for N+1 and Beyond
The Iron Law for has_many vs belongs_to, plus when Dataloader, subqueries, or raw SQL are the honest fix, not another preload tutorial.
Isolating Parallel Claude Code Agents in Phoenix
Elixir/Phoenix mechanics for parallel Claude Code agents: templating PORT per worktree, one Postgres DB per branch, and asset-watcher collisions nobody covers.
What Reverse Acqui-Hires Actually Diligence
What a buyer's technical reviewer checks in a reverse acqui-hire when the code isn't the asset: key-person risk, IP scope, and contribution forensics.
The Four Claude Code Hooks I Run on Every Project
Four Claude Code hooks I run, plus a decoder for hook errors: Stop hook error: JSON validation failed, denied by PreToolUse hook, No such file or directory.
Performance Reviews When Agents Do the Typing
Commit count and PR volume are agent-inflated now. Here's what I actually evaluate in reviews, and the 1:1 questions that surface real judgment.
What Together AI's $800M Round Says About Elixir
Together AI raised $800M at an $8.3B valuation. A since-removed job posting showed Elixir/Phoenix on the BEAM running its auth and access control.