journal
Measurements, failure modes, and notes on legal retrieval systems.
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The 51.4% Problem: An External Case Study in Legal RAG Governance
A structural breakdown of a peer-reviewed legal-RAG auditor that hits 100% safety at a 51.4% abstention rate — and a design for in-flight, sentence-level enforcement that doesn't destroy the product to secure it.
The EU AI Act & Legal RAG: Why 'Approve' Buttons Fail Compliance Audits and How to Build Deterministic Human Oversight
From Article 14 Human Oversight to Entity Masking Engines: Architectural blueprints for engineering auditable, deterministic legal AI under strict EU/UK regulatory regimes.
Decoupling POSIX from Object Storage: The JuiceFS Architecture
Object storage is flat, but applications expect directories. A teardown of how JuiceFS splits the storage path, mitigates single-thread page fault traps in Redis, and implements 4MB chunk retrieval without local cache bloat.
When Safari Becomes the Silent Enemy
Spent days implementing video sessions. AWS failed. LiveKit crashed. Every major solution worked everywhere—except iOS Safari. The problem wasn't the code. It was the platform's own interpretation of the standards. One architecture handled it; the others did not.
Context Engineering: The Hidden Art of Building with AI
Communication shapes better code than syntax ever could. On specification design, AI orchestration, and the emerging role that synthesizes systems rather than writes them.
Crafting a Digital Sanctum: A Contemplation on the Self-Hosted Home Server
A full stack developer's contemplation on building a self-hosted digital sanctum. Explore the philosophy and architecture of a bespoke home server for digital sovereignty, privacy, and on-demand power.
Code in JavaScript like a NASA Engineer
Explore coding guidelines inspired by NASA to write safe, reliable, and maintainable JavaScript/TypeScript code for real-world applications.
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