https://notes.ludex-gg.com/ Measured notes on local LLMs, n8n, and agent systems. https://notes.ludex-gg.com/posts/qwen3-27b-16gb-vram-cliff/ https://notes.ludex-gg.com/posts/qwen3-27b-16gb-vram-cliff/ Thu, 03 Sep 2026 00:00:00 GMT Bisecting the point where llama.cpp falls off a performance cliff on a 16GB card, why it looks like a model problem when it is a platform one, and why idle free VRAM does not predict it. https://notes.ludex-gg.com/posts/n8n-error-handling-pattern/ https://notes.ludex-gg.com/posts/n8n-error-handling-pattern/ Thu, 03 Sep 2026 00:00:00 GMT Wiring per-node error outputs into one structured log so an unattended workflow cannot fail quietly, and the trap where a workflow validates clean while its error path is unwired. https://notes.ludex-gg.com/posts/claude-code-subagent-architecture/ https://notes.ludex-gg.com/posts/claude-code-subagent-architecture/ Thu, 03 Sep 2026 00:00:00 GMT Why a read-only scout, a builder forbidden from shipping, and a separate auditor beat one general-purpose agent — and why the tool list is the real specification.