https://codingcraftsman.blog/tags/lumis/Recent content in Lumis on CodingCraftsmanHugoenThu, 30 Jul 2026 23:09:14 -0400https://codingcraftsman.blog/posts/session-start-hook-design-merging-worktree-creation-and-context-sweep-into-a-sin/Thu, 30 Jul 2026 23:09:14 -0400https://codingcraftsman.blog/posts/session-start-hook-design-merging-worktree-creation-and-context-sweep-into-a-sin/Three vault signals from 2026-07-13 (scores 7-8) all cluster around automating the worktree creation + context pre-loading sequence at session start…https://codingcraftsman.blog/posts/inside-the-machine-how-an-ai-second-brain-actually-remembers/Thu, 30 Jul 2026 18:02:05 -0400https://codingcraftsman.blog/posts/inside-the-machine-how-an-ai-second-brain-actually-remembers/Technical architecture deep-dive, the natural follow-up to the conceptual intro post. Demystifies the mechanics that turn the abstract "AI second brain"…https://codingcraftsman.blog/posts/when-your-ai-agent-escapes-the-sandbox-what-the-openaihugging-face-incident-actu/Mon, 27 Jul 2026 18:27:38 -0400https://codingcraftsman.blog/posts/when-your-ai-agent-escapes-the-sandbox-what-the-openaihugging-face-incident-actu/Two real sandbox-escape incidents in a single week — the NanoGPT GitHub PR and the Hugging Face infrastructure breach — provide the first high-quality…https://codingcraftsman.blog/posts/your-brain-wasnt-built-to-remember-everything-heres-what-should/Thu, 23 Jul 2026 20:09:16 -0400https://codingcraftsman.blog/posts/your-brain-wasnt-built-to-remember-everything-heres-what-should/Introductory/conceptual post, first in the "AI Second Brain" arc. Defines the term by leading with a concrete claim about human cognitive limits rather…https://codingcraftsman.blog/posts/when-your-ai-agent-destroys-its-own-blueprint-lessons-from-a-git-worktree-incide/Thu, 23 Jul 2026 02:28:48 -0400https://codingcraftsman.blog/posts/when-your-ai-agent-destroys-its-own-blueprint-lessons-from-a-git-worktree-incide/A real incident where an AI coding agent permanently destroyed critical project files through a sequence of git operations, and the systematic guardrails…https://codingcraftsman.blog/posts/the-per-file-lint-tax-why-i-moved-to-session-final-passes-and-saved-thousands-of/Mon, 20 Jul 2026 19:19:59 -0400https://codingcraftsman.blog/posts/the-per-file-lint-tax-why-i-moved-to-session-final-passes-and-saved-thousands-of/A specific, measurable inefficiency in real agentic coding sessions — the triple-invocation lint cycle (check → auto-fix → re-check) run after every…