Why Logistics Bugs Return: Put Rules Where State Actually Changes
Four apparently unrelated logistics defects shared one cause: business rules protected a visible entry point instead of the shared operation that actually changed state or data.
LOGBlog
Engineering Notes
Database-backed investigations, migration lessons, production recovery, and practical AI-assisted engineering.
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Building and Operating fichil.com with AI: From Markdown to Auditable Sites Releases
How fichil.com keeps Hugo Markdown as its content source while using AI-assisted changes, human review, CI, exact-SHA releases, and Sites version rollback.
Historical Note: Recovering fichil.com from a VPS Connection Refusal
A retained historical incident note: diagnosing the former fichil.com VPS from DNS and network reachability through listening ports, Nginx, and site files. Production now runs on Sites.