Field notes from fhsystems on custom software, workflow automation, and practical AI for small and mid-size businesses.https://fhsystems.dev/enhttps://fhsystems.dev/blog/uk-dental-cold-email-lesson/https://fhsystems.dev/blog/uk-dental-cold-email-lesson/I emailed 133 independent dental practices in England, 223 emails in total. Zero positive replies. Deliverability was fine. The real mistake was the niche.Fri, 09 Oct 2026 00:00:00 GMTBusinesshttps://fhsystems.dev/blog/continue-claude-code-task-in-codex/https://fhsystems.dev/blog/continue-claude-code-task-in-codex/Hit a usage limit in Claude Code halfway through a task? Here is how to hand the task, progress and decisions to Codex with pas-agent, a small open-source CLI, so the next agent picks up where you stopped.Wed, 30 Sep 2026 00:00:00 GMTEngineeringAI