Alfian BusyroWriting about software, the things I build after work, and life in Japan.https://blog.arufian.dev/enTelling Opus 5 to "always verify" backfires: I checked /insights' suggestions against the official guidehttps://blog.arufian.dev/verify-instructions-backfire-on-opus-5/https://blog.arufian.dev/verify-instructions-backfire-on-opus-5/Claude Code's /insights gave me five CLAUDE.md rules. Checked line by line against Anthropic's Opus 5 prompting guide, half made things worse. What I kept, what I dropped, and why.Wed, 23 Sep 2026 00:00:00 GMTtechaidev-toolsTo make AI-driven development faster, I built a system that lets me trust the AIhttps://blog.arufian.dev/building-a-system-to-trust-ai/https://blog.arufian.dev/building-a-system-to-trust-ai/A skill that takes a new project from interview to verified, working app: exit conditions for every step, one human approval gate, three layers of verification, and a rule for when to doubt the plan instead of the code.Thu, 10 Sep 2026 00:00:00 GMTtechaiqasoftware-engineeringI automated the whole development workflow with Claude Code skills and subagents, and delivery got 3x fasterhttps://blog.arufian.dev/automating-dev-workflow-with-claude-code-skills/https://blog.arufian.dev/automating-dev-workflow-with-claude-code-skills/How I designed one orchestrator skill and six role-based subagents that take a feature from design to deployment, and how the skill grew through five stages of real use.Fri, 17 Jul 2026 00:00:00 GMTtechaiorchestration-workflowsoftware-engineeringI built a 2026 World Cup match prediction AI with TiDB and Geminihttps://blog.arufian.dev/world-cup-prediction-ai-with-tidb-and-gemini/https://blog.arufian.dev/world-cup-prediction-ai-with-tidb-and-gemini/Giving a prediction bot episodic memory with TiDB's hybrid search (vector, full-text, and SQL in one database), a web UI to try it, and what 40 real matches showed: how you make it remember changes how often it's right.Fri, 26 Jun 2026 00:00:00 GMTtechprojectsaidataAn introduction to Claude Code dynamic workflows: how they work and what to watch out for, from the official sourceshttps://blog.arufian.dev/claude-code-dynamic-workflows-intro/https://blog.arufian.dev/claude-code-dynamic-workflows-intro/What dynamic workflows are, how to start and monitor them, how approvals and permissions work, what they cost, and where they are available, using only Anthropic's blog and docs.Fri, 29 May 2026 00:00:00 GMTtechaiorchestration-workflowdev-toolsBuilding a local LLM chat app that talks to your documents, with only Apple Intelligence and SwiftDatahttps://blog.arufian.dev/local-document-chat-with-apple-intelligence/https://blog.arufian.dev/local-document-chat-with-apple-intelligence/A native macOS app that answers questions about your own PDFs and text files with an on-device model: architecture, a keyword-based RAG, and the problems I hit along the way.Tue, 28 Apr 2026 00:00:00 GMTtechprojectsaiapple