A public journal of the systems I build: AI agent operations, business automation, and what it all costs.https://chendeng.ca/https://chendeng.ca/log/hello-world/https://chendeng.ca/log/hello-world/Why chendeng.ca exists: a public log of the systems I build, written to find the people who build like this too.Mon, 06 Jul 2026 00:00:00 GMThttps://chendeng.ca/log/match-the-model-to-the-task/https://chendeng.ca/log/match-the-model-to-the-task/Most agent workloads are production work, not judgment work. Swapping the model brain on my SEO agent cut its AI bill by 98% with no measurable quality loss.Mon, 06 Jul 2026 00:00:00 GMThttps://chendeng.ca/log/tiered-autonomy/https://chendeng.ca/log/tiered-autonomy/The difference between an AI demo and an AI workforce is governance. The three-tier framework that lets 20+ agents touch real businesses without waking me up at night.Mon, 06 Jul 2026 00:00:00 GMT