https://blog.sparkles-editor.com/en Writing by Jackie Moon on engineering, product thinking, reading, observation, and everyday life. en-US Tue, 28 Jul 2026 00:00:00 GMT https://blog.sparkles-editor.com/en/blog/cloudflare-email-service-send-receive-guide https://blog.sparkles-editor.com/en/blog/cloudflare-email-service-send-receive-guide A practical July 2026 guide to receiving, forwarding, parsing, replying to, and sending transactional email with Cloudflare Email Service, including Nuxt, Workers, D1, security, and rate limiting. Tue, 28 Jul 2026 00:00:00 GMT Cloudflare Email Workers Serverless https://blog.sparkles-editor.com/en/blog/vue-3-6-rc-upgrade-guide https://blog.sparkles-editor.com/en/blog/vue-3-6-rc-upgrade-guide As of Vue 3.6.0-rc.2, this guide compares Vue 3.5 and 3.6 across the reactivity core, Vapor Mode, event delegation, interoperability boundaries, and a progressive upgrade strategy. Sun, 26 Jul 2026 00:00:00 GMT Vue JavaScript Frontend Engineering https://blog.sparkles-editor.com/en/blog/from-gpt-4-invite-to-agents https://blog.sparkles-editor.com/en/blog/from-gpt-4-invite-to-agents In 2023, I waited for access to an API with an 8K context window. Three years later, we are learning how to give agents goals, permissions, boundaries, and acceptance criteria. Sat, 25 Jul 2026 00:00:00 GMT AI GPT-4 Agents https://blog.sparkles-editor.com/en/blog/edge-stateful-apps https://blog.sparkles-editor.com/en/blog/edge-stateful-apps Cloudflare Workers are fast and D1 is close, but the hard part is designing clear boundaries for state, consistency, and failure. Tue, 21 Jul 2026 00:00:00 GMT Cloudflare D1 Engineering https://blog.sparkles-editor.com/en/blog/nuxt-4-architecture-subtraction https://blog.sparkles-editor.com/en/blog/nuxt-4-architecture-subtraction A content site does not need complex frontend state. Let routing, server rendering, and content queries each return to what they do best. Thu, 16 Jul 2026 00:00:00 GMT Nuxt Vue Architecture https://blog.sparkles-editor.com/en/blog/observable-ai-systems https://blog.sparkles-editor.com/en/blog/observable-ai-systems From prompts and tool calls to user-visible outcomes, an AI application needs an observation chain that can explain why something happened. Thu, 09 Jul 2026 00:00:00 GMT AI Observability Engineering