Indie developer Shangjin's technical thoughts and architectural reflections.https://blog.shangjinyun.cn/enhttps://blog.shangjinyun.cn/en/posts/006/https://blog.shangjinyun.cn/en/posts/006/Most note-taking AI waits for instructions and forgets you between sessions. ThoughtEcho 4.1.0 gives Thoughter long-term memory and a background process called Dreaming, so Daily Thoughts and Periodic Insights can reflect what's going on in your life.Sun, 11 Oct 2026 00:00:00 GMThttps://blog.shangjinyun.cn/en/posts/004/https://blog.shangjinyun.cn/en/posts/004/From hopping between IDEs for free credits and using Codespaces on an iPad, to subscribing to various AI plans, an Azure free VM, and terminal CLI. A candid look at how I build ThoughtEcho without a PC.Sat, 26 Sep 2026 00:00:00 GMThttps://blog.shangjinyun.cn/en/posts/003/https://blog.shangjinyun.cn/en/posts/003/From codebase suggestions to scheduled sweeps, here's how Google Jules—an asynchronous coding agent—takes over my daily technical debt, and the hands-off workflow I built: 'Open PR → AI Review → @jules fix → Local Agent batch merge.'Sat, 19 Sep 2026 00:00:00 GMThttps://blog.shangjinyun.cn/en/posts/002/https://blog.shangjinyun.cn/en/posts/002/A deep dive into Thoughter in ThoughtEcho v4.0.0: an AI companion living inside your local notebook. Exploring this local-first note-taking and excerpt app's agent architecture, memory retrieval, and design.Sun, 13 Sep 2026 00:00:00 GMT