https://joymux.com/blog/ Notes on persistent execution for AI coding agents — resume, replay, bounded context. https://joymux.com/blog/one-layer-many-harnesses/ https://joymux.com/blog/one-layer-many-harnesses/ Sat, 22 Aug 2026 00:00:00 GMT Your harness will change. Execution state should not. A shared substrate under multiple AI coding agents. https://joymux.com/blog/replay-missed-output/ https://joymux.com/blog/replay-missed-output/ Sat, 22 Aug 2026 00:00:00 GMT Scrollback is not a record. Replay from durable execution evidence when you were looking at the other pane. https://joymux.com/blog/send-the-delta/ https://joymux.com/blog/send-the-delta/ Sat, 22 Aug 2026 00:00:00 GMT Dumping full scrollback into the next prompt wastes tokens and blurs the work. Bounded context views send what changed. https://joymux.com/blog/when-the-terminal-dies/ https://joymux.com/blog/when-the-terminal-dies/ Sat, 22 Aug 2026 00:00:00 GMT Terminals are disposable. Execution shouldn’t be. How persistent sessions let coding agents resume after a crash. https://joymux.com/blog/why-terminals-are-a-bad-runtime/ https://joymux.com/blog/why-terminals-are-a-bad-runtime/ Sat, 22 Aug 2026 00:00:00 GMT A terminal is a window, not a runtime. Why multi-agent work thrashes the machine when execution lives in tabs. https://joymux.com/blog/hard-reset-same-state/ https://joymux.com/blog/hard-reset-same-state/ Thu, 06 Aug 2026 00:00:00 GMT A crash should not mean starting over — or paying the tokens again. Recover to the same execution state. https://joymux.com/blog/token-ten-x-honest/ https://joymux.com/blog/token-ten-x-honest/ Wed, 05 Aug 2026 00:00:00 GMT Token savings are a consequence of persistent execution and bounded context — not the headline. Founder testing saw about 10×, with clear metering labels. https://joymux.com/blog/why-joymux-exists/ https://joymux.com/blog/why-joymux-exists/ Sat, 01 Aug 2026 00:00:00 GMT Most tools focus on the agent. Almost nobody focuses on execution state underneath — what survives when the terminal dies.