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Last active June 10, 2026 21:12
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Claude Fable Prompt to fix Orca Windows bootup speed & OpenCode freezing issue
/goal Orca is an agent IDE. On Windows, the startup time is very long. If i close the app then reopen it, it takes around 1 minute for it to launch, despite prior optimization attempts. I want you to create a benchmark harness to measure the startup time, then investigate how we can improve our start up significantly, using the benchmark as proof. As you work, provide updates in a md file so you dont repeat or forget anything. Note: Startup time on MacOS seems fine for the most part, so this is largely a windows exclusive issue it seems. Additionally windows just seems to have worse performance overall, with users are even complaining of it freezing when using opencode. A user report is:
`
I open Orca, select the project, and open OpenCode.
I type the prompt and send it to the agent; a few seconds later—about five—everything freezes.
The OpenCode loader freezes; I can't close Orca normally—I have to use the task manager. I literally can't move anything in Orca; the only thing moving in the left panel is the OpenCode agent indicator while it's loading.
It's worth noting that when I open OpenCode in a terminal other than Orca and open the session I just created in Orca, the session appears with everything the agent responded.
`
OpenCode is open source, you can inspect its source code for clues on how to improve this as well/ set up another benchmark harness
In short, there are 3 goals
- Improve startup time
- Improve OpenCode performance/ fix any causes for freezing
- Improve overall Windows performance if possible
All should be verifiable with benchmark metrics of before/after
Feel free to delegate easier tasks to other models like Opus (or Sonnet if really simple tasks).
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