It will not break the app. If I ship an update that conflicts with your modified version, you can select from a checklist what you want to add and then modify will take care of the rest.
Yes! Your modified version would stay the same, if I have an update which conflicts with your modified version you can simply select what to add to your modified version and then modify would take care of the rest.
y uses your local Claude Code/Codex and your local files. Your chats stay local too - I never get them. Login is for account/product features like feedback, usage analytics, and updates, not for proxying your repo or chat history through us.
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