improve error messages that came up when trying to start a modal agent with a different repo/configuration#904

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evgunter wants to merge 8 commits intomainfrom

mng/modal-debugging

Commits on Mar 17, 2026

Include stdout and exit code in git push error messages

evgunter
and
claude
committed

Commits on Mar 18, 2026

Deduplicate error formatting into _format_command_error_details
evgunter
committed
Use ProcessError.__str__ instead of custom formatter
evgunter
committed
Include OSError message in ProcessSetupError for better diagnostics
evgunter
committed
ProcessSetupError: always show output since nothing was logged
evgunter
committed
Improve error message when provider backend plugin is not installed

evgunter
and
claude
committed
Merge branch 'ev/better-unknown-backend-error' into mng/modal-debugging
evgunter
committed
Fix ProcessSetupError: pass False at the call site instead of overriding in the class

evgunter
and
claude
committed