An import that worked left the modal sitting there with a green message,
blocking the table it had just added a row to. Success now resets the dialog
and closes it, and the refreshed table is the confirmation.
A failure deliberately keeps it open: the reason is the whole point, and the
problem inbox entry alone does not stop the user from wondering what the
modal was trying to tell them. Anything still needing attention after a
successful import (an unassigned line) is already badged on the invoice's
row, so nothing is lost by closing.
With success no longer rendering in the dialog, the result state was carrying
a boolean that could only ever be false, so it collapsed to the error itself.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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