The Import empty state now shows an "Expected structure" box in both of its
variants (no folder, folder without sources): the parent folder to choose,
one subfolder per account, and files at its root ignored, as
scan_import_folder reads them. New ImportFolderStructure component, a nested
list with decorative icons.
The getting-started cards ask for the parent folder and one subfolder per
account instead of one per bank. The preview card says that an expense must
count among the outflows and names "Flip the signs" next to "Check
duplicates": WIZARD_ROWS rows now carry every label their sentence names.
Every Import card sentence quotes the controls it names, in French and in
English, pinned by a test that reads the locale files.
Help tips, docs.import.steps, the user guide, the QA list and architecture.md
follow; CHANGELOG entry under Changed.
Resolves#422
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
