* feat(inbox): show differens in Bokfor direkt sum row + double-click balance fill
User feedback: when hand-computing VAT the unbalanced amount had to be
worked out manually; the existing diff indicator was tiny, muted and below
the fold. Now the remaining debit/credit gap renders red in the Summa row
(and the sums turn red) while unbalanced, matching JournalEntryForm.
Also ports JournalEntryForm's opt-in balancing: double-clicking a debit or
credit field fills the amount that balances the entry (no-op when balanced
or when the fill belongs on the other side), with a hint line replacing the
old indicator. Display-only + client-side prefill; the engine still rejects
unbalanced entries.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
* refactor(inbox): use roundOre for balancing diff per antipattern guard
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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Co-authored-by: Claude Fable 5 <noreply@anthropic.com>
