* Show inflow/outflow totals when filtering by transfers
When filtering transactions by "Transfer" type, the summary bar previously
showed $0 for both Income and Expenses because transfers were excluded from
those sums. Now computes transfer inflow/outflow in the same SQL pass and
switches labels to "Inflow"/"Outflow" when transfer amounts are non-zero.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
* Add mixed filter comment and transfer-only test coverage
Document the intentional mixed filter behavior where transfer amounts
are excluded from the summary bar when non-transfer types are present.
Add test exercising Inflow/Outflow label switching for transfer-only results.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>