## ADDED Requirements

### Requirement: Pie chart direct category labeling
The pie chart SHALL display category names directly on or adjacent to their corresponding sectors.

#### Scenario: Category labels rendered on pie sectors
- **WHEN** the expense category pie chart is displayed
- **THEN** each sector SHALL display its category name as a label
- **AND** the label SHALL be positioned to not obscure the sector

#### Scenario: Labels adapt to sector size
- **GIVEN** a category represents less than 5% of total expenses
- **WHEN** the pie chart renders
- **THEN** the label for that small sector MAY be hidden to avoid clutter
- **AND** the category SHALL still be identifiable via tooltip on hover

#### Scenario: Label visibility in dark mode
- **GIVEN** the application is in dark mode
- **WHEN** the pie chart displays labels on sectors
- **THEN** the label text color SHALL provide sufficient contrast against the sector color
- **AND** labels SHALL remain readable against both light and dark sector colors