US-5.5not implemented Generate monthly/quarterly/yearly reports
As a user who wants to track spending trends over time I want generate comparative reports (e.g. monthly spending per category for the last 6 months) so that I can see whether my spending in each category is increasing or decreasing.
Acceptance Criteria
- Reports show spending per category per time period.
- Time periods: monthly (last 6 months), quarterly (last year), yearly (last 5 years).
- Reports show expenses as a percentage of income.
No DAG diagram: Not yet implemented — aggregation/reporting feature on the visualisation layer; reads journal data but adds no new DAG nodes.
Demo video coming soon