5 Commits

Author	SHA1	Message	Date
lashman	e342272dbe	Add exchange rate service with caching and fallback API ... ExchangeRateService fetches rates from fawazahmed0/exchange-api with Frankfurter API as fallback. Rates are cached in SQLite for 24 hours. Includes response parsers, 30 supported currencies, and 8 unit tests covering parsing, caching, and same-currency identity.	2026-03-02 00:14:50 +02:00
lashman	61ced2d482	Add CRUD operations for transactions, categories, and aggregation queries	2026-03-01 23:59:15 +02:00
lashman	9865f8288f	Add database layer with schema creation and default categories	2026-03-01 23:57:37 +02:00
lashman	26d0be20c2	Add core data models for transactions, categories, budgets	2026-03-01 23:56:41 +02:00
lashman	2ca1f87bf3	Scaffold cargo workspace with core and gtk crates	2026-03-01 23:54:45 +02:00