financial page with bank data

server/interfaces/Catcrafts.Server.cppm

@@ -180,8 +180,9 @@ export namespace Catcrafts::Server {
 
     // One classification rule. A rule matches when every criterion it states
     // matches; the first matching rule wins. `group` is "donations",
-    // "recurring", "single" or "ignore" — anything else is a typo and the
-    // rule is dropped at load rather than inventing a category.
+    // "expense" or "ignore" — anything else is a typo and the rule is dropped
+    // at load rather than inventing a category. (Expenses were once split
+    // into recurring/one-off; see Financials::expenses for why that went.)
     struct FinancialRule {
         std::string iban;                 // exact, case-insensitive
         std::string descriptionContains;  // substring, case-insensitive