feat(cards): kart/KMH dönem hesabı, taksitli harcama, kart ve KMH özeti servisleri, 006 migration

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/features/accounts/service.ts

@@ -55,6 +55,7 @@ export type AccountView = {
     statementDay: number;
     dueRule: { kind: DueRuleKind; value: number };
     paymentAccountId: string | null;
+    minimumPaymentRateBp: number | null;
   } | null;
 };
 
@@ -229,6 +230,7 @@ async function toDocFields(
           statementDay: input.cardStatementDay,
           dueRule: { kind: input.cardDueKind, value: input.cardDueValue },
           paymentAccountId,
+          minimumPaymentRateBp: input.cardMinimumRate,
         }
       : null,
   });