diff --git a/package.json b/package.json
index 88a61ab..f779e83 100644
--- a/package.json
+++ b/package.json
@@ -9,8 +9,6 @@
     "astro": "astro",
     "test": "vitest run",
     "test:watch": "vitest",
-    "test": "vitest run",
-    "test:watch": "vitest",
     "test:coverage": "vitest run --coverage",
     "format": "biome format --write .",
     "lint": "biome lint .",
diff --git a/src/types.ts b/src/types.ts
index 316a234..389d744 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -1,3 +1,5 @@
+import type { Decimal } from '@prisma/client/runtime/library';
+
 export interface Account {
   id: string;
   bankName: string;
@@ -6,7 +8,7 @@ export interface Account {
   type?: string; // CHECKING, SAVINGS, etc.
   status?: string; // ACTIVE, CLOSED
   currency?: string; // Default: USD
-  balance: number; // Current balance
+  balance: number | Decimal; // Current balance - can be Prisma Decimal or number
   notes?: string; // Optional notes
   createdAt?: Date;
   updatedAt?: Date;
@@ -17,7 +19,7 @@ export interface Transaction {
   accountId: string;
   date: string | Date; // ISO date string or Date object
   description: string;
-  amount: number;
+  amount: number | Decimal; // Amount - can be Prisma Decimal or number
   category?: string; // Optional category
   status?: string; // PENDING, CLEARED
   type?: string; // DEPOSIT, WITHDRAWAL, TRANSFER
@@ -26,3 +28,29 @@ export interface Transaction {
   createdAt?: Date;
   updatedAt?: Date;
 }
+
+// Type definitions for Transaction status and type enums to match db.service.ts
+export enum TransactionStatus {
+  PENDING = 'PENDING',
+  CLEARED = 'CLEARED',
+}
+
+export enum TransactionType {
+  DEPOSIT = 'DEPOSIT',
+  WITHDRAWAL = 'WITHDRAWAL',
+  TRANSFER = 'TRANSFER',
+  UNSPECIFIED = 'UNSPECIFIED',
+}
+
+export enum AccountType {
+  CHECKING = 'CHECKING',
+  SAVINGS = 'SAVINGS',
+  CREDIT_CARD = 'CREDIT_CARD',
+  INVESTMENT = 'INVESTMENT',
+  OTHER = 'OTHER',
+}
+
+export enum AccountStatus {
+  ACTIVE = 'ACTIVE',
+  CLOSED = 'CLOSED',
+}
diff --git a/vitest.config.ts b/vitest.config.ts
index 0f6bb1d..b06009e 100644
--- a/vitest.config.ts
+++ b/vitest.config.ts
@@ -11,7 +11,6 @@ export default defineConfig({
     passWithNoTests: true,
     teardownTimeout: 5000,
     // Testing environment setup
-    environment: 'jsdom',
     setupFiles: ['./src/test/setup.ts'],
     // Ensure we're using the right environment
     environment: 'node',