fix(backend): update error codes for invalid database type validation

Author: Lasim

services/backend/tests/unit/routes/db/schemas.test.ts

@@ -41,7 +41,7 @@ describe('Database Schemas', () => {
       const result = DbSetupRequestBodySchema.safeParse(invalidRequest);
       expect(result.success).toBe(false);
       if (!result.success) {
-        expect(result.error.issues[0].code).toBe('invalid_enum_value');
+        expect(result.error.issues[0].code).toBe('invalid_value');
         expect(result.error.issues[0].path).toEqual(['type']);
       }
     });
@@ -52,7 +52,7 @@ describe('Database Schemas', () => {
       const result = DbSetupRequestBodySchema.safeParse(invalidRequest);
       expect(result.success).toBe(false);
       if (!result.success) {
-        expect(result.error.issues[0].code).toBe('invalid_type');
+        expect(result.error.issues[0].code).toBe('invalid_value');
         expect(result.error.issues[0].path).toEqual(['type']);
       }
     });
@@ -81,7 +81,7 @@ describe('Database Schemas', () => {
       const result = DbSetupRequestBodySchema.safeParse(invalidRequest);
       expect(result.success).toBe(false);
       if (!result.success) {
-        expect(result.error.issues[0].code).toBe('invalid_enum_value');
+        expect(result.error.issues[0].code).toBe('invalid_value');
         expect(result.error.issues[0].path).toEqual(['type']);
       }
     });
@@ -156,7 +156,7 @@ describe('Database Schemas', () => {
       const result = DbStatusResponseSchema.safeParse(invalidResponse);
       expect(result.success).toBe(false);
       if (!result.success) {
-        expect(result.error.issues[0].code).toBe('invalid_enum_value');
+        expect(result.error.issues[0].code).toBe('invalid_value');
         expect(result.error.issues[0].path).toEqual(['dialect']);
       }
     });