style: clean up code formatting and remove trailing whitespace

refactor: reorganize imports and fix type imports

tests/run-tests.ts

@@ -36,7 +36,7 @@ test("Schema Prisma do Item não possui campos de preço/valor", () => {
   const content = fs.readFileSync(schemaPath, "utf8");
   const itemBlockMatch = content.match(/model\s+Item\s+\{[\s\S]*?\}/);
   assert.ok(itemBlockMatch, "Bloco model Item não encontrado no schema.prisma");
-  const itemBlock = itemBlockMatch![0];
+  const itemBlock = itemBlockMatch?.[0];
   const forbidden = [/price/i, /value/i, /sell_value/i, /buy_price/i];
   for (const re of forbidden) {
     assert.ok(!re.test(itemBlock), `Campo proibido detectado no Item: ${re}`);
@@ -59,4 +59,4 @@ async function run() {
   console.log(`\n${passed}/${tests.length} testes passaram.`);
 }
 
-run();
+run();