chore: remove temp test file

test-alter.cjs

@@ -1,37 +0,0 @@
-const { MetonaSqlark } = require('./dist/metona-sqlark.cjs.js');
-
-(async () => {
-  const db = new MetonaSqlark({ name: 'test', mode: 'memory' });
-  await db.init();
-
-  await db.defineTable('users', {
-    id: { type: 'string', primaryKey: true },
-    name: { type: 'string', required: true },
-    email: { type: 'string' },
-    age: { type: 'number', default: 0 },
-  });
-
-  // Step 1: ALTER TABLE ADD COLUMN
-  await db.query('ALTER TABLE users ADD COLUMN phone STRING');
-
-  const schema = await db.getEngine().getTableSchema('users');
-  console.log('Schema columns:', Object.keys(schema.columns));
-
-  // Step 2: INSERT
-  await db.query("INSERT INTO users (id, name, age, phone) VALUES ('6', 'Frank', 33, '123-4567')");
-
-  // Step 3: SELECT (first)
-  const result1 = await db.query("SELECT * FROM users WHERE id = '6'");
-  console.log('First query result:', JSON.stringify(result1));
-  console.log('First query fields:', Object.keys(result1[0]));
-
-  // Step 4: ALTER TABLE DROP COLUMN
-  await db.query('ALTER TABLE users DROP COLUMN phone');
-
-  // Step 5: SELECT (second)
-  const result2 = await db.query("SELECT * FROM users WHERE id = '6'");
-  console.log('Second query result:', JSON.stringify(result2));
-  console.log('Second query fields:', Object.keys(result2[0]));
-
-  await db.close();
-})();