Please apply the following diffs and create a pull request.
Once the PR is ready, give it a title based on the messages of the fixes being applied.

[{"message":"[nitpick] The variable name 'i' is a generic loop counter. Consider using a more descriptive name like 'iteration' or 'testRun' to improve readability.","fixFiles":[{"filePath":"tests/utils.test.ts","diff":"diff --git a/tests/utils.test.ts b/tests/utils.test.ts\n--- a/tests/utils.test.ts\n+++ b/tests/utils.test.ts\n@@ -131,7 +131,7 @@\n   });\n \n   it('randomInt returns value in range', () => {\n-    for (let i = 0; i < 100; i++) {\n+    for (let attempt = 0; attempt < 100; attempt++) {\n       const result = utils.randomInt(1, 6);\n       expect(result).toBeGreaterThanOrEqual(1);\n       expect(result).toBeLessThanOrEqual(6);\n"}]},{"message":"This test verifies prototype pollution protection by checking a global property, but it doesn't test that the specific object returned by merge() doesn't contain the polluted property. Consider adding a direct test on the result object.","fixFiles":[{"filePath":"tests/utils.test.ts","diff":"diff --git a/tests/utils.test.ts b/tests/utils.test.ts\n--- a/tests/utils.test.ts\n+++ b/tests/utils.test.ts\n@@ -193,6 +193,9 @@\n     const malicious = JSON.parse('{\"__proto__\": {\"polluted\": true}}');\n     const result = utils.merge({}, malicious);\n \n+    // The result itself should not contain the polluted property\n+    expect((result as Record<string, unknown>).polluted).toBeUndefined();\n+\n     // Should not pollute Object prototype\n     expect(({} as Record<string, unknown>).polluted).toBeUndefined();\n     // The key should not be an own property of the result\n"}]},{"message":"[nitpick] Running randomInt() 100 times in a test may be excessive and could slow down test execution. Consider reducing to 10-20 iterations or using a property-based testing approach.","fixFiles":[{"filePath":"tests/utils.test.ts","diff":"diff --git a/tests/utils.test.ts b/tests/utils.test.ts\n--- a/tests/utils.test.ts\n+++ b/tests/utils.test.ts\n@@ -131,7 +131,7 @@\n   });\n \n   it('randomInt returns value in range', () => {\n-    for (let i = 0; i < 100; i++) {\n+    for (let i = 0; i < 20; i++) {\n       const result = utils.randomInt(1, 6);\n       expect(result).toBeGreaterThanOrEqual(1);\n       expect(result).toBeLessThanOrEqual(6);\n"}]}]