daily: test-audit-agent execution and tooling fix

Executed test-audit-agent.
- Fixed scripts/test-audit/run-flaky-check.mjs to exclude Playwright tests by default.
- Generated audit report in reports/test-audit/.
- Created completion log.

Co-authored-by: PR0M3TH3AN <[email protected]>

scripts/test-audit/run-flaky-check.mjs

@@ -20,6 +20,11 @@ for (let i = 0; i < args.length; i++) {
   }
 }
 
+// Default to npm test patterns if no args provided
+if (testArgs.length === 0) {
+  testArgs.push('test/*.test.mjs', 'test/*.test.js');
+}
+
 async function runTests(i) {
   console.log(`Run ${i + 1}/${RUNS}...`);
   return new Promise((resolve) => {