chore: drop jest-console-group-reporter and stale testURL comment

Reporter was incompatible with Jest 29 and already disabled; also
removes an obsolete testURL workaround that is a no-op on modern Jest.

Co-Authored-By: Claude <noreply@anthropic.com>

Author: arbrandes

jest.config.js

@@ -22,20 +22,6 @@ const mergedConfig = createConfig('jest', {
   testEnvironment: 'jsdom',
 });
 
-// delete mergedConfig.testURL;
-
-// NOTE: jest-console-group-reporter@1.1.1 uses @jest/reporters@^30 internally
-// (via its peer dep resolution) but this project runs Jest 29, whose globalConfig
-// uses testPathPattern (string) not testPathPatterns (object). When any worker
-// exits uncleanly the reporter's SummaryReporter.onRunComplete crashes with
-// "Cannot read properties of undefined (reading 'isSet')", causing a non-zero
-// exit code even when all tests pass. Disabled until the package is updated for
-// Jest 29/30 compatibility.
-// mergedConfig.reporters = [...(mergedConfig.reporters || []), ["jest-console-group-reporter", {
-//   afterEachTest: { enable: true, filePaths: false, reportType: "details" },
-//   afterAllTests: { reportType: "summary", enable: true, filePaths: true },
-// }]];
-
 // Limit ts-jest diagnostics to test files so type errors in transformed
 // dependencies (included via transformIgnorePatterns) don't fail the run.
 mergedConfig.transform['^.+\\.[tj]sx?$'] = [