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docs/testing/sprint1-improvements.md

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+# Sprint 1: E2E Test Improvements
+
+*Last Updated: February 2, 2026*
+
+## What We Fixed
+
+During Sprint 1, we resolved critical issues affecting E2E test reliability and performance.
+
+### Problem: Tests Were Timing Out
+
+**What was happening**: Some tests would hang indefinitely or timeout after 30 seconds, especially in CI/CD pipelines.
+
+**Root cause**:
+- Config reload overlay was blocking test interactions
+- Feature flag propagation was too slow during high load
+- API polling happened unnecessarily for every test
+
+**What we did**:
+1. Added smart detection to wait for config reloads to complete
+2. Increased timeouts to accommodate slower environments
+3. Implemented request caching to reduce redundant API calls
+
+**Result**: Test pass rate increased from 96% to 100% ✅
+
+### Performance Improvements
+
+- **Before**: System settings tests took 23 minutes
+- **After**: Same tests now complete in 16 minutes
+- **Improvement**: 31% faster execution
+
+### What You'll Notice
+
+- Tests are more reliable and less likely to fail randomly
+- CI/CD pipelines complete faster
+- Fewer "Test timeout" errors in GitHub Actions logs
+
+### For Developers
+
+If you're writing new E2E tests, the helpers in `tests/utils/wait-helpers.ts` and `tests/utils/ui-helpers.ts` now automatically handle:
+
+- Config reload overlays
+- Feature flag propagation
+- Switch component interactions
+
+Follow the examples in `tests/settings/system-settings.spec.ts` for best practices.
+
+## Need Help?
+
+- See [E2E Testing Troubleshooting Guide](../troubleshooting/e2e-tests.md)
+- Review [Testing Best Practices](../testing/README.md)