feat(testing): add make test-all for comprehensive pre-merge testing
- Add test-all target that runs all tests with live infrastructure
- Check dev stack, AppView, and test database before running tests
- Add LOG_ENABLED=false support to silence app logs during tests
- Add TestMain to integration, e2e, unit, and tests packages
- Fail fast on first test failure for quick feedback
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>