- Add TestRunInfo struct with test execution context
- Add on_test_start and on_test_done callbacks to run_tests
- Integrate callbacks in _run_single_test with skip capability
- Add comprehensive tests for callback functionality
- Improve glob patterns: bare directory paths auto-expand to dir/*
- Add _normalize_selections for better pattern matching
- Support trailing slashes in directory selections
- Add 14 new tests covering all new functionality

…ailure detection

- Implement adaptive progress bar width: ≤20 tests → width=total, >20 tests → fixed width=20
- Fix @test failure detection via before/after results scan instead of unreliable anynonpass
- Revert to █ character for visual consistency (no gaps between blocks)
- Add comprehensive progress bar visualization tools in test/extras/progress/
- Update all tests (175 passing) and shorten long testset names for readability
- Progress bar now correctly shows ✗ FAILED for both exceptions and @test failures

- Fix all @ref TestRunInfo references to use fully qualified names to resolve header conflicts
- Add comprehensive docstrings for all TestRunner functions following project standards
- Reorganize API documentation: use src/api/ subdirectory instead of api_ prefixed files
- Update all API reference generation to use subdirectory="api" and clean filenames
- Remove old API files with api_ prefix

- Move user guide files from src/ to src/guide/ for better organization
- Update make.jl to use joinpath for guide file paths
- Update index.md to reference new guide locations
- Change section name from 'Tutorials' to 'User Guides' for clarity
- Clean separation: src/guide/ for user docs, src/api/ for API reference

- Fix cleanup function to use docs/src as base directory instead of docs/src/api
- Extract _cleanup_pages as standalone function following CTSolvers pattern
- Ensure generated API files in src/api/ are properly deleted after build
- Remove stale API files that weren't being cleaned up

- Add comprehensive v0.18.0-beta.1 changelog entry with TestRunner enhancements
- Document advanced progress bar system with adaptive width
- Document robust failure detection mechanism
- Document path prefix stripping and directory protection
- Document callback system overhaul with TestRunInfo context
- Document professional documentation improvements
- Add TestRunner section to BREAKINGS.md with migration examples
- Update table of contents to include TestRunner enhancements

- Update Project.toml version to 0.18.0-beta.1
- Complete CHANGELOGS.md and BREAKINGS.md updates
- All TestRunner enhancements documented with migration examples
- Ready for release