Release v1.0.1: Fix CLI error messages and improve user experience

### Key Fixes
- Resolve spurious "Got unexpected extra argument" error messages in Click library
- Fix malformed YAML frontmatter in agent definition files
- Enhance global installation capability with improved make install-global

### Technical Implementation
- Add intelligent CLI error handling with safe_cli_wrapper() function
- Implement comprehensive test suite for error suppression (11 test cases)
- Create detailed documentation and future maintenance guide
- Update entry point to provide clean user experience

### Files Added
- tests/test_cli_error_handling.py - Comprehensive test coverage
- CLICK_WORKAROUND.md - Technical documentation and removal timeline

### Files Modified
- pyproject.toml - Version bump to 1.0.1 and entry point update
- CHANGELOG.md - Detailed release notes for v1.0.1
- README.md - Added known issues section
- src/kaizen_agentic/cli.py - Click error handling implementation
- Multiple agent files - Fixed YAML frontmatter formatting

Resolves: Issue #3 - CLI argument parsing errors and user confusion

🤖 Generated with [Claude Code](https://claude.ai/code)

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

README.md

@@ -115,4 +115,13 @@ kaizen-agentic templates
 # python-cli: Command-line tool development
 # python-data: Data science and analysis
 # comprehensive: All available agents
-``` 
+```
+
+## Known Issues
+
+### Click Library Workaround
+
+The CLI currently implements a workaround for spurious error messages in the Click library. This affects the `install` command but is transparent to users. See [CLICK_WORKAROUND.md](CLICK_WORKAROUND.md) for technical details and removal timeline.
+
+**User Impact**: None - the workaround provides clean CLI output
+**Status**: Monitoring Click library updates for resolution