# Clauxton v0.10.0 - Transparent Integration

**Release Date**: 2025-10-21
**Major feature release with 100% backward compatibility.**

---

## 🚀 13 New Features

### Bulk Operations
- ✅ **YAML Bulk Import** (30x faster task creation)
  - Create 100 tasks in 0.2s vs 5s sequential
  - Automatic circular dependency detection
  - Dry-run mode for validation

- ✅ **KB Export** (Markdown documentation generation)
  - Export 1000 entries < 5s
  - Category-based organization
  - ADR format for decision entries

- ✅ **Progress Display** (Real-time progress bars)
  - Batch operations with visual feedback
  - 25x performance improvement

### Safety & Recovery
- ✅ **Undo/Rollback** (Reverse accidental operations)
  - Supports 7 operation types
  - Full operation history tracking
  - CLI: `clauxton undo` with confirmation

- ✅ **Error Recovery** (Transactional import)
  - 3 strategies: rollback (default), skip, abort
  - Automatic rollback on error
  - Partial import support

- ✅ **YAML Safety** (Code injection prevention)
  - Blocks dangerous YAML tags (`!!python`, `!!exec`)
  - Detects malicious patterns (`eval()`, `exec()`)
  - Security-first validation

- ✅ **Backup Enhancement** (Automatic timestamped backups)
  - Keep latest 10 backups per file
  - Automatic cleanup of old backups
  - Restore capability

- ✅ **Enhanced Validation** (Pre-Pydantic validation)
  - Better error messages with context
  - Field-specific validation
  - Warnings for non-critical issues

### User Experience
- ✅ **Confirmation Prompts** (Threshold-based)
  - Prevents accidental bulk operations
  - Configurable thresholds (default: 10 tasks)
  - Preview generation with statistics

- ✅ **Configurable Confirmation Mode** (3 modes)
  - `always`: 100% Human-in-the-Loop
  - `auto`: 75% HITL (balanced, default)
  - `never`: 25% HITL (with undo capability)
  - Per-operation threshold configuration

- ✅ **Operation Logging** (Daily log files)
  - JSON Lines format for structured data
  - 30-day automatic retention
  - Filtering by operation, level, date
  - CLI: `clauxton logs`

- ✅ **Better Error Messages** (Actionable guidance)
  - Context + suggestion + commands
  - Field-specific error details
  - How-to-fix instructions

- ✅ **Performance Optimization** (10x faster bulk operations)
  - Single-file write for batch operations
  - Optimized conflict detection
  - Efficient search algorithms

---

## 📊 Quality Metrics

### Test Suite
- **Tests**: 390 → **666 tests** (+286 tests, +73% increase)
- **Coverage**: 92% (maintained)
- **Test Categories**: Unit, CLI, MCP, Integration
- **Duration**: ~18 seconds for full suite

### MCP Integration
- **MCP Tools**: 15 → **20 tools** (+5 tools)
  - `task_import_yaml()` - Bulk task import
  - `undo_last_operation()` - Undo last operation
  - `get_recent_operations()` - Operation history
  - `kb_export_docs()` - Export KB to Markdown
  - `get_recent_logs()` - View operation logs

### CLI Commands
- **+7 new commands**:
  - `clauxton task import YAML_FILE` - Import tasks from YAML
  - `clauxton undo` - Undo last operation
  - `clauxton undo --history` - View operation history
  - `clauxton logs` - View operation logs
  - `clauxton kb export DIR` - Export KB to Markdown
  - `clauxton config set/get/list` - Configuration management

### Documentation
- **10 comprehensive guides** (3,000+ lines)
  - ERROR_HANDLING_GUIDE.md (657 lines, 37 sections)
  - MIGRATION_v0.10.0.md (614 lines, 31 sections)
  - configuration-guide.md (482 lines)
  - YAML_TASK_FORMAT.md
  - kb-export-guide.md
  - logging-guide.md
  - performance-guide.md
  - backup-guide.md
  - development.md (updated)
  - README.md (updated)

### Performance Benchmarks
- **Bulk Import**: 100 tasks < 1s (target met)
- **KB Export**: 1000 entries < 5s (target met)
- **KB Search**: 1000 entries < 200ms (target met)
- **Conflict Detection**: 100 tasks < 150ms (target met)

---

## 🔄 Migration

**No breaking changes!** v0.9.0-beta users can upgrade seamlessly.

See [MIGRATION_v0.10.0.md](docs/MIGRATION_v0.10.0.md) for:
- Feature-by-feature migration guide
- Configuration updates
- API changes (backward compatible)
- Best practices

---

## 📚 Documentation

### New Guides
- [ERROR_HANDLING_GUIDE.md](docs/ERROR_HANDLING_GUIDE.md) - Complete error resolution guide
  - 37 sections covering all error types
  - Actionable solutions for each error
  - Prevention best practices

- [MIGRATION_v0.10.0.md](docs/MIGRATION_v0.10.0.md) - Migration guide
  - 31 sections with examples
  - Before/after comparisons
  - Rollback instructions

- [configuration-guide.md](docs/configuration-guide.md) - Configuration reference
  - All configuration options
  - Default values
  - Use case examples

### Updated Guides
- [YAML_TASK_FORMAT.md](docs/YAML_TASK_FORMAT.md) - YAML format specification
- [kb-export-guide.md](docs/kb-export-guide.md) - KB export guide
- [logging-guide.md](docs/logging-guide.md) - Logging system guide
- [performance-guide.md](docs/performance-guide.md) - Performance optimization
- [backup-guide.md](docs/backup-guide.md) - Backup management
- [development.md](docs/development.md) - Development guide (test categories added)

---

## 🎯 Breaking Changes

**None!** This release is 100% backward compatible with v0.9.0-beta.

---

## 🐛 Bug Fixes

- No critical bugs reported during beta testing
- 12 linting errors fixed in integration tests
- Enhanced error messages for better user guidance

---

## 🔧 Technical Details

### Code Quality
- ✅ **mypy**: Strict mode, all checks passed
- ✅ **ruff**: All linting checks passed
- ✅ **pytest**: 663/666 tests passed (3 skipped)
- ✅ **Coverage**: 92% (2,315 statements, 191 missed)

### Development Status
- **PyPI Classifier**: Alpha → **Beta**
- **Stability**: Production-ready for v0.10.0 features
- **Python**: 3.11+ (3.12 tested)

---

## 🙏 Acknowledgments

Thank you to all beta testers and contributors who helped make v0.10.0 possible!

Special thanks to:
- Claude Code team for the excellent development experience
- Early adopters who provided valuable feedback
- The Python community for amazing tools (pytest, ruff, mypy)

---

## 🚀 Getting Started

### Installation

```bash
# From PyPI (recommended)
pip install clauxton

# Or upgrade from v0.9.0-beta
pip install --upgrade clauxton
```

### Quick Start

```bash
# Initialize Clauxton in your project
clauxton init

# Add a knowledge base entry
clauxton kb add

# Import tasks from YAML (new!)
clauxton task import tasks.yml

# View operation logs (new!)
clauxton logs

# Export KB to Markdown (new!)
clauxton kb export docs/kb

# Undo last operation (new!)
clauxton undo
```

### MCP Server Integration

```json
{
  "mcpServers": {
    "clauxton": {
      "command": "clauxton-mcp",
      "args": []
    }
  }
}
```

---

## 📖 Learn More

- **Documentation**: [docs/](docs/)
- **Quick Start**: [docs/quick-start.md](docs/quick-start.md)
- **MCP Integration**: [docs/MCP_INTEGRATION_GUIDE.md](docs/MCP_INTEGRATION_GUIDE.md)
- **Error Handling**: [docs/ERROR_HANDLING_GUIDE.md](docs/ERROR_HANDLING_GUIDE.md)
- **Migration**: [docs/MIGRATION_v0.10.0.md](docs/MIGRATION_v0.10.0.md)

---

## 🔮 What's Next?

### v0.11.0 (Planned)
- Interactive Mode: Conversational YAML generation
- Project Templates: Pre-built patterns for common projects
- Enhanced Search: Semantic search with embeddings
- Web Dashboard: Visual KB/Task/Conflict management

Stay tuned for updates!

---

## 📝 Full Changelog

See [CHANGELOG.md](CHANGELOG.md) for complete version history.

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**🎊 Enjoy Clauxton v0.10.0! 🎊**

If you find Clauxton useful, please consider:
- ⭐ Starring the repository
- 📝 Sharing your feedback via GitHub Issues
- 🐛 Reporting bugs or suggesting features

Happy coding! 🚀
