docs: add documentation for workspace navigation functions

[HagaSpa]

Background / 背景

Added comprehensive documentation for the workspace navigation functions to help users understand their capabilities.
ワークスペースナビゲーション機能の包括的なドキュメントを追加し、ユーザーがその機能を理解できるようにしました。

Changes / 変更内容

• Added detailed documentation for hagaspa() function

• Added detailed documentation for OLTAInc() function

• Added documentation for olta alias

• Organized workspace navigation functions under a dedicated section

• hagaspa() 関数の詳細なドキュメントを追加

• OLTAInc() 関数の詳細なドキュメントを追加

• olta エイリアスのドキュメントを追加

• ワークスペースナビゲーション機能を専用セクションに整理

Impact scope / 影響範囲

Documentation only - no code changes
ドキュメントのみ - コードの変更なし

Testing / 動作確認

• README renders correctly in markdown / READMEがmarkdownで正しく表示される
• All function descriptions are accurate / すべての関数の説明が正確である

🤖 Generated with Claude Code

[claude]

Claude finished @HagaSpa's task —— View job

---

PR Review: Documentation for Workspace Navigation Functions

Todo List:

• Read the modified README.md file
• Review the actual function implementations
• Assess documentation accuracy and completeness
• Provide feedback on code quality and best practices
• Check for any potential issues or improvements

---

Review Summary

This PR adds excellent documentation for the workspace navigation functions. The documentation is accurate, well-organized, and provides clear value to users who want to understand these custom functions.

✅ Strengths

1. Accurate Documentation: All documented behavior matches the actual implementation in .config/zsh/command.sh:128-160
2. Clear Structure: The new "Workspace Navigation Functions" section (lines 78-94) is well-organized and easy to scan
3. Comprehensive Coverage: Documents all three navigation options (hagaspa(), OLTAInc(), and olta alias)
4. Practical Examples: Includes helpful examples like hagaspa dot → dotfiles and olta ba → backend
5. Context-Aware Documentation: Correctly explains Git repository detection and fallback behavior

📝 Documentation Quality Assessment

hagaspa() Function Documentation (lines 80-85)

• ✅ Correctly describes Git repository detection behavior
• ✅ Accurately explains prefix matching functionality
• ✅ Documents fallback to main workspace
• ✅ Shows correct workspace structure pattern

OLTAInc() and olta Documentation (lines 87-93)

• ✅ Correctly explains both function and alias work identically
• ✅ Accurately describes tab completion support
• ✅ Shows practical usage examples
• ✅ Documents the same intelligent navigation pattern as hagaspa()

🔍 Technical Accuracy Verification

After reviewing the implementation in .config/zsh/command.sh, the documentation accurately reflects:

• Generic workspace navigation pattern using _workspace_navigate() function
• Git remote URL parsing for organization detection (lines 40-48)
• Prefix matching logic for directory completion (lines 60-82)
• Workspace path structures (~/workspaces/hagaspa/ and ~/workspaces/OLTAInc/)
• Tab completion functionality via compdef (lines 136, 149, 160)

💡 Suggestions for Future Enhancement

While this PR is excellent as-is, consider these minor improvements for future iterations:

1. Usage Examples: Could add a brief "Usage Examples" subsection showing common workflows
2. Error Handling: Could mention what happens when multiple prefix matches are found
3. Prerequisites: Could note that these functions require the directories to exist

🏆 Best Practices Followed

• ✅ Documentation-only change with no code modifications
• ✅ Consistent formatting and style with existing README
• ✅ Clear section organization
• ✅ Bilingual PR description following repository conventions
• ✅ Accurate impact scope assessment

Final Verdict

Excellent work! This documentation significantly improves the repository's usability by clearly explaining sophisticated custom functions. The documentation is accurate, well-written, and follows the repository's established patterns. Ready to merge.

---