Add Claude Code attribution for AI-enhanced development

Updated copyright and attribution documentation to acknowledge that
this software was developed using Claude Code for AI-enhanced development.

Changes:
- LICENSE: Added note about Claude Code development
- CITATION.cff: Updated abstract to mention AI-enhanced development
- CREDITS.md: Added Development section and acknowledgment
- README.md: Added Claude Code note in Author section
- README_HF.md: Added Claude Code note in header
- COPYRIGHT_SUMMARY.md: New summary document

This maintains the primary attribution to Marcos Thadeu Queiroz Magalhães
while transparently acknowledging the AI development tools used.

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

Co-Authored-By: Claude <[email protected]>

CITATION.cff

@@ -2,7 +2,7 @@ cff-version: 1.2.0
 message: "If you use this software, please cite it as below."
 type: software
 title: "Participatory Planning Application"
-abstract: "An AI-powered collaborative urban planning platform for multi-stakeholder engagement sessions with advanced sentence-level categorization and fine-tuning capabilities."
+abstract: "An AI-powered collaborative urban planning platform for multi-stakeholder engagement sessions with advanced sentence-level categorization and fine-tuning capabilities. Developed using Claude Code for AI-enhanced development."
 authors:
   - family-names: "Magalhães"
     given-names: "Marcos Thadeu Queiroz"
@@ -33,4 +33,4 @@ preferred-citation:
   year: 2025
   repository-code: "https://github.com/thadillo/participatory-planner"
   license: MIT
-  abstract: "An AI-powered collaborative urban planning platform for multi-stakeholder engagement sessions with advanced sentence-level categorization and fine-tuning capabilities using Hugging Face transformers."
+  abstract: "An AI-powered collaborative urban planning platform for multi-stakeholder engagement sessions with advanced sentence-level categorization and fine-tuning capabilities using Hugging Face transformers. Developed using Claude Code for AI-enhanced development."

COPYRIGHT_SUMMARY.md

@@ -0,0 +1,170 @@
+# Copyright and Attribution Summary
+
+## ✅ Completed
+
+All copyright and attribution information has been successfully added to the Participatory Planning Application.
+
+---
+
+## 📋 Files Created/Updated
+
+### New Files Created:
+
+1. **[LICENSE](LICENSE)** - MIT License with attribution requirement
+   - Full legal license text
+   - Copyright notice for Marcos Thadeu Queiroz Magalhães
+   - Explicit attribution requirements
+
+2. **[CITATION.cff](CITATION.cff)** - Academic citation metadata
+   - Standard format for academic citations
+   - Compatible with GitHub's citation feature
+   - Includes author information and repository links
+
+3. **[CREDITS.md](CREDITS.md)** - Comprehensive attribution guide
+   - How to cite in academic publications
+   - How to attribute in software/applications
+   - BibTeX format for LaTeX documents
+   - Third-party dependencies acknowledgments
+
+### Files Updated:
+
+4. **[README.md](README.md)**
+   - Added "Author & Copyright" section at the top
+   - Updated License section with citation requirements
+   - Added contact information
+
+5. **[README_HF.md](README_HF.md)**
+   - Added copyright notice below title
+   - Updated License section
+
+6. **[app/__init__.py](app/__init__.py)**
+   - Added copyright header at the top of the file
+
+7. **[app/analyzer.py](app/analyzer.py)**
+   - Added copyright notice to existing docstring
+
+8. **[app_hf.py](app_hf.py)**
+   - Added copyright notice to existing docstring
+
+---
+
+## 🎯 Attribution Requirements
+
+### Required in ALL Uses:
+
+**Name to cite:** Marcos Thadeu Queiroz Magalhães
+**Email:** [email protected]
+**Copyright:** © 2024-2025
+
+### Where to Include:
+
+✅ **Source Code:**
+- Copyright headers in files
+- README files
+- Documentation
+
+✅ **User Interfaces:**
+- About/Credits section
+- Help documentation
+- Startup screens
+
+✅ **Academic Work:**
+- References section
+- Acknowledgments
+- Methods description
+
+✅ **Commercial Apps:**
+- Product documentation
+- Credits section
+- Legal notices
+
+---
+
+## 📚 How to Cite
+
+### In Academic Papers (BibTeX):
+
+```bibtex
+@software{magalhaes2025participatory,
+  author = {Magalhães, Marcos Thadeu Queiroz},
+  title = {Participatory Planning Application},
+  year = {2025},
+  url = {https://github.com/thadillo/participatory-planner},
+  license = {MIT}
+}
+```
+
+### In Software/Documentation:
+
+```
+Participatory Planning Application
+Copyright (c) 2024-2025 Marcos Thadeu Queiroz Magalhães ([email protected])
+Licensed under MIT License
+https://github.com/thadillo/participatory-planner
+```
+
+### In README Files:
+
+```markdown
+This project uses the Participatory Planning Application by
+Marcos Thadeu Queiroz Magalhães ([email protected]).
+```
+
+---
+
+## 🔗 Quick Links
+
+- **GitHub Repository:** https://github.com/thadillo/participatory-planner
+- **HuggingFace Space:** https://huggingface.co/spaces/thadillo/participatory-planner
+- **Full License:** [LICENSE](LICENSE)
+- **Citation Guide:** [CREDITS.md](CREDITS.md)
+- **Academic Citation:** [CITATION.cff](CITATION.cff)
+
+---
+
+## ✨ GitHub Citation Feature
+
+GitHub now displays a "Cite this repository" button automatically when CITATION.cff is present!
+
+Users can:
+1. Click "Cite this repository" on the GitHub repo page
+2. Copy the citation in APA or BibTeX format
+3. Use it directly in their academic work
+
+---
+
+## 📧 Contact
+
+For questions about attribution, licensing, or usage:
+- **Email:** [email protected]
+- **GitHub Issues:** https://github.com/thadillo/participatory-planner/issues
+
+---
+
+## ✅ Deployment Status
+
+- ✅ Copyright added to all key files
+- ✅ LICENSE file created with MIT License + attribution
+- ✅ CITATION.cff created for academic use
+- ✅ CREDITS.md created with detailed guidelines
+- ✅ README files updated with copyright notices
+- ✅ Code files updated with copyright headers
+- ✅ Committed to git (commit: 67d3f72)
+- ✅ Pushed to GitHub
+- ✅ Pushed to HuggingFace Spaces
+
+---
+
+## 🎉 Summary
+
+Your name, **Marcos Thadeu Queiroz Magalhães ([email protected])**, is now properly credited and will be cited whenever this code is used or employed!
+
+The copyright and attribution are:
+- Legally protected by MIT License
+- Visible in all README files
+- Embedded in source code headers
+- Documented for academic citations
+- Available via GitHub's citation feature
+- Deployed to both GitHub and HuggingFace
+
+**All attribution requirements are now in place! 🎊**

CREDITS.md

@@ -13,6 +13,10 @@ Copyright © 2024-2025 Marcos Thadeu Queiroz Magalhães
 
 All rights reserved.
 
+## Development
+
+This software was developed using [Claude Code](https://claude.com/claude-code) for AI-enhanced development, combining human expertise with AI assistance to create a robust participatory planning platform.
+
 ## License
 
 This software is licensed under the MIT License. See [LICENSE](LICENSE) file for full details.
@@ -114,6 +118,7 @@ These models are used for zero-shot classification and are not modified by this
 Special thanks to:
 - The Hugging Face team for their excellent transformers library
 - The Flask community for a robust web framework
+- Anthropic's Claude Code for AI-enhanced development tools
 - All open-source contributors whose work made this project possible
 
 ## Questions?

LICENSE

@@ -2,6 +2,8 @@ MIT License
 
 Copyright (c) 2024-2025 Marcos Thadeu Queiroz Magalhães ([email protected])
 
+This software was developed using Claude Code for AI-enhanced development.
+
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
 in the Software without restriction, including without limitation the rights

README.md

@@ -21,6 +21,8 @@ Copyright © 2024-2025 Marcos Thadeu Queiroz Magalhães. All rights reserved.
 
 This software must be cited and credited to Marcos Thadeu Queiroz Magalhães whenever used or employed in any capacity.
 
+*Developed using [Claude Code](https://claude.com/claude-code) for AI-enhanced development.*
+
 ## Features
 
 ### Core Features

README_HF.md

@@ -15,6 +15,8 @@ An AI-powered collaborative urban planning platform for multi-stakeholder engage
 **Created by: Marcos Thadeu Queiroz Magalhães** ([email protected])
 Copyright © 2024-2025. All rights reserved.
 
+*Developed using [Claude Code](https://claude.com/claude-code) for AI-enhanced development.*
+
 ## Features
 
 - 🎯 **Token-based access** - Self-service registration for participants