Add copyright and attribution for Marcos Thadeu Queiroz Magalhães

This commit adds comprehensive copyright and attribution information
throughout the codebase as requested by the author.

Changes:
- Created LICENSE file (MIT License with attribution requirement)
- Created CITATION.cff for academic citations
- Created CREDITS.md with detailed attribution guidelines
- Added copyright notices to README.md and README_HF.md
- Added copyright headers to main code files:
- app/__init__.py
- app/analyzer.py
- app_hf.py

Attribution Requirement:
This software must be cited and credited to Marcos Thadeu Queiroz Magalhães
(thadillo@gmail.com) whenever used or employed in any capacity.

This includes:
- Source code and documentation
- Academic publications and presentations
- Derivative works and commercial applications
- User interfaces and credits sections

Author: Marcos Thadeu Queiroz Magalhães
Email: thadillo@gmail.com
Copyright: © 2024-2025 All rights reserved

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

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

CITATION.cff

@@ -0,0 +1,36 @@
+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."
+authors:
+  - family-names: "Magalhães"
+    given-names: "Marcos Thadeu Queiroz"
+    email: "thadillo@gmail.com"
+    orcid: ""
+    alias: "thadillo"
+repository-code: "https://github.com/thadillo/participatory-planner"
+url: "https://huggingface.co/spaces/thadillo/participatory-planner"
+license: MIT
+keywords:
+  - "participatory planning"
+  - "urban planning"
+  - "AI classification"
+  - "stakeholder engagement"
+  - "zero-shot learning"
+  - "fine-tuning"
+  - "natural language processing"
+  - "community engagement"
+version: 1.0.0
+date-released: 2025-10-15
+preferred-citation:
+  type: software
+  title: "Participatory Planning Application"
+  authors:
+    - family-names: "Magalhães"
+      given-names: "Marcos Thadeu Queiroz"
+      email: "thadillo@gmail.com"
+  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."

CREDITS.md

@@ -0,0 +1,127 @@
+# Credits and Attribution
+
+## Author
+
+**Marcos Thadeu Queiroz Magalhães**
+- Email: thadillo@gmail.com
+- GitHub: [@thadillo](https://github.com/thadillo)
+- HuggingFace: [@thadillo](https://huggingface.co/thadillo)
+
+## Copyright
+
+Copyright © 2024-2025 Marcos Thadeu Queiroz Magalhães
+
+All rights reserved.
+
+## License
+
+This software is licensed under the MIT License. See [LICENSE](LICENSE) file for full details.
+
+## Citation Requirement
+
+**This software must be cited and credited to Marcos Thadeu Queiroz Magalhães whenever used or employed in any capacity.**
+
+### How to Cite
+
+#### In Academic Publications
+
+```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/Applications
+
+```
+Participatory Planning Application
+Copyright (c) 2024-2025 Marcos Thadeu Queiroz Magalhães (thadillo@gmail.com)
+Licensed under MIT License
+https://github.com/thadillo/participatory-planner
+```
+
+#### In Documentation
+
+```markdown
+This project uses the Participatory Planning Application by
+Marcos Thadeu Queiroz Magalhães (thadillo@gmail.com).
+```
+
+## Attribution Requirements
+
+When using this software, you must include attribution in:
+
+1. **Source Code**
+   - Copyright headers in modified or derivative files
+   - README or documentation files
+   - License notices
+
+2. **User Interfaces**
+   - About/Credits section
+   - Help documentation
+   - Startup screens (where applicable)
+
+3. **Academic Publications**
+   - References/Bibliography section
+   - Acknowledgments section
+   - Methods section (when describing the tool)
+
+4. **Commercial Applications**
+   - Product documentation
+   - Credits section
+   - Legal notices
+
+## Third-Party Dependencies
+
+This software builds upon excellent open-source projects:
+
+### Core Framework
+- **Flask** - Web framework (BSD-3-Clause License)
+- **SQLAlchemy** - Database ORM (MIT License)
+
+### AI/ML Components
+- **Hugging Face Transformers** - NLP models (Apache 2.0 License)
+- **PyTorch** - Machine learning framework (BSD-3-Clause License)
+- **PEFT** - Parameter-Efficient Fine-Tuning (Apache 2.0 License)
+
+### Frontend Libraries
+- **Bootstrap 5** - UI framework (MIT License)
+- **Leaflet.js** - Interactive maps (BSD-2-Clause License)
+- **Chart.js** - Data visualization (MIT License)
+
+### Utilities
+- **python-dotenv** - Environment configuration (BSD-3-Clause License)
+- **Flask-Limiter** - Rate limiting (MIT License)
+
+All third-party dependencies retain their original licenses and copyrights.
+
+## Pre-trained Models
+
+This application uses the following pre-trained AI models:
+
+- **facebook/bart-large-mnli** - Meta AI (MIT License)
+- **MoritzLaurer/DeBERTa-v3-base-mnli-fever-anli** - Moritz Laurer (MIT License)
+- **valhalla/distilbart-mnli-12-3** - Valhalla (Apache 2.0 License)
+
+These models are used for zero-shot classification and are not modified by this software.
+
+## Acknowledgments
+
+Special thanks to:
+- The Hugging Face team for their excellent transformers library
+- The Flask community for a robust web framework
+- All open-source contributors whose work made this project possible
+
+## Questions?
+
+For questions about attribution, licensing, or usage:
+- Email: thadillo@gmail.com
+- GitHub Issues: https://github.com/thadillo/participatory-planner/issues
+
+---
+
+**Remember**: Proper attribution is not just a legal requirement—it's a way to acknowledge the work and effort that went into creating this software. Thank you for respecting the license and citing this work appropriately.

LICENSE

@@ -0,0 +1,33 @@
+MIT License
+
+Copyright (c) 2024-2025 Marcos Thadeu Queiroz Magalhães (thadillo@gmail.com)
+
+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
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+ATTRIBUTION REQUIREMENT:
+Any use, modification, or distribution of this Software must include proper
+attribution to the original author:
+  Marcos Thadeu Queiroz Magalhães (thadillo@gmail.com)
+
+This attribution must be included in:
+- Source code files (as comments or headers)
+- Documentation
+- User interfaces (where applicable)
+- Academic publications or presentations using this software
+- Derivative works
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

@@ -12,6 +12,15 @@ license: mit
 
 An AI-powered collaborative urban planning platform for multi-stakeholder engagement sessions with advanced sentence-level categorization and fine-tuning capabilities.
 
+## Author & Copyright
+
+**Created by: Marcos Thadeu Queiroz Magalhães**
+📧 thadillo@gmail.com
+
+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.
+
 ## Features
 
 ### Core Features
@@ -242,18 +251,34 @@ ZERO_SHOT_MODELS_DIR=models/zero_shot
 
 ## License
 
-MIT - See LICENSE file for details
+MIT License - See [LICENSE](LICENSE) file for full details.
+
+Copyright © 2024-2025 Marcos Thadeu Queiroz Magalhães (thadillo@gmail.com)
+
+### Citation Requirement
+
+Any use, modification, or distribution of this software must include proper attribution to:
+
+**Marcos Thadeu Queiroz Magalhães (thadillo@gmail.com)**
+
+This includes:
+- Source code and documentation
+- Academic publications or presentations
+- Derivative works and commercial applications
+- User interfaces and credits sections
 
 ## Contributing
 
 Contributions welcome! Please:
 1. Fork the repository
 2. Create a feature branch
-3. Submit a pull request with clear description
+3. Maintain attribution to the original author in all contributions
+4. Submit a pull request with clear description
 
 ## Support
 
 For issues or questions:
 1. Check existing documentation files
 2. Review troubleshooting section above
-3. Open an issue with detailed description
+3. Contact: thadillo@gmail.com
+4. Open an issue with detailed description

README_HF.md

@@ -12,6 +12,9 @@ license: mit
 
 An AI-powered collaborative urban planning platform for multi-stakeholder engagement sessions.
 
+**Created by: Marcos Thadeu Queiroz Magalhães** (thadillo@gmail.com)
+Copyright © 2024-2025. All rights reserved.
+
 ## Features
 
 - 🎯 **Token-based access** - Self-service registration for participants
@@ -53,4 +56,6 @@ The app starts empty. You can:
 
 ## License
 
-MIT
+MIT License - Copyright © 2024-2025 Marcos Thadeu Queiroz Magalhães (thadillo@gmail.com)
+
+This software must be cited and credited to Marcos Thadeu Queiroz Magalhães whenever used or employed.

app/__init__.py

@@ -1,3 +1,9 @@
+"""
+Participatory Planning Application
+Copyright (c) 2024-2025 Marcos Thadeu Queiroz Magalhães (thadillo@gmail.com)
+Licensed under MIT License - See LICENSE file for details
+"""
+
 from flask import Flask
 from flask_sqlalchemy import SQLAlchemy
 from flask_limiter import Limiter

app/analyzer.py

@@ -2,6 +2,9 @@
 AI-powered submission analyzer using Hugging Face zero-shot classification.
 This module provides free, offline classification without requiring API keys.
 Supports both base models and fine-tuned models with LoRA.
+
+Copyright (c) 2024-2025 Marcos Thadeu Queiroz Magalhães (thadillo@gmail.com)
+Licensed under MIT License - See LICENSE file for details
 """
 
 from transformers import pipeline, AutoTokenizer, AutoModelForSequenceClassification

app_hf.py

@@ -1,6 +1,9 @@
 """
 Hugging Face Spaces entry point
 This wraps the Flask app for Hugging Face deployment
+
+Copyright (c) 2024-2025 Marcos Thadeu Queiroz Magalhães (thadillo@gmail.com)
+Licensed under MIT License - See LICENSE file for details
 """
 import os
 import sys