Trigger HF Spaces rebuild with updated requirements

This commit triggers a rebuild to install updated dependencies.

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

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

README_HF.md

@@ -8,6 +8,7 @@ sdk_version: "1.28.0"
 app_file: web_app.py
 pinned: false
 license: mit
+short_description: Model diverse stakeholder perspectives on urban planning with AI personas
 ---
 
 # 🏙️ AI Personas for Urban Planning