HTMX Test Frontend for Evaluation

[RobertMeissner]

HTMX Test Frontend for GameOverview

🎯 Purpose

This PR adds a minimal HTMX frontend to test the feel of HTMX compared to the current Angular frontend, while keeping the existing Spring Boot backend unchanged.

📁 What's Added

Documentation

• • Full context of the exploration, including analysis of current stack
• • Complete migration plan for Option A (FastAPI backend migration)

HTMX Test Frontend ()

• • Main entry point with navigation sidebar
• • Game catalog with filtering (store, status) and actions (mark played, add to backlog)
• • Top rated unplayed games view
• • Backlog view with remove functionality
• • Short, highly-rated games with configurable filters (max hours, min rating)
• • Custom Bootstrap-based styling
• • Full documentation on how to test

🚀 How to Test

1. Start your Spring Boot backend:

2. Open the HTMX frontend:

3. Try it out:

   • Click navigation links to switch between views
   • Filter games by store (Steam, GOG, Epic) or status
   • Mark games as played
   • Add games to backlog
   • Notice the simplicity compared to Angular

💡 What This Demonstrates

Aspect	HTMX + Vanilla JS	Current Angular
Files	6 files	69 files
Lines of Code	~800	~7,500
Dependencies	HTMX (5KB), Bootstrap	Angular, RxJS, TypeScript, npm
Build Time	0 seconds	15-45 seconds
Dev Reload	Instant	1-3 seconds

📊 Comparison

✅ Implemented

• All 4 main views (Games, Top Games, Backlog, Short Games)
• Filtering by store and status
• Mark as played / Add to backlog actions
• Game thumbnails and store icons
• Responsive design
• Loading states and error handling

⏭️ Not Implemented (Can be Added Later)

• Deduplication UI
• Admin panel
• Game scraper UI
• Store dashboard
• Theme toggle
• Export to markdown

🎯 Next Steps

After testing, you can:

1. If you LIKE HTMX:

   • Full HTMX migration for all views
   • Backend migration to FastAPI (Python)
   • Result: ~20 files total, no Java, no Angular

2. If you DON'T LIKE HTMX:

   • Keep Angular frontend
   • Still migrate backend to FastAPI
   • Result: ~79 files (10 Python + 69 Angular), no Java

3. If you're UNSURE:

   • Add more views to the test
   • Compare both frontends side-by-side
   • Decide based on experience

📝 Notes

• The default user ID is - update it to your actual UUID
• Spring backend must be running at
• This uses vanilla JavaScript with fetch() - a pure HTMX version would require backend changes

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