⚠️ Cannot open HTML file directly
Why are you seeing this?
You opened the HTML file directly using the file:// protocol. Browser security prevents loading JSON files from the local filesystem.
Please run via an HTTP server.
✅ Recommended ways to run
Option 1 — use the provided startup script
From the project root run:
./start_local_server.sh
Option 2 — start a simple HTTP server
From the project root run:
python3 -m http.server 8000
📋 Full steps
- Open a terminal
- Change to the project directory
- Start a local server:
python3 -m http.server 8000
- Open http://localhost:8000 in your browser