fix: perfectly center RViz focal point coordinates based on graph dimensions

feat: improve RViz camera view, enable noVNC control bar for zooming/panning

fix: removed hardcoded Desktop paths in interactive_runner.py scripts

Deploy update

Add Foxglove Bridge 3D visualizer embedded in frontend - replaces VNC

Simplify deployment: run headless node server directly on port 7860 without VNC to bypass abuse filter

Initial commit with browser VNC integration