📋 Instructions:

• 📁 Open JSON — Load a telematics data file *.json, format example: [ { "t": 1736905980, "fl": 78.0 }, { "t": 1736906040, "fl": 77.7 } ]
• 🔁 Generate Data — Build a pseudo-random sample graph
• Download Example from Server — Load a real example for testing
• Zoom the Chart — Use mouse scroll or trackpad
• Blue Line — Original data (view only)
• Red Line with Points — Editable values (drag points to change)
• Green Dashed Line — Control line (left click to add, right click to remove points). The red line snaps to this curve.
• Zoom the Chart — Adjust view for precision editing