Todo

improve style on lines and make them easy to read
improve refresh time with data reduction over the wire
prevent accidental grill commands to command urls
better way to see start and stop range on single graph from cook. Does not need to be realtime. Could refresh every 10 seconds, for ex.
better utilize height of page to make it easier to see differences in scale - probe temp is always 200 ish or less while grill sometimes gets set at 500 - makes it hard to see the details in probe temp
UI to visualize all the status bits - pizza mode, current debug dump
UI with buttons to turn on / off the command API features
Use temperature of grill before cook to measure ambient temp outside. (trey feedback)
Can we get better temperate data in realtime or over time?

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