webmcp: f490b78827d6 framework/env/trace/_

webmcp

More documentation in JSON library; Implement json.isnull(...) through json.type(...) == "null"

line source

1 trace._disabled = false

2 trace._tree = { type = "root", start_hires_time = extos.monotonic_hires_time() }

3 trace._stack = { trace._tree }