Confirm handle_attach trace_callback ordering already prevents NoMethodError

[Copilot]

The review comment raised a concern about trace_callback potentially being invoked before @root_path is initialized, which would cause a NoMethodError when calling start_with?(@root_path) on line 115.

Current Implementation

The handle_attach method already implements the correct ordering:

def handle_attach(req)
  args = req["arguments"] || {}
  
  @root_path = File.expand_path(args["appRoot"] || Dir.pwd)  # Set first
  puts "APP ROOT: #{@root_path}"
  
  set_trace_func method(:trace_callback).to_proc  # Called after @root_path is set
  send_response(req)
end

Since set_trace_func is called after @root_path initialization, trace_callback cannot be invoked with a nil @root_path. No code changes required.

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