[PD] deeper csound6~ question

[forrest curo]

I'm concluding that pd runs csound (via [csound6~] ) directly in some way
-- and that the instance of csound it's running does have access to the
system outside the csound6~ interface:

for example, if I put a widget in the .csd file I'm playing, it normally
won't get displayed. But If I put it in a widget panel in the file, it does
-- not through pd, correct?

If I just wanted to use pd to send controls ( via [HID] for example), I'd
expect I wouldn't need to run pd at dsp rate, could have the csound
instance send audio directly to dac...

but putting the -odac flags in the .csd file doesn't seem to do it. [These
do work if I run the same file via command line.]

Is the audio from [csound6~] trapped within the interface somehow? Or is pd
grabbing the dac even when I use 'Audio Settings' to turn 'Input device
1:'  off?

Is there an easy fix? -- or would I do better to just run the audio back
into pd & out via [dac~] as is customary?
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