How can I answer the question "what phase level is this chunk of code
running at?"

For example:

(displayln (~a "current phase level: " (current-phase-level)))  ; outputs 0
(begin-for-syntax
  (displayln (~a "current phase level: " (current-phase-level)))  ; outputs
1
)

Long version:

I'm having some issues with providing macros and ending up with things
being required at the wrong phase level. (At least, I'm fairly sure that's
what's happening.)

I've played around with various combinations of for-syntax and for-template
on my provide and require lines without success, I've read the Guide and
much of the Reference on phase level, and I've gone through the section on
syntax objects, as well as through the macro-debugging library and
DrRacket.  (Which I typically don't use, so maybe I'm just missing it.)

I'd like to try a little longer to get this on my own, and the code in
question is reasonably long which is why I'm asking this question before
taking the time to pare it down to a minimal example.

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