[DOC] ASR: fix numpydoc docstring rendering

[sappelhoff]

Three malformed numpydoc constructs in meegkit/asr.py rendered incorrectly in the Sphinx API docs.

1. clean_windows parameter list mangled

A free-text paragraph sat inside the Parameters block. numpydoc parsed each line as a name (type) entry, producing four garbage "parameters" and disrupting the real ones:

tuned. (The following are detail parameters that usually do not have to be)
want (If you can't get the function to do what you)
consider (you might)
data. (adapting these to your)

Moved that guidance to a Notes section; all documented parameters now render correctly.

2. ASR attribute names showed literal backticks

Attributes wrapped names in double backticks (``zi_``, ``ab_``, ``cov_``, ``state_``), so the backticks appeared verbatim in the rendered headings. Changed to plain zi_ : array, ....

3. cutoff: missing space before colon

cutoff: (in ASR and asr_calibrate) is not valid numpydoc name : type syntax. Changed to cutoff : float.

Verification

• Built the API docs before/after: all parameters and attributes render correctly, no build warnings.
• Added a regression test (test_docstring_parameters, test_docstring_attributes) that parses the docstrings with numpydoc; it fails on the original docstrings and passes after the fix.
• Full tests/test_asr.py passes; ruff clean.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 83.10%. Comparing base (3721224) to head (b6c82d0).

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #119   +/-   ##
=======================================
  Coverage   83.10%   83.10%           
=======================================
  Files          25       25           
  Lines        2818     2818           
=======================================
  Hits         2342     2342           
  Misses        476      476           

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