Follow-up to the merged #5940. Trims verbose comments across the
Windows/WSL installer and Studio backend to their load-bearing content
(constraints, env-var names, issue refs, magic-value rationale),
removing restated-code narration and multi-sentence justifications.
Comment-only and machine-verified: every .py file is AST-dump-identical
(docstrings normalized), every .ps1 is non-comment-token identical, and
every .sh has zero non-comment-line changes with bash -n clean, all
checked against main. Install suites (340 passed) and backend suites
(282 passed) unchanged. Net -159 comment lines across 15 files.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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