Fix stale comments in ensureDeleteConfirmable

[jeremy]

#654 merged at 7ea0be6, before two comment-only revisions landed on the feature branch. This applies just those 16 lines — no code changes.

• The historical paragraph now describes the old gate in the past tense ("the old gate looked at flags, the env var and stdout, never stdin").
• The closing note on isNonInteractiveCommand said "read, never widened", but the delete path no longer consults it at all: it is deliberately bypassed — machineReadsThisOutput asks the narrower question this needs — and left untouched for its other callers (missingArg, noChanges), where widening would move behavior across many commands.

bin/ci green.

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Summary by cubic

Fixes two stale comments in ensureDeleteConfirmable that were left behind when the force-flag work merged in #654. No code behavior changes; this is comment text only.

• The historical paragraph now describes the old gate in the past tense.
• The closing note now says isNonInteractiveCommand is deliberately bypassed—machineReadsThisOutput asks the narrower question—and left untouched for its other callers (missingArg, noChanges), not "read, never widened".

^{Written for commit 27af253. Summary will update on new commits.}

[chatgpt-codex-connector]

Codex Review Summary

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Review	Status	Commit	Review trigger
📝 Code Review	✅ Completed2026-08-31T09:23:23.995304Z	27af253	PR opened

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[Copilot]

Pull request overview

Updates stale historical comments around delete confirmation logic; runtime behavior is unchanged.

Changes:

• Describes the former confirmation gate in past tense.
• Clarifies why isNonInteractiveCommand is bypassed.

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