Auto-review follow-ups for PR #161: feat(cli): add dom and download verbs

[github-actions]

Tracking auto-review follow-ups for #161 (verdict: warn).

🟡 Nits

• profile-declare's domSelectors merge loop in main.ts:88-90 dedups by name only, silently dropping an updated selector value for an already-declared handle (and within a single declare call if the handle repeats), inconsistent with the captureHeaders loop immediately above it

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When addressing the review on #161, resolve each item and add Closes #<this issue> to the PR once everything is genuinely fixed; deferred items stay open here. See the auto-review follow-up convention in CLAUDE.md.