chore(agents): run innerhtml-migration-agent daily task — migrate js/channelProfile.js

- Replaced 10 instances of `innerHTML` with safe DOM APIs (`createElement`, `replaceChildren`, `textContent`).
- Extracted Zap Panel creation to `createZapPanelContent` helper.
- Extracted Subscribe Button creation logic.
- Updated `scripts/check-innerhtml.mjs` baseline (count reduced by 10).
- Verified via lint, unit tests, and Playwright verification.

Co-authored-by: PR0M3TH3AN <[email protected]>

scripts/check-innerhtml.mjs

@@ -24,7 +24,6 @@ const SOURCE_DIR = join(ROOT, "js");
 const BASELINE = {
   "js/app.js": 1,
   "js/app/feedCoordinator.js": 1,
-  "js/channelProfile.js": 10,
   "js/docsView.js": 8,
   "js/exploreView.js": 1,
   "js/forYouView.js": 1,