[teamleaderleo]

The nightly What's New digest is built from release-notes/next/highlights/*.md, and scripts/whats-new/digest.py drops every file that fails validate.py. On feat-cmux-next, 70 of the 83 files failed: bodies over 240 characters or two sentences, titles over 60, no try-it action or docs link, or internal names such as cmux-tui. So most highlights never reached What's New. Each failure only shows as a stderr line in the nightly job.

This PR rewrites the app highlights (43 files) so each one passes, and keeps them user-facing. Every file now sets category: explicitly. Each action: id was checked against the CmuxNextActions catalogs; the rest link a cmux.com/docs page. Bogus values such as action: docs | plans/... were replaced. File names (the entry ids) are unchanged. claude-through-coderouter already passed, but its action pointed at a repo path, so it now links the CodeRouter docs.

Evidence

Running digest.parse and digest.entry_problems on every file in the directory:

• on this branch, 0 of these 43 files fail;
• once this PR and its sibling (the browser highlights, release-notes(next): fit browser highlights to the What's New limits #21716) are both in, 0 of 83 fail.

No app build: only Markdown changes.

Changelog

none

🤖 Generated with Claude Code

---

Summary by cubic

Rewrites the app highlights under release-notes/next/highlights/ so the nightly What's New digest stops dropping them. On feat-cmux-next, 70 of 83 files failed validation — bodies over the limits, internal names like cmux-tui, bogus actions — so most notes never reached What's New.

• Every file now has an explicit category:, and each action: id was checked against the action catalogs or links a cmux.com/docs page. Two dead links were swapped for live actions or docs pages, and the profile-menu note now lists what the button opens.
• Content stays user-facing and file names are unchanged; once the sibling browser-highlights PR lands, all 83 files validate.

^{Written for commit b8b122e. Summary will update on new commits.}

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[github-actions]

Receipt for b8b122e (this PR's head; a new push replaces it)

• Visual review: HQ feed card · gallery before/after runs
• Checks: this head
• App of this head (app.zip, kept 1 day): gh workflow run reload-build.yml -R manaflow-ai/cmux --ref feat-cmux-next -f tag=pr21717 -f ref=claude/next-highlights-app -f platform=macos -f backend_mode=local

[teamleaderleo]

Bead cx-5yizq created for this PR by the cmux coordinator.