[RathodDarshil]

Rewrites the custom landing pages guide to the v1 scope: up to 50 pages per project, a check and fix flow, and a choice of which page each Meta campaign, ad set, ad or Linkrunner campaign link shows. Screenshots are now real dashboard states, and the page opens with a 46 second launch video. Draft: ships with LIN-235; do not merge or publish before the feature is live.

Related edge compression work: LIN-3886.

Changes

• Launch video at the top of the page: a voiced walkthrough of a page per Linkrunner link, how it works and the five setup steps (no Meta in the video, on purpose). Hosted at media.assets.linkrunner.io/linkrunner-custom-landing-pages.mp4, with linkrunner-custom-landing-pages-thumbnail.jpg as the poster. Source: custom-landing-pages/ in video-workflow#1.
• features/custom-landing-page.mdx now describes the v1 flow: library, upload (.zip with index.html or one .html, 10 MB), automatic check, Fix it for me (Required only or Everything), email when ready, review (before and after phones, slow network filmstrip, QR preview that does not count as a click), approve, then choose where it shows.
• New "Choose where each page shows" section: default page, Meta web-to-app campaign, ad set or ad (most specific wins: ad, ad set, campaign, default, then the Linkrunner page), and Linkrunner campaign links, also from the Landing page field in the campaign form. Covers adset_id={{adset.id}} and ad_id={{ad.id}}, and the ad set fallback without ad_id.
• Google web-to-app always keeps the Linkrunner page (removed from "when your pages are shown").
• Removed the visitor results section and anything about a one-page-only setup. Kept the comparison table, "Before you upload", the fixes table, and updated troubleshooting. Added the "if you don't see Landing Pages in Settings, contact support" note.
• Only checked pages can be picked, and a page in use cannot be deleted.
• social-media-intermediary-page.mdx: one sentence updated to mention per-ad and per-campaign pages.
• Images: 10 real light-mode dashboard screenshots (fictional app "Stride") from the dashboard PR evidence branch evidence/lin-235, cropped to the relevant panel, WebP, 27 to 89 KB each. The 10 old mock images are deleted.

Image	Evidence state
library	01 library
upload	04 uploading
checking	05 checking
report	06 report
fixing	07 fixing
review, slow-network	08 review
approve	09 approve modal
where-they-show	12 where they show
campaign-picker	15 campaign form picker

Testing

• Video: local mint dev preview plays it with the poster, not autoplaying, not muted, 46.6 s; both CDN files return 200 and match the local render byte for byte.

• npm run check:agents: 9 pass, 0 fail. npm run check:routes -- origin/main: 133 pages, valid.
• mint broken-links: no findings for the two changed pages (it reports unrelated links in skills/).
• mint dev renders /features/custom-landing-page (HTTP 200); all 10 image paths exist.
• Not tested: the feature itself (not shipped), and the rest of the page visually after the final edit (only the top, with the video, was checked in a browser).

Risk / follow-ups

• Re-check labels (for example Approve and go live, Where they show, Copy URL parameters) and the 50 page and 10 MB limits against the shipped UI before publishing.
• Screenshots come from the evidence branch, not production.
• The video files are already public on the CDN at unlisted URLs, so they can be found before launch. The video shows the fictional Stride app only.

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