[DeryFerd]

Summary

The Lambda docs pages end with a "Source code for this function" link pointing at the file that implements the function on GitHub. 15 of the 33 GitHub links across the 75 pages under packages/docs/docs/lambda point to paths that no longer exist on main, so they land on a 404. #12454 fixed the one broken link on the validateWebhookSignature() page; this PR fixes the remaining 15.

14 of the 15 are the same breakage: the Lambda API surface moved from packages/lambda/src/api/ into packages/lambda-client/src/, and the links kept the old prefix. Every one of them has an exact counterpart in the new location, so each fix is a one-line URL swap. The affected files are app-router-webhook.ts, delete-function.ts, delete-render.ts, estimate-price.ts, express-webhook.ts, get-aws-client.ts, get-compositions-on-lambda.ts, get-functions.ts, get-render-progress.ts, get-sites.ts, pages-router-webhook.ts, presign-url.ts, render-still-on-lambda.ts and speculate-function-name.ts.

The last one is a stale asset path: the cost example page links packages/example/public/bigbuckbunny.mp4, but the video lives at packages/example-videos/videos/bigbuckbunny.mp4. Nothing else in the diff: no rewording, no reordering, exactly one line changes per page.

Validation

I enumerated every github.com/remotion-dev/remotion/blob/main/ link on the 75 lambda docs pages with a small script and checked each target against the repository, instead of sampling a few pages. The script strips anchors and query strings before the existence check, so a URL like file.ts#L1-L3 is not counted as a missing file.

• Before the change: 33 links total, 15 broken. After: 33 links total, 0 broken.
• Each of the 14 replacement paths was verified to exist on main before the swap (packages/lambda-client/src/<file> for the moved files), as was packages/example-videos/videos/bigbuckbunny.mp4 for the asset link.
• bun .github/scripts/check-docs-available-from.ts exits 0 over 1239 docs pages.
• The diff is exactly 15 files with one changed line each (+15/−15), all under packages/docs/docs/lambda/.

Tradeoffs

These links can rot again the next time a file moves. I kept the diff to the URL fixes so the change stays a five-minute review, and the docs build only catches broken page links, not broken GitHub source links, so a small link checker in CI would be the durable fix if you want one later.

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Project	Deployment	Actions	Updated
bugs	Ready	Preview	Oct 29, 2026 8:22am UTC
remotion	Ready	Preview	Oct 29, 2026 8:22am UTC

[pullfrog]

✅ No new issues found.

Reviewed changes

Documentation-only fix that repoints stale GitHub source links on the Lambda docs pages.

• Moved API source links — 14 lambda pages now point at packages/lambda-client/src/<file>.ts instead of the removed packages/lambda/src/api/<file>.ts.
• Cost example asset — cost-example.mdx now links packages/example-videos/videos/bigbuckbunny.mp4 instead of the old packages/example/public/ path.

I verified each new target resolves on the branch: all 14 files exist under packages/lambda-client/src/, packages/example-videos/videos/bigbuckbunny.mp4 exists, and the 11 remaining packages/lambda/src/api/ links left untouched (e.g. deploy-function.ts, get-regions.ts, iam-validation/*) still resolve, so none were missed. The author's claim of 33 total links / 0 broken after the change holds up.

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