[docs] Update demo video to the new recording

[mmabrouk]

Context

The demo video was re-recorded, so the old recording (Y5l2BPRkKC8) is out of date everywhere it is embedded. PR #6036 swapped it in the four README files. The docs site still played the old video.

Changes

Three YouTube embeds now point at the new recording (7Wfvtv428Fs):

• docs/docs/getting-started/01-introduction.mdx (the "Watch this short video" embed on the docs landing page)
• docs/blog/entries/agenta-is-now-a-workspace-for-building-agents.mdx (both embeds: the summary card and the body)

Each page embeds the video with a plain <iframe src="https://www.youtube.com/embed/<id>">, so only the id changed. The docs pages never used the GitHub thumbnail asset that the READMEs do, so there is no image to swap here. Nothing else in the pages moved.

Notes

A repo-wide grep for the old video id and the old thumbnail asset id now returns nothing outside .git, so this completes the swap PR #6036 started.

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Project	Deployment	Actions	Updated (UTC)
agenta-documentation	Blocked		Aug 14, 2026 4:42pm

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Repository YAML (base), Organization UI (inherited)

Review profile: CHILL

Plan: Pro Plus

Run ID: 25e08e58-1256-48db-8336-c33cf9c27c2c

📥 Commits

Reviewing files that changed from the base of the PR and between 0af145e and d331918.

📒 Files selected for processing (2)

• docs/blog/entries/agenta-is-now-a-workspace-for-building-agents.mdx
• docs/docs/getting-started/01-introduction.mdx

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📝 Walkthrough

Summary by CodeRabbit

• Documentation
  • Updated embedded YouTube videos in the workspace introduction blog post.
  • Replaced the introductory video on the getting started page.

Walkthrough

The documentation updates replace three embedded YouTube video references with video 7Wfvtv428Fs.

Changes

Embedded video reference updates

Layer / File(s)	Summary
Update embedded video references docs/blog/entries/agenta-is-now-a-workspace-for-building-agents.mdx, docs/docs/getting-started/01-introduction.mdx	The blog and introduction pages now reference YouTube video 7Wfvtv428Fs instead of Y5l2BPRkKC8.

Estimated code review effort: 1 (Trivial) | ~2 minutes

Merge Risk: ⚪ Minimal · up to d3319

This localized documentation update only replaces outdated embedded video IDs, with no actionable merge-blocking risk remaining after normal checks and review.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description check	✅ Passed	The description clearly explains the replacement of outdated YouTube embeds with the new demo recording.
Title check	✅ Passed	The title clearly and concisely describes the documentation change to use the new demo video.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches 💡 1

🛠️ Fix failing CI checks 💡

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch docs/update-demo-video

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