docs(n8n): sync 2.29.7 default

[mberlofa]

Summary

• Sync n8n documentation with the chart default image tag 2.29.7.
• Add n8n to the curated playground registration and expose image.tag in the playground controls.

Validation

• make site-sync-check CHART=n8n
• npm run format:check
• npm run lint
• npm run build
• make release-check REPO=site
• make attribution-check REPO=site

Summary by CodeRabbit

• New Features
  • Added an “Image Tag” field to the n8n playground configuration (default set to 2.29.7).
  • Included the n8n chart in the playground’s site-sync configuration so it’s available for more synced workflows.
• Documentation
  • Updated the n8n chart reference to reflect the current default container image tag (2.29.7).

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro Plus

Run ID: 7da74aba-34ed-4f2d-adde-19328c26b824

📥 Commits

Reviewing files that changed from the base of the PR and between 4db7eff and 6a8cd08.

📒 Files selected for processing (3)

• src/data/playground-configs.ts
• src/pages/docs/charts/n8n.mdx
• src/pages/playground.astro

🚧 Files skipped from review as they are similar to previous changes (3)

• src/pages/playground.astro
• src/pages/docs/charts/n8n.mdx
• src/data/playground-configs.ts

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📝 Walkthrough

Walkthrough

Updates the n8n chart's default image tag to 2.29.7 in the playground config and docs, and adds n8n to the playground site-sync allowlist.

Changes

n8n image tag update and playground registration

Layer / File(s)	Summary
Image tag field and docs update src/data/playground-configs.ts, src/pages/docs/charts/n8n.mdx	Adds an "Image Tag" field with key image.tag and default 2.29.7 to the n8n playground config, and updates the docs default from 2.22.3 to 2.29.7.
Playground site-sync registration src/pages/playground.astro	Adds the n8n chart slug to siteSyncPlaygroundConfigs, mapping it to src/data/playground-configs.ts.

Estimated code review effort: 1 (Trivial) | ~3 minutes

Possibly related issues

• chore(n8n): upstream image update available (2.28.3 → 2.29.6) charts#699: Tracks an n8n image tag update path, which matches the config and docs version bump in this PR.

Possibly related PRs

• helmforgedev/site#322: Updates src/pages/playground.astro’s siteSyncPlaygroundConfigs mapping in the same way, adding a chart slug for site-sync eligibility.
• helmforgedev/site#323: Extends the same playground config mapping from src/data/playground-configs.ts, changing the same eligibility path.
• helmforgedev/site#324: Modifies the same siteSyncPlaygroundConfigs registry to add another chart slug, affecting the same playground selection logic.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly matches the main change: syncing the n8n default to version 2.29.7.
Description check	✅ Passed	The description includes a solid summary and validation steps, though it omits the template's Quality Gates checkboxes and Related Issue section.
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

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch docs/n8n-2.29.7

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