chore: unique paas native application names

[Tom Bojer (tombojer)]

Summary

PaaS Native application names are unique and cannot be reused.

Related links

Checklist

• I reviewed affected links, code samples, and cross-references, including PageRef references where relevant.
• I added or updated redirects in .gitbook.yaml if pages were moved, renamed, or deleted.
• I updated .wordlist.txt (and sorted it) if spellcheck flags new legitimate terms.
• Any required dependent changes in downstream modules have already been merged and published.
• This pull request is ready for review.

Notes

[shopware-dev-docs-connector]

Developer Docs healthcheck

Status: Completed with success.
Repository: shopware/docs
Commit: 4d2d456
Preview: https://developer-documentation-8iyf9iq8o-shopware-frontends.vercel.app
Workflow run: #5123

[github-actions]

📢 Developer Announcement Recommendation

Recommendation: ❌ No Announcement Recommended

No developer announcement signals were detected.

This PR does not appear to introduce developer-facing changes that require a community announcement.

[Copilot]

Pull request overview

Adds documentation to clarify that Shopware PaaS Native application names remain reserved and cannot be reused after deletion, helping prevent confusion when recreating apps.

Changes:

• Added a warning admonition under “Creating an Application” explaining application-name uniqueness and non-reuse after deletion.

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[Micha Hobert (Isengo1989)]

Thanks for the PR Tom Bojer (@tombojer) 👍