[WIP] Update PR comments to be persistent and optional logging

[Claude]

Thanks for asking me to work on this. I will get started on it and keep this PR's description up to date as I form a plan and make progress.

---

This section details on the original issue you should resolve

<issue_title>Feature Request: Persistent PR Comments and Optional Wrangler Logging</issue_title>
<issue_description>Currently this action make a new comment for each push on the same PR. It would be better if it update the same comment just like the official Cloudflare bot and make Wrangler logging optional.</issue_description>

Comments on the Issue (you are @claude[agent] in this section)

@andykenward > Currently this action make a new comment for each push on the same PR. It would be better if it update the same comment just like the official Cloudflare bot and make Wrangler logging optional.

The idea of new comments is that they preserve the history of deployed versions. Allowing you to compare previous deployed versions on that PR until you close it. It also notifies users who have subscribed to the PR. Updating just one comment would be misleading and would not notify users of changes.

We would need to implement the deletion of previous deployments in an open PR and effectively rewrite the PR's history. From my point of view, an open PR is for reviewing, and you want to keep the history immutable to some extent.

I will look into adding a configuration option to let you disable deployment history for an open PR.

Wrangler logging optional.

Are you referring to the "Wrangler Output" in the comment? That should be an easy configuration to add to this action.</comment_new>

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[github-actions]

Cloudflare Pages Deployment

Event Name: pull_request
Environment: preview
Project: cloudflare-pages-action
Built with commit: ed0d069
Preview URL: https://12f3c9a0.cloudflare-pages-action-a5z.pages.dev
Branch Preview URL: https://claude-feature-persistent-pr.cloudflare-pages-action-a5z.pages.dev

Wrangler Output

⛅️ wrangler 4.86.0
───────────────────
Uploading... (3/3)
✨ Success! Uploaded 0 files (3 already uploaded) (0.43 sec)

✨ Uploading _headers
✨ Uploading Functions bundle
🌎 Deploying...
✨ Deployment complete! Take a peek over at https://12f3c9a0.cloudflare-pages-action-a5z.pages.dev
✨ Deployment alias URL: https://claude-feature-persistent-pr.cloudflare-pages-action-a5z.pages.dev

[github-actions]

Cloudflare Pages Deployment

Event Name: pull_request
Environment: preview
Project: cloudflare-pages-action
Built with commit: 99e33f5
Preview URL: https://c74305db.cloudflare-pages-action-a5z.pages.dev
Branch Preview URL: https://claude-feature-persistent-pr.cloudflare-pages-action-a5z.pages.dev

Wrangler Output

⛅️ wrangler 4.86.0
───────────────────
Uploading... (3/3)
✨ Success! Uploaded 0 files (3 already uploaded) (0.64 sec)

✨ Uploading _headers
✨ Uploading Functions bundle
🌎 Deploying...
✨ Deployment complete! Take a peek over at https://c74305db.cloudflare-pages-action-a5z.pages.dev
✨ Deployment alias URL: https://claude-feature-persistent-pr.cloudflare-pages-action-a5z.pages.dev