Fix multiple preview comments and improve comment matching

- Fix comment detection pattern to match actual text 'Cloudflare Pages'
- Add comprehensive logging to debug Cloudflare URL outputs
- Improve comment format with clear PR number and instructions
- Add debugging info to understand why multiple deployments occur

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: rfay

.github/FORK_PREVIEW_SETUP.md

@@ -13,9 +13,9 @@ The workflow in `.github/workflows/cloudflare-preview-forks.yml` implements a se
 
 ### 1. Cloudflare Pages Project
 
-The workflow uses the existing `ddev-com-front-end` Cloudflare Pages project that serves the main site. This provides consistent preview URLs and centralized management.
+The workflow uses a dedicated `ddev-com-fork-previews` Cloudflare Pages project for security isolation from the main site.
 
-**No additional project setup needed** - the workflow will create `pr-{number}` branch deployments within the existing project using Cloudflare's Direct Upload API.
+**No additional project setup needed** - the project is already configured and the workflow will create stable preview deployments using Cloudflare's Direct Upload API.
 
 ### 2. Cloudflare API Token
 
@@ -43,7 +43,7 @@ Add these in GitHub repository settings → Secrets and variables → Actions:
 **Repository Variables:**
 
 - `CF_ACCOUNT_ID`: Your Cloudflare Account ID (found in dashboard sidebar)
-- `CF_PAGES_PROJECT`: Set to `ddev-com-front-end` (the main site's Cloudflare project)
+- `CF_PAGES_PROJECT`: Set to `ddev-com-fork-previews` (dedicated fork preview project)
 
 ### 4. Repository Variables (Optional)
 
@@ -95,7 +95,7 @@ The workflow is triggered automatically for:
 
 1. Downloads build artifact from Stage 1
 2. Deploys to Cloudflare Pages using API
-3. Creates stable preview URL: `https://pr-{number}.ddev-com-front-end.pages.dev`
+3. Creates stable preview URL: `https://{hash}.ddev-com-fork-previews.pages.dev`
 4. Comments preview URL on the PR
 5. Updates comment on subsequent pushes
 
@@ -129,9 +129,9 @@ The workflow is triggered automatically for:
 
 ### Preview URL Issues
 
-- Verify `ddev-com-front-end` Cloudflare Pages project exists and is accessible
+- Verify `ddev-com-fork-previews` Cloudflare Pages project exists and is accessible
 - Check account ID matches the project's organization
-- Ensure `CF_PAGES_PROJECT` is set to `ddev-com-front-end`
+- Ensure `CF_PAGES_PROJECT` is set to `ddev-com-fork-previews`
 
 ## Manual Testing
 

.github/workflows/cloudflare-preview-forks.yml

@@ -332,8 +332,12 @@ jobs:
         env:
           DEPLOYMENT_URL: ${{ steps.pages.outputs.deployment-url }}
           ALT_URL: ${{ steps.pages.outputs.url }}
+          PR_NUMBER: ${{ github.event.pull_request.number }}
         with:
           script: |
+            // Log all available outputs for debugging
+            core.info(`Cloudflare outputs - deployment-url: ${process.env.DEPLOYMENT_URL}, url: ${process.env.ALT_URL}`);
+            
             // Prefer stable branch URL over commit-specific URL
             const branchUrl = process.env.ALT_URL;
             const commitUrl = process.env.DEPLOYMENT_URL;
@@ -344,17 +348,20 @@ jobs:
               return;
             }
 
-            const urlType = branchUrl ? 'stable branch preview' : 'deployment preview';
-            const body = `Cloudflare Pages ${urlType}: ${url}`;
+            const body = `🌐 **Fork Preview for PR #${process.env.PR_NUMBER}**
 
-            core.info(`Using ${urlType} URL: ${url}`);
+${url}
+
+*This preview updates automatically when you push changes to your fork.*`;
+
+            core.info(`Using preview URL: ${url}`);
             const { data: comments } = await github.rest.issues.listComments({
               owner: context.repo.owner,
               repo: context.repo.repo,
               issue_number: context.issue.number,
             });
             const existing = comments.find(c =>
-              c.user?.type === 'Bot' && c.body && c.body.includes('Cloudflare Pages preview:')
+              c.user?.type === 'Bot' && c.body && c.body.includes('Cloudflare Pages')
             );
             if (existing) {
               await github.rest.issues.updateComment({