Simplify Gumroad links tool and remove fetch worker (#20)

- simplify the Gumroad link builder UI to synchronise between username, product id, and product URL without fetching
- remove the gumroad-products Cloudflare Worker and adjust deployment workflow and documentation accordingly


------
[Codex Task](https://chatgpt.com/codex/tasks/task_e_6917189a97f08325b3d679d4ccf05d3b)

Author: rodrigogiraoserrao

.github/workflows/deploy-cloudflare-workers.yml

@@ -15,7 +15,6 @@ jobs:
     permissions:
       pull-requests: read
     outputs:
-      gumroad_products: ${{ steps.filter.outputs.gumroad-products }}
       social_link_preview: ${{ steps.filter.outputs.social-link-preview }}
       # If I add more filters below, I need to “export them” here.
     steps:
@@ -26,37 +25,10 @@ jobs:
       id: filter
       with:
         filters: |
-          gumroad-products:
-            - 'cloudflare-workers/gumroad-products/**'
           social-link-preview:
             - 'cloudflare-workers/social-link-preview/**'
         # I can add more filters here and access them separately.
 
-  deploy-gumroad-products:
-    name: Deploy Gumroad Products Worker
-    runs-on: ubuntu-latest
-    needs: changes
-    if: ${{ github.event_name == 'workflow_dispatch' || needs.changes.outputs.gumroad_products == 'true' }}
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-
-      - name: Setup Node.js
-        uses: actions/setup-node@v4
-        with:
-          node-version: '20'
-
-      - name: Install Wrangler
-        run: npm install -g wrangler
-
-      - name: Deploy to Cloudflare Workers
-        working-directory: cloudflare-workers/gumroad-products
-        env:
-          CLOUDFLARE_API_TOKEN: ${{ secrets.CLOUDFLARE_API_TOKEN }}
-          CLOUDFLARE_ACCOUNT_ID: ${{ secrets.CLOUDFLARE_ACCOUNT_ID }}
-        run: |
-          wrangler deploy --env production
-
   deploy-social-link-preview:
     name: Deploy Social Link Preview Worker
     runs-on: ubuntu-latest

cloudflare-workers/README.md

@@ -10,10 +10,6 @@ Each worker lives in its own subdirectory with:
 
 ## Current Workers
 
-### gumroad-products
-- **Location**: `cloudflare-workers/gumroad-products/`
-- **Purpose**: Fetch products from a Gumroad user profile page
-
 ### social-link-preview
 - **Location**: `cloudflare-workers/social-link-preview/`
 - **Purpose**: Fetch a URL server-side, extract metadata, and return link preview reports for the frontend tool
@@ -66,7 +62,7 @@ Each worker is deployed independently - only workers with changed files are depl
 To deploy manually from your local machine:
 
 ```bash
-cd cloudflare-workers/github-auth
+cd cloudflare-workers/social-link-preview
 wrangler deploy --env production
 ```
 
@@ -81,7 +77,7 @@ To add a new worker to this monorepo:
 
 1. Create a new directory: `cloudflare-workers/your-worker-name/`
 2. Add your worker code as `worker.js`
-3. Create a `wrangler.toml` configuration (copy from github-auth as template)
+3. Create a `wrangler.toml` configuration (copy from social-link-preview as template)
 4. Add a new job to `.github/workflows/deploy-cloudflare-workers.yml` (see commented example)
 5. Push to main branch