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core grab docs INTEGRATION-SUMMARY.md

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Grab Worker - Integration Summary #

✅ What's Been Completed #

1. Worker Implementation & Deployment #

✅ TypeScript worker with Browser Durable Objects
✅ Deployed to Cloudflare Workers (Version: 511d31bc-c2e8-4f00-aea7-9b9d95e08733)
✅ Worker URL: https://aesthetic-grab.aesthetic-computer.workers.dev
✅ Screenshots generating successfully (tested 128x128, 256x256, 1200x630)
✅ Query parameter support: ?icon=WxH and ?preview=WxH
✅ Critical bug fixes:
- Updated @cloudflare/puppeteer from 0.0.1 to latest
- Added Buffer polyfill for Workers environment
- Replaced deprecated page.waitForTimeout()

2. Codebase Integration #

✅ Updated /system/public/aesthetic.computer/lib/parse.mjs
- Lines 487-494: Changed URLs from https://${host}/preview/... to https://grab.aesthetic.computer/preview/...
- Icon URLs: https://grab.aesthetic.computer/icon/128x128/${pieceName}.png
- OG Images: https://grab.aesthetic.computer/preview/1200x630/${slug}.png
- Twitter Images: https://grab.aesthetic.computer/preview/1800x900/${slug}.png
✅ Updated /system/netlify.toml Redirects
- Line 285-290: /preview/* → https://grab.aesthetic.computer/preview/:splat
- Line 306-310: /icon/* → https://grab.aesthetic.computer/icon/:splat
- Maintains backwards compatibility for existing URLs

3. Documentation #

✅ PLAN.md - Project roadmap and progress tracking
✅ README.md - Worker architecture and API documentation
✅ DEPLOYMENT.md - Deployment guide with custom domain instructions
✅ DEV-SETUP.md - Local development and debugging workflow
✅ MIGRATION.md - Migration strategy from Netlify to Cloudflare

⚠️ Pending: Custom Domain Setup #

The worker is fully functional but needs custom domain configuration.

Automated Deployment (Recommended - 2 minutes): #

One command does everything:

cd /workspaces/aesthetic-computer/grab
./scripts/deploy-with-dns.fish

This will:

✅ Deploy worker to Cloudflare
✅ Automatically create/update CNAME record
✅ Wait for DNS propagation
✅ Verify deployment

Prerequisites:

Set CLOUDFLARE_EMAIL in /aesthetic-computer-vault/grab/.env
Set CLOUDFLARE_API_TOKEN in vault/.env (get from https://dash.cloudflare.com/profile/api-tokens)

See full guide: AUTOMATED-DEPLOYMENT.md

Manual Methods (if preferred): #

Quick DNS Method (2 minutes):

Open DNS Settings: https://dash.cloudflare.com/a23b54e8877a833a1cf8db7765bce3ca/aesthetic.computer/dns/records
Add CNAME record:
- Name: grab
- Target: aesthetic-grab.aesthetic-computer.workers.dev
- Proxy: Enabled (orange cloud)
Wait: ~30 seconds
Test: curl -I "https://grab.aesthetic.computer/icon/128x128/prompt.png"

Alternative: Workers Dashboard Method (5 minutes):

Go to: Workers & Pages → aesthetic-grab → Settings → Domains & Routes
Click: "Add Custom Domain"
Enter: grab.aesthetic.computer
Wait: 2-5 minutes

All methods work identically - automated script is fastest!

🧪 Testing Status #

Production Testing (Workers.dev URL) #

# Icon endpoint
curl -I "https://aesthetic-grab.aesthetic-computer.workers.dev/icon/128x128/prompt.png"
# ✅ Returns: HTTP/2 200, content-type: image/png, 399 bytes

# Preview endpoint
curl -I "https://aesthetic-grab.aesthetic-computer.workers.dev/preview/1200x630/prompt.png"
# ✅ Returns: HTTP/2 200, content-type: image/png, 5.1KB

Query Parameters Verified #

Logs show correct URL construction:

Taking screenshot: 128x128 of https://aesthetic.computer/prompt?icon=128x128
Taking screenshot: 1200x630 of https://aesthetic.computer/prompt?preview=1200x630

After Custom Domain Setup #

# These URLs will work once custom domain is configured:
curl "https://grab.aesthetic.computer/icon/128x128/prompt.png"
curl "https://grab.aesthetic.computer/preview/1200x630/prompt.png"

🚀 Next Steps #

Immediate (Required for Production) #

Configure custom domain grab.aesthetic.computer via Cloudflare Dashboard
Test live integration on aesthetic.computer
- Check og:image meta tags: curl -I https://aesthetic.computer/prompt | grep og:image
- Test social media previews (Twitter, Discord, etc.)
- Verify favicons loading correctly

Short-term (Development Workflow) #

Add to dev stack (optional but recommended)
- Run wrangler dev in Emacs web panel
- Monitor logs during local development
- Test screenshot generation locally
Production monitoring (after custom domain setup)
- Monitor Cloudflare dashboard for errors
- Check cache hit rates
- Validate performance metrics
- Test with various pieces (wipe, line, video, etc.)

Long-term (After Validation Period) #

Cleanup old implementation (1 week after validation)
- Remove /system/netlify/functions/screenshot.js
- Remove Puppeteer from Netlify dependencies
- Update any remaining documentation

📊 Performance Comparison #

Before (Netlify Functions + Puppeteer) #

Cold start: ~15-20 seconds
File-based caching
Self-hosted Puppeteer
Limited concurrent execution

After (Cloudflare Workers + Browser Rendering API) #

Worker startup: 13ms ⚡
Cold browser start: ~8-10 seconds
Cached responses: < 1 second ✨
Browser reuse: ~3-5 seconds
Edge caching (24 hours)
Browser caching (1 hour)
Globally distributed
Automatic scaling

🔍 Implementation Details #

URL Construction Logic #

The worker matches the original screenshot.js behavior:

Icon requests:

/icon/128x128/prompt.png → https://aesthetic.computer/prompt?icon=128x128

Preview requests:

/preview/1200x630/prompt~wipe.png → https://aesthetic.computer/prompt~wipe?preview=1200x630

This ensures the aesthetic.computer client renders at the correct resolution.

Caching Strategy #

Browser Cache: 1 hour (Cache-Control: public, max-age=3600)
CDN Cache: 24 hours (Cloudflare edge)
Browser Session Reuse: Durable Objects keep browsers alive for 60 seconds

Error Handling #

Canvas detection with timeout
Browser crash recovery
Graceful fallback for unsupported resolutions
Detailed error logging

📝 Files Changed #

New Files #

/workspaces/aesthetic-computer/grab/ (entire directory)
- src/index.ts - Main worker implementation
- wrangler.toml - Worker configuration
- package.json - Dependencies
- scripts/deploy.fish - Deployment automation
- Documentation files (PLAN.md, README.md, DEV-SETUP.md, etc.)

Modified Files #

/workspaces/aesthetic-computer/system/public/aesthetic.computer/lib/parse.mjs
- Lines 487-494: Updated screenshot URLs to grab.aesthetic.computer
/workspaces/aesthetic-computer/system/netlify.toml
- Lines 285-290: Updated /preview/* redirect
- Lines 306-310: Updated /icon/* redirect

Files to Remove (After Validation) #

/workspaces/aesthetic-computer/system/netlify/functions/screenshot.js
Related Puppeteer dependencies in package.json

🎯 Success Criteria #

Worker deploys successfully
Screenshots generate correctly
Query parameters properly formatted
Integration with parse.mjs complete
Netlify redirects configured
Custom domain configured (pending manual setup)
Production testing validates og:images
No errors in Cloudflare dashboard
Performance meets or exceeds old implementation

📞 Support #

View logs:

cd /workspaces/aesthetic-computer/grab
npx wrangler tail

Check worker status:

npx wrangler deployments list

Test deployment:

./scripts/deploy.fish

Documentation:

Architecture: grab/README.md
Deployment: grab/DEPLOYMENT.md
Development: grab/DEV-SETUP.md
Migration: grab/MIGRATION.md