chore: add Cloudflare keep-alive worker for Render

[ThuanNg05]

Summary

• Add a Cloudflare Workers Cron Trigger that calls Render production /health/live every 10 minutes.
• Keep the keep-alive scope limited to Render health traffic; it does not touch WooCommerce webhooks, Supabase Database, or the WPF localhost API.
• Ignore Wrangler local state so account metadata is not committed.

Verification

• GET https://warehouse-api-dpx7.onrender.com/health/live returned HTTP 200 with {"status":"alive"}.
• node --check cloudflare/render-keepalive/src/index.js passed.
• git diff --check passed.

Deployment

After merging, deploy from cloudflare/render-keepalive with npx wrangler login, npx wrangler secret put RENDER_API_URL, and npx wrangler deploy.

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Project	Deployment	Actions	Updated (UTC)
e-commerce	Ready	Preview	Aug 21, 2026 2:20am

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