LinkSpin test area: InstantAdPay engine fork rebranded, network registry, sponsor carry-over with engine activation and claim window, rotator with /r/ redirects, link-domain mini-sites

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

package.json

@@ -0,0 +1,23 @@
+{
+  "name": "linkspin-site",
+  "version": "0.1.0",
+  "private": true,
+  "description": "LinkSpin membership advertising site - immutable on-chain settlement, transparent ledger.",
+  "main": "server.js",
+  "scripts": {
+    "start": "node server.js",
+    "dev": "node --watch server.js",
+    "qa": "bash qa/run.sh all",
+    "qa:public": "bash qa/run.sh public",
+    "qa:member": "bash qa/run.sh member",
+    "qa:earn": "bash qa/run.sh earn"
+  },
+  "engines": {
+    "node": ">=20"
+  },
+  "dependencies": {
+    "mysql2": "^3.11.0",
+    "qrcode": "^1.5.4",
+    "ethers": "^6.13.0"
+  }
+}