chore: sync all changes to Gitea

- Config, docs, scripts, and backup manifests
- Submodule refs unchanged (m = modified content in submodules)

Made-with: Cursor

x402-api/package.json

@@ -0,0 +1,16 @@
+{
+  "name": "x402-api",
+  "version": "1.0.0",
+  "description": "Minimal x402-enabled API using thirdweb settlePayment; supports Chain 138 when a token has permit/ERC-3009.",
+  "type": "module",
+  "main": "src/index.js",
+  "scripts": {
+    "start": "node src/index.js",
+    "dev": "node --watch src/index.js"
+  },
+  "dependencies": {
+    "dotenv": "^16.4.5",
+    "express": "^4.21.0",
+    "thirdweb": "^5.0.0"
+  }
+}