feat(API-11): Route API calls through AgilitonAPI gateway

Add gateway-first pattern: when AGILITON_API_KEY is set, route all
external API calls through the gateway with X-API-Key auth. Falls back
to direct API access when gateway is unavailable.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

node_modules/wrappy/package.json

@@ -0,0 +1,29 @@
+{
+  "name": "wrappy",
+  "version": "1.0.2",
+  "description": "Callback wrapping utility",
+  "main": "wrappy.js",
+  "files": [
+    "wrappy.js"
+  ],
+  "directories": {
+    "test": "test"
+  },
+  "dependencies": {},
+  "devDependencies": {
+    "tap": "^2.3.1"
+  },
+  "scripts": {
+    "test": "tap --coverage test/*.js"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/npm/wrappy"
+  },
+  "author": "Isaac Z. Schlueter <i@izs.me> (http://blog.izs.me/)",
+  "license": "ISC",
+  "bugs": {
+    "url": "https://github.com/npm/wrappy/issues"
+  },
+  "homepage": "https://github.com/npm/wrappy"
+}