Cache available editor discovery

packages/server/package.json

@@ -63,8 +63,8 @@
     "@getpaseo/highlight": "0.1.60-beta.1",
     "@getpaseo/relay": "0.1.60-beta.1",
     "@isaacs/ttlcache": "^2.1.4",
-    "@modelcontextprotocol/sdk": "^1.20.1",
     "@mariozechner/pi-coding-agent": "^0.67.68",
+    "@modelcontextprotocol/sdk": "^1.20.1",
     "@opencode-ai/sdk": "1.2.6",
     "@sctg/sentencepiece-js": "^1.1.0",
     "@xterm/headless": "^6.0.0",
@@ -80,6 +80,7 @@
     "onnxruntime-node": "^1.23.0",
     "openai": "^4.20.0",
     "p-limit": "^7.3.0",
+    "p-memoize": "^8.0.0",
     "pino": "^10.2.0",
     "pino-pretty": "^13.1.3",
     "qrcode": "^1.5.4",