Add Cortex Portal — web visualization for knowledge graph

Express API server wrapping existing store/graph core with REST endpoints
for nodes, edges, graph, and search. React + Vite portal with React Flow
for interactive graph visualization, Tailwind CSS styling, and full CRUD UI
(sidebar, node panel, add/link modals, search bar, toast notifications).

package.json

@@ -4,7 +4,8 @@
   "main": "index.js",
   "scripts": {
     "build": "tsc",
-    "dev": "tsc --watch"
+    "dev": "tsc --watch",
+    "serve": "node dist/server/index.js"
   },
   "keywords": [],
   "author": "",
@@ -17,10 +18,14 @@
     "better-sqlite3": "^12.6.2",
     "chalk": "^4.1.2",
     "commander": "^14.0.3",
+    "cors": "^2.8.6",
+    "express": "^5.2.1",
     "uuid": "^13.0.0"
   },
   "devDependencies": {
     "@types/better-sqlite3": "^7.6.13",
+    "@types/cors": "^2.8.19",
+    "@types/express": "^5.0.6",
     "@types/node": "^25.2.0",
     "@types/uuid": "^10.0.0",
     "typescript": "^5.9.3"