feat: graph browser

frontend/package.json

@@ -18,15 +18,17 @@
     "@codemirror/search": "^6.6.0",
     "@codemirror/state": "^6.6.0",
     "@codemirror/view": "^6.40.0",
-    "@cosmos.gl/graph": "^2.6.4",
     "@dagrejs/dagre": "^3.0.0",
     "@fontsource-variable/geist": "^5.2.8",
     "@fontsource-variable/jetbrains-mono": "^5.2.8",
+    "@sigma/node-square": "^3.0.0",
     "@tailwindcss/vite": "^4.2.2",
     "@xyflow/react": "^12.10.2",
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",
     "dompurify": "^3.3.3",
+    "graphology": "^0.26.0",
+    "graphology-layout-force": "^0.2.4",
     "lucide-react": "^1.7.0",
     "micron-parser": "^1.0.3",
     "next-themes": "^0.4.6",
@@ -35,6 +37,7 @@
     "react-resizable-panels": "^4.8.0",
     "react-router-dom": "^7.13.2",
     "shadcn": "^4.1.1",
+    "sigma": "^3.0.2",
     "sonner": "^2.0.7",
     "tailwind-merge": "^3.5.0",
     "tailwindcss": "^4.2.2",