feat(ux): implement masonry dashboard layout and immersive focus mode

web/package.json

@@ -15,6 +15,7 @@
     "framer-motion": "^12.34.0",
     "react": "^19.2.0",
     "react-dom": "^19.2.0",
+    "react-masonry-css": "^1.0.16",
     "react-router-dom": "^7.13.0",
     "react-swipeable": "^7.0.2",
     "tailwindcss-animate": "^1.0.7",
@@ -42,7 +43,7 @@
   },
   "optionalDependencies": {
     "@rollup/rollup-linux-x64-musl": "^4.2.0",
-    "lightningcss-linux-x64-musl": "^1.27.0",
-    "@tailwindcss/oxide-linux-x64-musl": "^4.0.0"
+    "@tailwindcss/oxide-linux-x64-musl": "^4.0.0",
+    "lightningcss-linux-x64-musl": "^1.27.0"
   }
-}
+}