frontend: add MagicUI dock component

- Install dock component via shadcn
- Fix import path from motion/react to framer-motion

frontend/package-lock.json

@@ -14,6 +14,7 @@
         "framer-motion": "^12.38.0",
         "jose": "^6.2.2",
         "lucide-react": "^1.8.0",
+        "motion": "^12.38.0",
         "next": "16.2.4",
         "next-auth": "^5.0.0-beta.31",
         "react": "19.2.4",
@@ -6531,6 +6532,31 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/motion": {
+      "version": "12.38.0",
+      "resolved": "https://registry.npmjs.org/motion/-/motion-12.38.0.tgz",
+      "integrity": "sha512-uYfXzeHlgThchzwz5Te47dlv5JOUC7OB4rjJ/7XTUgtBZD8CchMN8qEJ4ZVsUmTyYA44zjV0fBwsiktRuFnn+w==",
+      "dependencies": {
+        "framer-motion": "^12.38.0",
+        "tslib": "^2.4.0"
+      },
+      "peerDependencies": {
+        "@emotion/is-prop-valid": "*",
+        "react": "^18.0.0 || ^19.0.0",
+        "react-dom": "^18.0.0 || ^19.0.0"
+      },
+      "peerDependenciesMeta": {
+        "@emotion/is-prop-valid": {
+          "optional": true
+        },
+        "react": {
+          "optional": true
+        },
+        "react-dom": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/motion-dom": {
       "version": "12.38.0",
       "resolved": "https://registry.npmjs.org/motion-dom/-/motion-dom-12.38.0.tgz",