diff --git a/app/package.json b/app/package.json
index aa8eb5d..8a911f0 100644
--- a/app/package.json
+++ b/app/package.json
@@ -16,6 +16,7 @@
     "@codemirror/language": "^6.10.1",
     "@codemirror/legacy-modes": "6.4.0",
     "@codemirror/view": "6.29.0",
+    "zustand":"5.0.3",
     "@radix-ui/react-dialog": "^1.1.6",
     "@radix-ui/react-dropdown-menu": "^2.1.6",
     "@radix-ui/react-label": "^2.1.2",
diff --git a/app/pnpm-lock.yaml b/app/pnpm-lock.yaml
index 465439c..1d51e6d 100644
--- a/app/pnpm-lock.yaml
+++ b/app/pnpm-lock.yaml
@@ -92,6 +92,9 @@ importers:
       vite-plugin-static-copy:
         specifier: 2.3.0
         version: 2.3.0(vite@6.2.1(@types/node@20.17.24)(jiti@2.4.2)(lightningcss@1.29.2))
+      zustand:
+        specifier: 5.0.3
+        version: 5.0.3(@types/react@19.0.10)(react@19.0.0)
     devDependencies:
       '@types/node':
         specifier: ^20.8.2
@@ -1654,6 +1657,24 @@ packages:
   yallist@3.1.1:
     resolution: {integrity: sha512-a4UGQaWPH59mOXUYnAG2ewncQS4i4F43Tv3JoAM+s2VDAmS9NsK8GpDMLrCHPksFT7h3K6TOoUNn2pb7RoXx4g==}
 
+  zustand@5.0.3:
+    resolution: {integrity: sha512-14fwWQtU3pH4dE0dOpdMiWjddcH+QzKIgk1cl8epwSE7yag43k/AD/m4L6+K7DytAOr9gGBe3/EXj9g7cdostg==}
+    engines: {node: '>=12.20.0'}
+    peerDependencies:
+      '@types/react': '>=18.0.0'
+      immer: '>=9.0.6'
+      react: '>=18.0.0'
+      use-sync-external-store: '>=1.2.0'
+    peerDependenciesMeta:
+      '@types/react':
+        optional: true
+      immer:
+        optional: true
+      react:
+        optional: true
+      use-sync-external-store:
+        optional: true
+
 snapshots:
 
   '@ampproject/remapping@2.3.0':
@@ -3089,3 +3110,8 @@ snapshots:
   w3c-keyname@2.2.8: {}
 
   yallist@3.1.1: {}
+
+  zustand@5.0.3(@types/react@19.0.10)(react@19.0.0):
+    optionalDependencies:
+      '@types/react': 19.0.10
+      react: 19.0.0