feat: add send file function

ui/pnpm-lock.yaml

@@ -32,6 +32,9 @@ importers:
       lucide-react:
         specifier: ^1.46.0
         version: 1.46.0([email protected])
+      nanoid:
+        specifier: ^6.0.1
+        version: 6.0.1
       react:
         specifier: ^19.2.8
         version: 19.3.0
@@ -1488,6 +1491,11 @@ packages:
     engines: {node: ^10 || ^12 || ^13.7 || ^14 || >=15.0.1}
     hasBin: true
 
+  [email protected]:
+    resolution: {integrity: sha512-3wVS3i51pE2pi1k5FFL/95BGfVS0kSsvDVuGXHOtxox/TywUmtgq+3qiTOTbs9J7KfHaXPiN171k/A6dBnaXFw==}
+    engines: {node: ^22 || ^24 || >=26}
+    hasBin: true
+
   [email protected]:
     resolution: {integrity: sha512-NMPBRMJgiQHjbd8phG3Vebdx4kZ1H121rbl5IkMqeOsahptB9BKo/d7oJ3zTXqTgagn2bWlNSXkh0QUGM31RYg==}
     engines: {node: '>=18'}
@@ -3216,6 +3224,8 @@ snapshots:
 
   [email protected]: {}
 
+  [email protected]: {}
+
   [email protected]:
     dependencies:
       content-type: 2.1.0