Fix: UI components and form logic updates

package.json

@@ -12,11 +12,13 @@
     "@hookform/resolvers": "^5.2.2",
     "@radix-ui/react-avatar": "^1.1.11",
     "@radix-ui/react-checkbox": "^1.3.3",
+    "@radix-ui/react-context-menu": "^2.2.16",
     "@radix-ui/react-dialog": "^1.1.15",
     "@radix-ui/react-dropdown-menu": "^2.1.16",
     "@radix-ui/react-label": "^2.1.8",
     "@radix-ui/react-popover": "^1.1.15",
     "@radix-ui/react-select": "^2.2.6",
+    "@radix-ui/react-separator": "^1.1.8",
     "@radix-ui/react-slot": "^1.2.4",
     "@supabase/ssr": "^0.8.0",
     "@supabase/supabase-js": "^2.86.0",
@@ -25,11 +27,13 @@
     "date-fns": "^2.30.0",
     "lucide-react": "^0.555.0",
     "next": "16.0.7",
+    "next-themes": "^0.4.6",
     "react": "19.2.0",
     "react-big-calendar": "^1.19.4",
     "react-day-picker": "^9.11.3",
     "react-dom": "19.2.0",
     "react-hook-form": "^7.67.0",
+    "sonner": "^2.0.7",
     "tailwind-merge": "^3.4.0",
     "zod": "^4.1.13"
   },