the hourly rate is not being saved

src/app/admin/layout.tsx

@@ -53,6 +53,12 @@ export default function AdminLayout({
                     Email
                   </SidebarMenuSubButton>
                 </SidebarMenuSubItem>
+                <SidebarMenuSubItem>
+                  <SidebarMenuSubButton href="/admin/settings/hourly-rate" >
+                    <Settings />
+                    Hourly Rate
+                  </SidebarMenuSubButton>
+                </SidebarMenuSubItem>
               </SidebarMenuSub>
             </SidebarMenuItem>
           </SidebarMenu>

src/app/admin/settings/hourly-rate/page.tsx

@@ -0,0 +1,71 @@
+"use client";
+
+import { useEffect, useState, useTransition } from 'react';
+import { Card, CardContent, CardHeader, CardTitle, CardDescription } from "@/components/ui/card";
+import { Label } from "@/components/ui/label";
+import { Input } from "@/components/ui/input";
+import { Button } from "@/components/ui/button";
+import { useToast } from "@/hooks/use-toast";
+import { getSetting, setSetting } from '@/lib/actions/settings';
+
+const HourlyRateSettingsPage = () => {
+  const { toast } = useToast();
+  const [hourlyRate, setHourlyRate] = useState('');
+  const [isPending, startTransition] = useTransition();
+
+  useEffect(() => {
+    async function fetchHourlyRate() {
+      const rate = await getSetting('hourly_rate');
+      if (rate) {
+        setHourlyRate(rate);
+      }
+    }
+    fetchHourlyRate();
+  }, []);
+
+  const handleSubmit = (event: React.FormEvent<HTMLFormElement>) => {
+    event.preventDefault();
+    startTransition(async () => {
+      try {
+        await setSetting('hourly_rate', hourlyRate);
+        toast({ title: "Hourly Rate Saved", description: "The hourly rate has been updated successfully." });
+      } catch (error) {
+        console.error("Failed to save hourly rate:", error);
+        toast({ title: "Error", description: "Failed to save hourly rate.", variant: "destructive" });
+      }
+    });
+  };
+
+  return (
+    <Card className="max-w-2xl">
+      <CardHeader>
+        <CardTitle>Hourly Rate Settings</CardTitle>
+        <CardDescription>
+          Set the default hourly rate used for project estimations.
+        </CardDescription>
+      </CardHeader>
+      <CardContent>
+        <form onSubmit={handleSubmit} className="flex flex-col gap-4">
+          <div className="flex flex-col gap-2">
+            <Label htmlFor="hourlyRate">Hourly Rate ($)</Label>
+            <Input
+              id="hourlyRate"
+              name="hourlyRate"
+              type="number"
+              step="0.01"
+              placeholder="e.g., 100.00"
+              value={hourlyRate}
+              onChange={(e) => setHourlyRate(e.target.value)}
+              required
+            />
+          </div>
+          <Button type="submit" className="self-start" disabled={isPending}>
+            {isPending ? 'Saving...' : 'Save Hourly Rate'}
+          </Button>
+        </form>
+      </CardContent>
+    </Card>
+  );
+};
+
+export default HourlyRateSettingsPage;