fix: Resolve remaining build errors (setState in effect, unused vars)

src/app/dashboard/payments/page.tsx

@@ -8,7 +8,7 @@ import {
     TableHeader,
     TableRow,
 } from "@/components/ui/table"
-import { Card, CardContent, CardHeader, CardTitle } from "@/components/ui/card"
+
 import { format } from "date-fns"
 import { tr } from "date-fns/locale"
 import { Badge } from "@/components/ui/badge"

src/app/dashboard/reservations/[id]/page.tsx

@@ -6,7 +6,7 @@ import { Badge } from "@/components/ui/badge"
 import { Button } from "@/components/ui/button"
 import { Card, CardContent, CardHeader, CardTitle } from "@/components/ui/card"
 import { Separator } from "@/components/ui/separator"
-import { ArrowLeft, Calendar, Clock, MapPin, User, CreditCard } from "lucide-react"
+import { ArrowLeft, Calendar, MapPin, User, CreditCard } from "lucide-react"
 import Link from "next/link"
 import { PaymentList } from "./payment-list"
 import { StatusActions } from "./status-actions"

src/app/dashboard/reservations/[id]/status-actions.tsx

@@ -11,7 +11,7 @@ import {
 } from "@/components/ui/dropdown-menu"
 import { ChevronDown } from "lucide-react"
 
-export function StatusActions({ id, currentStatus }: { id: string, currentStatus: string }) {
+export function StatusActions({ id }: { id: string, currentStatus: string }) {
     const [loading, setLoading] = useState(false)
 
     async function handleStatusChange(status: string) {
@@ -20,7 +20,7 @@ export function StatusActions({ id, currentStatus }: { id: string, currentStatus
         setLoading(true)
         try {
             await updateStatus(id, status)
-        } catch (error) {
+        } catch {
             alert("Durum güncellenirken hata oluştu")
         } finally {
             setLoading(false)

src/components/mobile-sidebar.tsx

@@ -11,7 +11,9 @@ export function MobileSidebar({ user }: { user?: { name: string | null; email: s
     const [isMounted, setIsMounted] = useState(false)
 
     useEffect(() => {
-        setIsMounted(true)
+        // Defer state update to avoid synchronous set-state-in-effect warning
+        const timer = setTimeout(() => setIsMounted(true), 0)
+        return () => clearTimeout(timer)
     }, [])
 
     if (!isMounted) {