feat(ui): birikim sayfası, varlık detayı ve hareket diyalogları

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/components/layout/nav-config.ts

@@ -27,7 +27,7 @@ export type NavItem = {
 
 /** Şu an tamamlanmış en yüksek faz — sayfalar eklendikçe artar. */
 /** Alt fazlar ondalıkla: 6.1 = Faz 6a. */
-export const CURRENT_PHASE = 8.2;
+export const CURRENT_PHASE = 9.1;
 
 export const isAvailable = (item: NavItem) => item.phase <= CURRENT_PHASE;
 
@@ -38,7 +38,7 @@ export const MAIN_NAV: NavItem[] = [
   { href: "/kategoriler", label: tr.nav.categories, icon: Tags, phase: 6.1 },
   { href: "/planli", label: tr.nav.planned, icon: CalendarClock, phase: 7.1 },
   { href: "/cari", label: tr.nav.contacts, icon: Users, phase: 8.1 },
-  { href: "/birikim", label: tr.nav.savings, icon: Coins, phase: 9 },
+  { href: "/birikim", label: tr.nav.savings, icon: Coins, phase: 9.1 },
   { href: "/butce", label: tr.nav.budget, icon: Target, phase: 10 },
   { href: "/stok", label: tr.nav.stock, icon: Package, phase: 11 },
   { href: "/alisveris", label: tr.nav.shopping, icon: ShoppingCart, phase: 13 },