feat(ui): renk paleti, ikonlar, MoneyInput ve navigasyon

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

src/shared/appearance.ts

@@ -0,0 +1,71 @@
+/**
+ * Kullanıcı verisindeki renk ve ikonlar anahtar olarak saklanır (sabit renk kodu yok).
+ * Renkler globals.css'teki --swatch-* değişkenlerine, ikonlar lucide bileşenlerine eşlenir.
+ */
+export const SWATCHES = [
+  "blue",
+  "sky",
+  "teal",
+  "green",
+  "lime",
+  "amber",
+  "orange",
+  "red",
+  "rose",
+  "pink",
+  "purple",
+  "indigo",
+  "slate",
+] as const;
+export type Swatch = (typeof SWATCHES)[number];
+
+export const ICON_KEYS = [
+  "wallet",
+  "banknote",
+  "landmark",
+  "piggy-bank",
+  "credit-card",
+  "utensils",
+  "shopping-cart",
+  "shopping-basket",
+  "receipt",
+  "zap",
+  "droplet",
+  "flame",
+  "wifi",
+  "smartphone",
+  "house",
+  "building",
+  "car",
+  "fuel",
+  "bus",
+  "train",
+  "heart-pulse",
+  "pill",
+  "graduation-cap",
+  "book",
+  "shirt",
+  "gamepad",
+  "film",
+  "music",
+  "coffee",
+  "plane",
+  "gift",
+  "baby",
+  "paw-print",
+  "wrench",
+  "sofa",
+  "repeat",
+  "briefcase",
+  "trending-up",
+  "coins",
+  "percent",
+  "undo",
+  "sparkles",
+  "spray-can",
+  "scissors",
+  "dumbbell",
+  "tag",
+  "circle-ellipsis",
+] as const;
+export type IconKey = (typeof ICON_KEYS)[number];