added other materials tab

src/lib/constants.ts

@@ -5,6 +5,7 @@ export const NAV_ITEMS = [
   { label: "Filaments", href: "/filaments", icon: "Cylinder" },
   { label: "Resins", href: "/resins", icon: "Droplets" },
   { label: "Paints", href: "/paints", icon: "Paintbrush" },
+  { label: "Supplies", href: "/supplies", icon: "Gem" },
   { label: "Vendors", href: "/vendors", icon: "Building2" },
   { label: "Locations", href: "/locations", icon: "MapPin" },
   { label: "Settings", href: "/settings", icon: "Settings" },
@@ -47,6 +48,32 @@ export const PAINT_FINISHES = [
   "Other",
 ] as const;
 
+export const SUPPLY_CATEGORIES = [
+  "Glitter",
+  "Alcohol Ink",
+  "Mica Powder",
+  "Pigment",
+  "Silicone",
+  "Resin Additive",
+  "Sanding/Polishing",
+  "Mold",
+  "Other",
+] as const;
+
+export const SUPPLY_UNITS = ["g", "ml", "sheets", "pieces", "oz"] as const;
+
+export const SUPPLY_CATEGORY_DEFAULTS: Record<string, { unit: string; totalAmount: number }> = {
+  "Glitter":           { unit: "g",      totalAmount: 50 },
+  "Alcohol Ink":       { unit: "ml",     totalAmount: 15 },
+  "Mica Powder":       { unit: "g",      totalAmount: 25 },
+  "Pigment":           { unit: "g",      totalAmount: 25 },
+  "Silicone":          { unit: "ml",     totalAmount: 500 },
+  "Resin Additive":    { unit: "ml",     totalAmount: 100 },
+  "Sanding/Polishing": { unit: "sheets", totalAmount: 10 },
+  "Mold":              { unit: "pieces", totalAmount: 1 },
+  "Other":             { unit: "g",      totalAmount: 100 },
+};
+
 export const CURRENCIES = ["USD", "EUR", "GBP", "CAD", "AUD", "JPY"] as const;
 
 export const UNITS = ["metric", "imperial"] as const;