Support decimal rupee prices (paise after the point)

PB number fields are float64 with onlyInt unset, so storage already
accepted decimals — verified 449.5 round-trips via API with no migration.
Cards now format fractional prices as ₹449.50 (whole rupees stay ₹449);
docs and type comments updated.

README.md

@@ -174,7 +174,8 @@ new) and touches nothing else.
 - `name` / `variant` — variants are **separate products** whenever their price differs
   ("Penne Arrabiata" + variant "Veg" ₹589 / "Chicken" ₹639); the POS can group by `name`
 - `description`
-- `price` — number, whole rupees (449 = ₹449)
+- `price` — number, rupees with optional paise after the decimal point
+  (449 = ₹449, 449.5 = ₹449.50)
 - `diet` — select: `veg` / `nonveg` / `mixed` (a bool can't be null in PocketBase, so mixed
   items like Caesar Salad use `mixed`; the site renders no badge for it)
 - `pairing` — optional beer pairing

app/src/components/menu-browser.tsx

@@ -62,6 +62,11 @@ export function MenuBrowser({
   )
 }
 
+/** ₹449 for whole rupees, ₹449.50 when paise are set. */
+function formatPrice(price: number): string {
+  return Number.isInteger(price) ? String(price) : price.toFixed(2)
+}
+
 function MenuCard({ item }: { item: MenuItem }) {
   const icon = CATEGORY_ICONS[item.category] ?? 'restaurant'
   const showFooter = Boolean(item.pairing || item.tag)
@@ -93,7 +98,9 @@ function MenuCard({ item }: { item: MenuItem }) {
                 <span className="text-on-surface-variant"> – {item.variant}</span>
               ) : null}
             </h3>
-            <span className="shrink-0 font-headline-md text-primary">₹{item.price}</span>
+            <span className="shrink-0 font-headline-md text-primary">
+              ₹{formatPrice(item.price)}
+            </span>
           </div>
           {item.description ? (
             <p className="text-body-md text-on-surface-variant">{item.description}</p>

app/src/data/menu-data.mjs

@@ -10,7 +10,8 @@
  * - Variants are separate products whenever their price differs
  *   ("Penne Arrabiata" + variant "Veg" 589 / "Chicken" 639).
  * - Same-price choice lists (flavours, sauces) stay on one item in `tag`.
- * - price: number, whole rupees (449 = ₹449).
+ * - price: number, rupees with optional paise after the decimal point
+ *   (449 = ₹449, 449.5 = ₹449.50).
  * - diet: 'veg' | 'nonveg' | 'mixed' (PB bools can't be null, so a select is used).
  * - sku: stable GB-<CAT>-<NNN> code for POS mapping.
  * - tax_category: default "food-5-gst" — adjust per item if the POS needs it.

app/src/lib/types.ts

@@ -73,7 +73,7 @@ export interface MenuItem {
   /** "Veg", "Chicken", "Basa", "Half"… — same dish, different product. */
   variant?: string
   description?: string
-  /** Whole rupees (449 = ₹449). */
+  /** Rupees as a decimal number; paise after the point (449.5 = ₹449.50). */
   price: number
   /** Dietary status; 'mixed' items (e.g. Caesar Salad) get no badge. */
   diet?: 'veg' | 'nonveg' | 'mixed'