chore(token/sell): add ~ to fee amount if not whole

Signed-off-by: Brandon McAnsh <[email protected]>

Author: bmc08gt

apps/flipcash/features/tokens/src/main/kotlin/com/flipcash/app/tokens/internal/TokenSellReceiptScreen.kt

@@ -156,7 +156,9 @@ private fun SellReceipt(
                 ReceiptLineItem(
                     modifier = Modifier.fillMaxWidth(),
                     label = "${fee.roundToInt()}% Fee",
-                    amount = feeAmount.formatted(),
+                    amount = feeAmount.formatted(
+                        extraPrefix = if (feeAmount.decimalValue != 1.0) "~" else null,
+                    ),
                 )
             }
         }

services/opencode/src/main/kotlin/com/getcode/opencode/model/financial/Fiat.kt

@@ -73,6 +73,7 @@ data class Fiat(
     fun formatted(
         rule: FormattingRule = FormattingRule.None,
         showPrefix: Boolean = true,
+        extraPrefix: String? = null,
         includeCommas: Boolean = true,
     ): String {
         val shouldTruncate = if (rule is FormattingRule.Truncated) {
@@ -103,8 +104,14 @@ data class Fiat(
                 .takeIf { showPrefix }
                 .orEmpty()
 
-            positivePrefix = prefix
-            negativePrefix = prefix
+            val fullPrefix = if (extraPrefix != null) {
+                "$extraPrefix $prefix"
+            } else {
+                prefix
+            }
+
+            positivePrefix = fullPrefix
+            negativePrefix = fullPrefix
             isGroupingUsed = includeCommas
         }