Fix appendages parsing to handle multiple appendages

js/decoder.js

@@ -298,9 +298,86 @@ function decodeSimpleTag(label, tag, descriptions) {
     };
 }
 
+// Decode a single appendage
+function decodeSingleAppendage(appendage) {
+    const baseDescription = TAG_DESCRIPTIONS.appendages.base[appendage.baseType];
+
+    if (!baseDescription) {
+        return appendage.baseType;
+    }
+
+    // If no modifiers, return base description
+    if (!appendage.modifiers || appendage.modifiers.length === 0) {
+        return baseDescription;
+    }
+
+    // Check for modifier
+    const modifier = appendage.modifiers[0];
+    const modifierDescription = TAG_DESCRIPTIONS.appendages.modifiers[modifier];
+
+    if (modifierDescription) {
+        // Replace placeholders in modifier description
+        let value = modifierDescription;
+
+        // Determine singular and plural forms
+        let singular = baseDescription.toLowerCase().replace(/^a pair of /, '').replace(/^a /, '');
+        let plural = singular;
+
+        // Handle specific cases
+        if (singular === 'legs' || singular === 'wings' || singular === 'arms') {
+            // already plural
+        } else if (singular === 'head') {
+            plural = 'heads';
+            singular = 'head';
+        } else if (singular === 'tail') {
+            plural = 'tails';
+            singular = 'tail';
+        } else if (singular.endsWith('limbs')) {
+            plural = singular;
+            singular = singular.replace(/s$/, '');
+        }
+
+        value = value.replace(/{type}/g, singular);
+        value = value.replace(/{plural}/g, plural.charAt(0).toUpperCase() + plural.slice(1));
+
+        return value;
+    }
+
+    return baseDescription;
+}
+
 // Decode appendages
 function decodeAppendages(appendages) {
-    // Get base description
+    // Handle new multi-appendage structure
+    if (appendages.appendages && Array.isArray(appendages.appendages)) {
+        const decodedAppendages = appendages.appendages.map((app, index) => {
+            const decoded = decodeSingleAppendage(app);
+            // Lowercase the first letter for all items after the first
+            if (index > 0 && decoded) {
+                return decoded.charAt(0).toLowerCase() + decoded.slice(1);
+            }
+            return decoded;
+        });
+
+        // Combine with commas and "and"
+        let value;
+        if (decodedAppendages.length === 1) {
+            value = decodedAppendages[0];
+        } else if (decodedAppendages.length === 2) {
+            value = decodedAppendages.join(' and ');
+        } else {
+            const lastAppendage = decodedAppendages.pop();
+            value = decodedAppendages.join(', ') + ', and ' + lastAppendage;
+        }
+
+        return {
+            label: 'Appendages',
+            value: value,
+            tag: appendages.raw
+        };
+    }
+
+    // Legacy support for old structure
     const baseDescription = TAG_DESCRIPTIONS.appendages.base[appendages.baseType];
 
     if (!baseDescription) {