Update prompts for (better) results

src/components/plate-ui/ai-menu-items.tsx

@@ -142,7 +142,17 @@ Provide the improved version only, without explanations. Focus on:
     value: 'makeLonger',
     onSelect: ({ editor }) => {
       void editor.getApi(AIChatPlugin).aiChat.submit({
-        prompt: 'Make longer',
+        prompt: `Expand and elaborate on the following text while maintaining its style and tone:
+
+<Selection>
+{selection}
+</Selection>
+
+Provide the expanded version only, without explanations. Add:
+- More details
+- Supporting points
+- Relevant examples
+- Additional context`,
       });
     },
   },
@@ -152,7 +162,17 @@ Provide the improved version only, without explanations. Focus on:
     value: 'makeShorter',
     onSelect: ({ editor }) => {
       void editor.getApi(AIChatPlugin).aiChat.submit({
-        prompt: 'Make shorter',
+        prompt: `Condense the following text while preserving its key messages:
+
+<Selection>
+{selection}
+</Selection>
+
+Provide the shortened version only, without explanations. Focus on:
+- Core message
+- Essential details
+- Concise expression
+- Key points only`,
       });
     },
   },