change name from excel-ai to probly

package.json

@@ -1,5 +1,5 @@
 {
-  "name": "excel-ai",
+  "name": "probly",
   "version": "0.1.0",
   "private": true,
   "scripts": {

src/app/page.tsx

@@ -265,7 +265,7 @@ const SpreadsheetApp = () => {
       {/* Title bar */}
       <div className="h-10 border-b border-gray-200 bg-white flex items-center justify-between px-4">
         <div className="text-sm font-medium text-gray-600">
-          Magic Spreadsheet
+          Probly
         </div>
         <div className="flex items-center gap-2"></div>
       </div>

src/components/ChatBox.tsx

@@ -70,7 +70,7 @@ const ChatBox = ({
       {/* Header */}
       <div className="px-4 py-3 border-b border-gray-200 flex justify-between items-center bg-white z-10">
         <div>
-          <h2 className="font-semibold text-gray-800">AI Assistant</h2>
+          <h2 className="font-semibold text-gray-800">Probly</h2>
           <p className="text-xs text-gray-500">
             Ask me about spreadsheet formulas
           </p>

src/components/Spreadsheet.tsx

@@ -302,7 +302,7 @@ const Spreadsheet = forwardRef<SpreadsheetRef, SpreadsheetProps>(
                 </div>
               ) : (
                 <div className="text-xs text-gray-500 py-2">
-                  No charts available. Create a chart using the AI assistant.
+                  No charts available, ask Probly to create one.
                 </div>
               )}
             </div>