Extend commit workflow to Describe and Freeform modes

All text-output modes (plain_ocr, describe, freeform) now show the
full-screen editable result view with metadata fields and Commit Job
button. The textarea label reflects the active mode.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

frontend/src/App.jsx

@@ -47,8 +47,11 @@ function App() {
   const [commitLoading, setCommitLoading] = useState(false)
   const [commitResult, setCommitResult] = useState(null)
 
+  // Modes that produce editable text output and can be committed to the DB
+  const COMMITTABLE_MODES = new Set(['plain_ocr', 'describe', 'freeform'])
+
   // Whether to show the full-screen result view
-  const showResultView = view === 'new_job' && mode === 'plain_ocr' && !!result
+  const showResultView = view === 'new_job' && COMMITTABLE_MODES.has(mode) && !!result
 
   const handleFileTypeChange = useCallback((newType) => {
     setImage(null)
@@ -258,7 +261,8 @@ function App() {
                 )}
                 <div className="glass rounded-2xl p-4 flex flex-col h-full">
                   <p className="text-xs text-gray-400 mb-2 flex-shrink-0">
-                    OCR Text <span className="text-purple-400">(edit before committing)</span>
+                    {{ plain_ocr: 'OCR Text', describe: 'Description', freeform: 'Result' }[mode] || 'Result'}
+                    <span className="text-purple-400 ml-1">(edit before committing)</span>
                   </p>
                   <textarea
                     value={editedOcrText}