fix: prevent duplicate uploads and group asset commits

components/UploadZone.tsx

@@ -35,6 +35,8 @@ export default function UploadZone() {
 
   const {
     isUploading,
+    isChecking,
+    isResolvingDriveError,
     globalError,
     setGlobalError,
     overwriteConfirm,
@@ -43,6 +45,7 @@ export default function UploadZone() {
     setNoChangesFolder,
     driveError,
     handleUpload,
+    handleOverwriteCancel,
     handleDriveContinue,
     handleDriveCancel,
     handleCancel,
@@ -93,7 +96,7 @@ export default function UploadZone() {
         secret={secret}
         secretVisible={secretVisible}
         secretError={secretError}
-        disabled={isUploading}
+        disabled={isUploading || isChecking}
         onChange={handleSecretChange}
         onToggleVisible={toggleSecretVisible}
       />
@@ -101,7 +104,7 @@ export default function UploadZone() {
       {entries.length === 0 && (
         <div>
           <FolderDropzone
-            isUploading={isUploading}
+            isUploading={isUploading || isChecking}
             onFolderSelected={handleFolderSelected}
             onError={setGlobalError}
           />
@@ -128,6 +131,7 @@ export default function UploadZone() {
 
       <ActionButtons
         isUploading={isUploading}
+        isChecking={isChecking}
         isSecretEmpty={isSecretEmpty}
         hasPendingOrErrors={hasPendingOrErrors}
         allDone={allDone}
@@ -141,8 +145,9 @@ export default function UploadZone() {
         <OverwriteConfirmModal
           folderName={overwriteConfirm.folderName}
           diffs={overwriteConfirm.diffs}
-          onCancel={() => setOverwriteConfirm(null)}
+          onCancel={handleOverwriteCancel}
           onConfirm={proceedUpload}
+          disabled={isUploading || isChecking || isResolvingDriveError}
         />
       )}
 
@@ -162,6 +167,7 @@ export default function UploadZone() {
           error={driveError.error}
           onCancel={handleDriveCancel}
           onContinue={handleDriveContinue}
+          disabled={isResolvingDriveError}
         />
       )}
     </div>