fix: only remove legacy rolldown-vite directory with --clean flag

Move the legacy directory cleanup inside the --clean guard so a normal
sync doesn't irreversibly delete the old checkout (which may contain
local branches or uncommitted work).

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: Boshen

packages/tools/src/sync-remote-deps.ts

@@ -636,13 +636,6 @@ export async function syncRemote() {
   // Get the root directory (assuming script is run from root)
   const rootDir = process.cwd();
 
-  // Clean up legacy 'rolldown-vite' directory (renamed to 'vite')
-  const legacyViteDir = join(rootDir, 'rolldown-vite');
-  if (existsSync(legacyViteDir)) {
-    rmSync(legacyViteDir, { recursive: true, force: true });
-    log('Removed legacy rolldown-vite directory');
-  }
-
   if (values.clean) {
     log('Cleaning existing repositories...');
     if (existsSync(join(rootDir, ROLLDOWN_DIR))) {
@@ -656,6 +649,12 @@ export async function syncRemote() {
       });
       log(`Removed ${VITE_DIR}`);
     }
+    // Clean up legacy 'rolldown-vite' directory (renamed to 'vite')
+    const legacyViteDir = join(rootDir, 'rolldown-vite');
+    if (existsSync(legacyViteDir)) {
+      rmSync(legacyViteDir, { recursive: true, force: true });
+      log('Removed legacy rolldown-vite directory');
+    }
   }
 
   // Clone or reset repos