feat: [DSR+DSRN] Migrate Textarea component from extension #1036

Bugbot Review

Bugbot Analysis Progress (11m 22s elapsed)

✅ Gathered PR context (2s)
✅ Completed bug detection (11m 16s)
✅ Posted analysis results (4s)

Final Result: Bugbot completed review and found 2 potential issues.

Request ID: serverGenReqId_874ae8a1-33ce-48dd-89c7-4f2e3c7f2aab

Cursor Bugbot has reviewed your changes and found 2 potential issues.

^{Bugbot Autofix is ON. A cloud agent has been kicked off to fix the reported issues.}