- Prevent object URL leaks in image-classification-form by revoking previous preview URL before replacing it, revoking after successful submit, and revoking on component unmount
- Improve preview image alt text from generic "Preview" to descriptive Indonesian text "Pratinjau gambar daun jagung untuk diagnosis"
- Use auth store setter consistently in dashboard-page logout instead of direct setState call
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
