import base64, os

# Minimal 1x1 white PNG
PNG_1x1 = base64.b64decode(
    'iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mP8/5+hHgAHggJ/PchI6QAAAABJRU5ErkJggg=='
)

for size in [16, 48, 128]:
    with open(f'meet_extension/icon{size}.png', 'wb') as f:
        f.write(PNG_1x1)
    print(f'  Created icon{size}.png (placeholder)')