* update qr-server w/ python sdk fix
* feat(qr-server): use Python SDK meta parameter for resource CSP metadata
- Update qr-server to use the new meta parameter on @mcp.resource decorator
instead of manually overriding the read_resource handler
- Add ui.resourceUri to tool meta alongside legacy ui/resourceUri for forward compatibility
- Simplify server.py by removing the custom _read_resource_with_meta handler
- Add qr-server to grid screenshot generation tests
- Update grid-cell.png screenshot
This leverages the Python SDK's native support for resource metadata,
eliminating the need for low-level handler manipulation.
Co-Authored-By: Claude <noreply@anthropic.com>
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Co-authored-by: Claude <noreply@anthropic.com>
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