Rename two ops to follow the domain-prefix-first convention:
"Parse TR-31 Key Block" -> "TR-31 Parse Key Block"
"Parse TR-34 Key Transport" -> "TR-34 Parse Key Transport"
Sort all 33 Payments category entries alphabetically in Categories.json.
With domain-prefix names the prefixes cluster related ops naturally, so
alphabetical order is also logical order.
Update PAYMENT_RECIPES.md UI Arrangement section to document alphabetical
ordering. Fix stale lowercase references in AWS_PAYMENT_CRYPTOGRAPHY_RECIPES.md.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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