Bates Numbering in Rust — Automating Legal Document Stamping

All tests run on an 8-year-old MacBook Air. All results from shipping 7 Mac apps as a solo developer. No sponsored opinion. Bates numbering is sequential page stamping used in legal documents. Every page gets a unique identifier: CASE-001, CASE-002, etc. I built this into Hiyoko PDF Vault. Here's how it works in Rust. What Bates numbering actually is A Bates stamp is a text label added to a fixed position on each page — usually bottom-right or bottom-left. The label increments sequentially acros