//! imgx — image proxy and transform server. Module tree mirrors zimgx's
//! src/*.zig 1:1 for reviewability; see docs/INVARIANTS.md for the
//! behaviors that must survive the port.
//!
//! All `unsafe` is quarantined in the `imgx-vips` crate (the FFI/audit
//! boundary) — this crate forbids it entirely.