Weihang Lo a5c8b96f82
fix: use host-tuple for host target subsitution
The "host" string is ambiguous

* We have `-Zhost-config` that config `[host]` table applies to
  artifacts running on host, such as build scripts and proc macros.
* `host` sounds like the default behavior, whereas `--target host`
  is in the cross-compilation mode: `target/<triple>/debug`.
* We might want to reserve `host` for future use
2025-09-23 20:08:28 -04:00
..