conf 20260704

- Filtered log of core changes:
17b27e7 conf: Rename build file `conf` -> `.conf`
e3d7358 conf: Inline units/ into sys/systemd
ef57794 sw: [emacs] rebind "M-n" -> "M-t"
e1a4e80 sw: [bash] rename alias `clr` -> `c`
421fe52 sw: [bash] `exit` and `setsid` aliases

- Complete log between 20260702 and 20260704 (17b27e7):
17b27e7 conf: Rename build file `conf` -> `.conf`
e3d7358 conf: Inline units/ into sys/systemd
ef57794 sw: [emacs] rebind "M-n" -> "M-t"
e1a4e80 sw: [bash] rename alias `clr` -> `c`
421fe52 sw: [bash] `exit` and `setsid` aliases
337539d rel.sh: Add missing `sys` tag recognition