docs(glossary): Use {toolref} for send_keys in SIGINT/SIGQUIT definitions

why: {ref} renders as plain text. {toolref} renders as code-formatted
linked text, matching how tool names appear elsewhere in the docs.

Author: tony

docs/glossary.md

@@ -35,8 +35,8 @@ Socket
     The Unix socket used to communicate with a tmux server. Can be specified by name (`-L`) or path (`-S`).
 
 SIGINT
-    Interrupt signal (Ctrl-C). Sent via {ref}`send-keys` with `keys: "C-c"` and `enter: false`. Most processes terminate gracefully on SIGINT.
+    Interrupt signal (Ctrl-C). Sent via {toolref}`send-keys` with `keys: "C-c"` and `enter: false`. Most processes terminate gracefully on SIGINT.
 
 SIGQUIT
-    Quit signal (Ctrl-\\). Sent via {ref}`send-keys` with `keys: "C-\\"` and `enter: false`. Stronger than {term}`SIGINT` — may produce a core dump on Unix. Use as an escalation when SIGINT is ignored.
+    Quit signal (Ctrl-\\). Sent via {toolref}`send-keys` with `keys: "C-\\"` and `enter: false`. Stronger than {term}`SIGINT` — may produce a core dump on Unix. Use as an escalation when SIGINT is ignored.
 ```