feat: implement __rand_string generator and update jobrunner to use tmux

completions/__rand_string.fish

@@ -0,0 +1,20 @@
+# Copyright (C) 2026 Rootiest
+# SPDX-License-Identifier: AGPL-3.0-or-later
+
+complete -c __rand_string -f
+
+complete -c __rand_string -s s -l separator -x -a 'dash underscore dot none' -d 'Set separator for following words'
+complete -c __rand_string -s c -l case -x -a 'lower upper title' -d 'Set casing for following words'
+
+# List of all available lists in data/words
+set -l categories
+if set -q __fish_config_dir
+    set categories (string replace -r '\.txt$' '' (command ls $__fish_config_dir/data/words/*.txt 2>/dev/null | command xargs -n 1 basename 2>/dev/null))
+end
+
+for cat in $categories
+    complete -c __rand_string -a "$cat" -d "Pick a random word from the $cat list"
+end
+
+complete -c __rand_string -a 'digits=' -d 'Generate N random digits (e.g. digits=3)'
+complete -c __rand_string -a 'literal=' -d 'Insert a literal string exactly as provided'

completions/jobrunner.fish

@@ -6,7 +6,25 @@
 
 # Offer running jobs as name<TAB>description pairs.
 function __jobrunner_complete_jobs
-    for row in (__jobrunner_sessions)
+    set -l tool ""
+    set -l tokens (commandline -opc)
+    set -l idx 1
+    while test $idx -le (count $tokens)
+        switch $tokens[$idx]
+            case -t --tool
+                set idx (math $idx + 1)
+                if test $idx -le (count $tokens)
+                    set tool $tokens[$idx]
+                end
+            case '--tool=*'
+                set tool (string replace -- "--tool=" "" $tokens[$idx])
+            case '-t*'
+                set tool (string replace -r "^-t" "" $tokens[$idx])
+        end
+        set idx (math $idx + 1)
+    end
+
+    for row in (__jobrunner_sessions $tool)
         set -l f (string split \t -- $row)
         printf '%s\t%s job (PID %s)\n' $f[1] $f[3] $f[2]
     end
@@ -18,6 +36,10 @@ set -l needs_job "__fish_seen_subcommand_from attach kill logs -a --attach -k --
 # No file completions; jobs are named, not paths.
 complete -c jobrunner -f
 
+# Backend tool selection flag.
+complete -c jobrunner -n "not __fish_seen_subcommand_from $subcmds" \
+    -s t -l tool -x -a "tmux screen" -d 'Force specific backend'
+
 # Subcommands (only as the first argument).
 complete -c jobrunner -n "not __fish_seen_subcommand_from $subcmds" \
     -a run -d 'Start a named job in the background'