feat(config): add television cable integration and related keybindings across shells

dot_config/zsh/keybinds.zsh

@@ -8,6 +8,8 @@ unsetopt flow_control # free ^Q/^S in zle so the ctrl-q exit bind fires
 # Generic runner: widget `run-<cmd>` executes <cmd> (function or binary) with
 # the tty as stdin, then repaints — fish's `commandline -f repaint`.
 # cwd changes from gho/yy persist: widgets run in the shell process.
+# gho, pj and `tv git-files` open television cables (~/.config/television/
+# cable) — the same keys do the same in fish and bash.
 _zle-run() {
     local cmd=${WIDGET#run-}
     zle -I
@@ -19,17 +21,39 @@ for _cmd in purple clip-last gho pj omp yy lazygit; do
 done
 unset _cmd
 
-# ctrl-e: yazi, same as ctrl-f (cd's to yazi's exit dir on quit).
-bindkey '^E' run-yy
+# ctrl-e: tv git-files (bat preview, enter opens nvim).
+_zle-tv-git-files() {
+    zle -I
+    tv git-files </dev/tty
+    zle reset-prompt
+}
+zle -N tv-git-files _zle-tv-git-files
+bindkey '^E' tv-git-files
 bindkey '^B' run-purple
 bindkey '^Y' run-clip-last
 bindkey '^O' run-gho
 bindkey '^P' run-pj
 bindkey '^A' run-omp
-# ctrl-f: pick file(s) and open in nvim; yy also cd's to yazi's exit dir.
+# ctrl-f: yazi; yy cd's to yazi's exit dir on quit.
 bindkey '^F' run-yy
 bindkey '^G' run-lazygit
 
+# down: the pj cable on an idle, empty prompt; otherwise normal history /
+# multiline movement (fish's _pj_bind_down). PJ_QUIET makes it a silent no-op
+# outside projects.
+_zle-pj-down() {
+    if [[ -n $BUFFER ]]; then
+        zle down-line-or-history
+        return
+    fi
+    zle -I
+    PJ_QUIET=1 pj </dev/tty
+    zle reset-prompt
+}
+zle -N pj-down _zle-pj-down
+bindkey '^[[B' pj-down
+bindkey '^[OB' pj-down
+
 # ctrl-q mirrors ctrl-d's preset (`exit`) — quit the shell.
 _zle-exit() { exit }
 zle -N _zle-exit