config(fish): add fish completions for cli tools

dot_config/fish/functions/fish_user_key_bindings.fish

@@ -0,0 +1,24 @@
+function fish_user_key_bindings
+    # Keys owned by kitty.conf never reach fish and are NOT bound here:
+    #   ctrl-g → lazygit overlay, ctrl-a → omp hsplit, ctrl-y → yazi vsplit,
+    #   ctrl-h/j/k/l → vim-aware split nav (pass_keys.py).
+    bind ctrl-e nvim repaint
+    bind ctrl-b purple repaint
+    bind ctrl-y clip-last
+
+    bind ctrl-o 'gho; commandline -f repaint'
+    bind ctrl-p 'pj; commandline -f repaint'
+    bind ctrl-a 'omp; commandline -f repaint'
+    # bind \ca 'launch_omp_livediff_overlay; commandline -f repaint'
+
+    # ctrl-f: pick file(s) with television and open in nvim.
+    bind ctrl-f 'yy; commandline -f repaint'
+    bind ctrl-g 'lazygit; commandline -f repaint'
+
+    # ctrl-c routes through the clear wrapper (kitty scrollback + prompt
+    # pinned to the bottom) AND wipes any text typed on the command line.
+    bind ctrl-c 'commandline -r ""; clear; commandline -f repaint'
+
+    # ctrl-q mirrors ctrl-d's preset (`exit`) — quit the shell.
+    bind ctrl-q exit
+end