feat(config): add CSI‑u shift+enter handling and new shortcut bindings

dot_config/ghostty/config

@@ -37,14 +37,23 @@ keybind = ctrl+plus=increase_font_size:1
 keybind = ctrl+minus=decrease_font_size:1
 keybind = ctrl+zero=reset_font_size
 keybind = ctrl+shift+period=reload_config
-keybind = shift+enter=text:\n
+# shift+enter as CSI-u (ESC[13;2u), the newline-in-prompt key coding agents
+# (omp, claude) read. Never \n: that is ctrl+j, tmux's pane-down key.
+keybind = shift+enter=text:\x1b[13;2u
 
 # command palette: ctrl+space is tmux's root-table C-Space (tmux-palette);
 # sent explicitly as NUL so no keyboard-protocol mode can turn it into a CSI
 keybind = ctrl+space=text:\x00
 # project tasks palette (pj): tmux prefix t
+keybind = ctrl+shift+p=text:\x02t
 keybind = ctrl+shift+space=text:\x02t
 
+# launchers (kitty's ctrl+shift chords), tmux prefix y/e/g/a
+keybind = ctrl+shift+f=text:\x02y
+keybind = ctrl+shift+e=text:\x02e
+keybind = ctrl+shift+g=text:\x02g
+keybind = ctrl+shift+a=text:\x02a
+
 # tabs → tmux windows
 keybind = ctrl+shift+t=text:\x02c
 keybind = ctrl+shift+w=text:\x02k
@@ -60,7 +69,6 @@ keybind = ctrl+shift+h=text:\x02p
 
 # splits → tmux panes
 keybind = ctrl+shift+l=text:\x02v
-keybind = ctrl+shift+e=text:\x02h
 keybind = ctrl+shift+j=text:\x02h
 keybind = ctrl+shift+x=text:\x02x
 
@@ -69,10 +77,8 @@ keybind = ctrl+shift+o=text:\x02o
 keybind = ctrl+shift+enter=text:\x02z
 keybind = ctrl+shift+z=text:\x02z
 
-# scrollback, prompt, help
-keybind = ctrl+shift+f=text:\x02/
+# scrollback, help (search scrollback: tmux prefix /)
 keybind = ctrl+shift+page_up=text:\x02[
-keybind = ctrl+shift+p=text:\x02:
 keybind = ctrl+shift+slash=text:\x02?
 keybind = ctrl+shift+alt+,=text:\x02q
 

dot_config/tmux-palette/commands.json

@@ -2,6 +2,7 @@
   {
     "icon": "",
     "title": "Lazygit",
+    "shortcut": "Ctrl+Shift+G",
     "description": "popup in the pane's directory",
     "category": "Tools",
     "aliases": ["lg"],
@@ -10,6 +11,7 @@
   {
     "icon": "",
     "title": "Yazi",
+    "shortcut": "Ctrl+Shift+F",
     "description": "new window in the pane's directory",
     "category": "Tools",
     "aliases": ["fm"],
@@ -58,6 +60,7 @@
   {
     "icon": "",
     "title": "omp",
+    "shortcut": "Ctrl+Shift+A",
     "description": "omp agent in a full-height split on the right, 33%",
     "category": "Tools",
     "aliases": ["agent", "ai"],
@@ -76,7 +79,7 @@
     "title": "Project Tasks",
     "description": "pj: install, dev, make, uv, scripts",
     "category": "Tools",
-    "shortcut": "Ctrl+Shift+Space",
+    "shortcut": "Ctrl+Shift+P",
     "aliases": ["pj", "run"],
     "action": { "palette": "tasks" }
   },

dot_config/tmux/tmux.conf

@@ -110,6 +110,11 @@ set -g detach-on-destroy no-detached
 set -g extended-keys on
 set -g extended-keys-format csi-u
 set -ag terminal-features "xterm-kitty:extkeys"
+# shift+enter (Ghostty sends ESC[13;2u): pass it through as ESC[13;2u for
+# coding agents (omp, claude) to insert a newline. With extended-keys `on`,
+# tmux would flatten it to a plain Enter for any app that never asked for
+# extended keys.
+bind -N "Shift+Enter as CSI-u" -n S-Enter send-keys -H 1b 5b 31 33 3b 32 75
 set -as terminal-features ",*:clipboard"
 set -sg escape-time 10
 
@@ -192,9 +197,16 @@ set -g @plugin 'eduwass/tmux-palette'
 # shortcut labels) lives in ~/.config/tmux-palette/.
 set -g @palette-key 'C-Space'
 # pj's task runner as a palette (pj-palette): quick actions + project tasks,
-# each run in a new window. prefix + t (Ghostty ctrl+shift+space).
+# each run in a bottom split. prefix + t (Ghostty ctrl+shift+p / +space).
 bind -N "Project tasks (pj)" t run-shell "~/.config/tmux/plugins/tmux-palette/bin/tmux-palette.sh tasks"
 
+# Direct launchers, the kitty ctrl+shift chords (Ghostty sends prefix + key).
+# Programs are exec'd so the tab icon is the program's.
+bind -N "Yazi in a new window" y new-window -c "#{pane_current_path}" "exec yazi"
+bind -N "Neovim in a new window" e new-window -c "#{pane_current_path}" "exec nvim"
+bind -N "Lazygit popup" g display-popup -E -w 90% -h 90% -d "#{pane_current_path}" lazygit
+bind -N "omp in a right split (33%)" a split-window -h -f -l 33% -c "#{pane_current_path}" "exec omp"
+
 # sessionx: fuzzy session switcher/creator on prefix + o (Ghostty
 # ctrl+shift+o). A query with no match goes to zoxide; uses fzf --tmux.
 set -g @sessionx-bind 'o'