feat: cmd+click file paths to markdown panel with tmux CC native pane support

Resources/shell-integration/cmux-bash-integration.bash

@@ -509,4 +509,41 @@ _cmux_fix_path() {
 _cmux_fix_path
 unset -f _cmux_fix_path
 
+# tmux auto-CC: when the user runs `tmux attach` or `tmux new-session`
+# in an interactive cmux terminal, automatically add -CC so native pane
+# rendering activates. Use `command tmux ...` to bypass, or set
+# CMUX_TMUX_AUTO_CC=0 to disable globally.
+tmux() {
+    # Opt-out
+    [[ "${CMUX_TMUX_AUTO_CC:-1}" == "0" ]] && { command tmux "$@"; return $?; }
+    # Inside cmux, $TMUX may be inherited from the launcher env but
+    # this terminal is NOT really inside tmux — ignore it.
+    # Outside cmux (no CMUX_SOCKET_PATH), respect $TMUX as usual.
+    [[ -z "$CMUX_SOCKET_PATH" && -n "$TMUX" ]] && { command tmux "$@"; return $?; }
+    [[ "$-" == *i* ]] || { command tmux "$@"; return $?; }
+    [[ -t 1 ]] || { command tmux "$@"; return $?; }
+    # Already has -CC or -C
+    local arg; for arg in "$@"; do
+        [[ "$arg" == "-CC" || "$arg" == "-C" ]] && { command tmux "$@"; return $?; }
+        [[ "$arg" == "--" ]] && break
+    done
+    # Determine the tmux subcommand (skip global flags that take a value)
+    local subcmd="" skip_next=0
+    for arg in "$@"; do
+        if (( skip_next )); then skip_next=0; continue; fi
+        case "$arg" in
+            -L|-S|-f|-c) skip_next=1; continue ;;  # these flags consume the next arg
+            -*) continue ;;
+            *) subcmd="$arg"; break ;;
+        esac
+    done
+    # Only auto-add -CC for commands that start a tmux client
+    case "$subcmd" in
+        attach|attach-session|a|new|new-session|"")
+            command tmux -CC "$@" ;;
+        *)
+            command tmux "$@" ;;
+    esac
+}
+
 _cmux_install_prompt_command

Resources/shell-integration/cmux-zsh-integration.zsh

@@ -567,8 +567,46 @@ _cmux_zshexit() {
     _cmux_stop_pr_poll_loop
 }
 
+# tmux auto-CC: installed on first prompt (after .zshrc) so user plugins
+# cannot shadow it. Use `command tmux ...` to bypass, or set
+# CMUX_TMUX_AUTO_CC=0 to disable globally.
+_cmux_install_tmux_wrapper() {
+    # Define/redefine the tmux function, overriding any plugin definition
+    tmux() {
+        [[ "${CMUX_TMUX_AUTO_CC:-1}" == "0" ]] && { command tmux "$@"; return $?; }
+        # Inside cmux, $TMUX may be inherited from the launcher env but
+        # this terminal is NOT really inside tmux — ignore it.
+        # Outside cmux (no CMUX_SOCKET_PATH), respect $TMUX as usual.
+        [[ -z "$CMUX_SOCKET_PATH" && -n "$TMUX" ]] && { command tmux "$@"; return $?; }
+        [[ -o interactive ]] || { command tmux "$@"; return $?; }
+        [[ -t 1 ]] || { command tmux "$@"; return $?; }
+        local arg; for arg in "$@"; do
+            [[ "$arg" == "-CC" || "$arg" == "-C" ]] && { command tmux "$@"; return $?; }
+            [[ "$arg" == "--" ]] && break
+        done
+        local subcmd="" skip_next=0
+        for arg in "$@"; do
+            if (( skip_next )); then skip_next=0; continue; fi
+            case "$arg" in
+                -L|-S|-f|-c) skip_next=1; continue ;;
+                -*) continue ;;
+                *) subcmd="$arg"; break ;;
+            esac
+        done
+        case "$subcmd" in
+            attach|attach-session|a|new|new-session|"")
+                command tmux -CC "$@" ;;
+            *)
+                command tmux "$@" ;;
+        esac
+    }
+    # Only need to install once
+    add-zsh-hook -d precmd _cmux_install_tmux_wrapper
+}
+
 autoload -Uz add-zsh-hook
 add-zsh-hook preexec _cmux_preexec
 add-zsh-hook precmd _cmux_precmd
 add-zsh-hook precmd _cmux_fix_path
+add-zsh-hook precmd _cmux_install_tmux_wrapper
 add-zsh-hook zshexit _cmux_zshexit