Split niri, hypr, fish into submodules; tmux, tmux-palette, television, yazi into externals

dot_local/bin/executable_tmux-niri-title

@@ -0,0 +1,40 @@
+#!/bin/sh
+# ~/.local/bin/tmux-niri-title — POSIX sh, runs on Linux and macOS.
+# Builds the context segment for tmux set-titles-string (e.g. a Niri title).
+# Priority: ssh target > nvim file > git branch > cwd basename
+# Args: $1 pane_current_command  $2 pane_current_path  $3 pane_tty  $4 pane_title
+
+cmd=$1 path=$2 tty=$3 title=$4
+
+# 1) Remote session → "󰣀 user@host"
+case "$cmd" in
+ssh | mosh-client | autossh | et)
+    target=$(ps -o args= -t "$tty" 2>/dev/null | awk '
+        /(^|\/)((auto)?ssh|mosh-client|et) / {
+            for (i = 2; i <= NF; i++)
+                if ($i !~ /^-/) { print $i; exit }
+        }')
+    printf '󰣀 %s' "${target:-remote}"
+    exit 0
+    ;;
+esac
+
+# 2) Editor → pane title (nvim sets "file – NVIM" when vim.opt.title = true)
+case "$cmd" in
+nvim | vim)
+    if [ -n "$title" ] && [ "$title" != "$(hostname)" ]; then
+        printf ' %s' "$title"
+        exit 0
+    fi
+    ;;
+esac
+
+# 3) Git repo → "dir  branch"
+branch=$(git -C "$path" branch --show-current 2>/dev/null)
+if [ -n "$branch" ]; then
+    printf '%s  %s' "$(basename "$path")" "$branch"
+    exit 0
+fi
+
+# 4) Fallback → cwd basename
+basename "$path"