Add niri startup layout script

home/sam/bin/niri-startup-layout

@@ -0,0 +1,48 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+spawn() {
+  # Detach; avoid blocking.
+  ( "$@" >/dev/null 2>&1 & )
+}
+
+# Give niri a moment to finish bringing up IPC.
+for _ in $(seq 1 50); do
+  niri msg version >/dev/null 2>&1 && break
+  sleep 0.1
+done
+
+# Ensure we start from the leftmost monitor (DP-6 in your layout).
+for _ in $(seq 1 6); do
+  niri msg action focus-monitor-left >/dev/null 2>&1 || true
+done
+
+# DP-6 -> workspace 6: 2 kitty terminals
+niri msg action focus-workspace 6
+spawn kitty --directory "$HOME/organizer"
+spawn kitty --directory /etc/nixos
+sleep 1
+
+# DP-7 -> workspace 7: 2 firefox windows
+niri msg action focus-monitor-right
+niri msg action focus-workspace 7
+spawn firefox --new-window "https://x.com/"
+sleep 1
+spawn firefox --new-window "https://www.youtube.com/"
+sleep 1
+
+# DP-4 -> workspace 4: firefox with tabs
+niri msg action focus-monitor-right
+niri msg action focus-workspace 4
+spawn firefox \
+  --new-window "https://gitea.lab.audasmedia.com.au/" \
+  --new-tab "https://t3.chat/" \
+  --new-tab "https://grok.com/" \
+  --new-tab "https://gemini.google.com/"
+sleep 1
+
+# DP-5 -> workspace 5: kitty + thunar
+niri msg action focus-monitor-right
+niri msg action focus-workspace 5
+spawn kitty --directory /etc/nixos
+spawn thunar "$HOME"