chore(hyprland): add Altscape window switcher keybinds

Block written by the Altscape omarchy plugin; only binds when the plugin's
manifest exists.

hyprland.lua

@@ -104,3 +104,22 @@ o.window(
     move = { "10", "(monitor_h*0.7-10)" },
   }
 )
+
+-- >>> altscape >>>
+-- Window switcher keybind, managed by Altscape (change it in its settings).
+do
+local altscape_manifest = io.open("/home/prad/.config/omarchy/plugins/io.github.qempexe.altscape/manifest.json", "r")
+if altscape_manifest then
+  altscape_manifest:close()
+  hl.unbind("ALT + TAB")
+  hl.unbind("ALT + SHIFT + TAB")
+  o.bind("ALT + TAB", "Altscape: next window", "omarchy-shell shell summon io.github.qempexe.altscape next")
+  o.bind("ALT + SHIFT + TAB", "Altscape: previous window", "omarchy-shell shell summon io.github.qempexe.altscape prev")
+  -- Letting go of the modifier picks the selected window.
+  o.bind("ALT + ALT_L", "Altscape: switch on release", "omarchy-shell shell summon io.github.qempexe.altscape release", { release = true })
+  o.bind("ALT + ALT_R", "Altscape: switch on release", "omarchy-shell shell summon io.github.qempexe.altscape release", { release = true })
+  -- Opens the settings (again to close).
+  o.bind("SUPER + ALT + SHIFT + S", "Altscape settings", "omarchy-shell io.github.qempexe.altscape settings")
+end
+end
+-- <<< altscape <<<