Float Loupe and update annotation workflow

flake.lock

@@ -200,11 +200,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1789759456,
-        "narHash": "sha256-pV2iKbCp4F7ux4E3usYHi/KzC08/fxiDa64cL4DdJfc=",
+        "lastModified": 1789808342,
+        "narHash": "sha256-xwLOeV+VbeRU8G8er+nPEK574Q3Ewx7dqHbTlTL5e2k=",
         "ref": "refs/heads/main",
-        "rev": "f65d5548de5aa77cc14870d5e7a5f24a972d957a",
-        "revCount": 1671,
+        "rev": "3eaaae68473f803fa781c3494f46fa54475658df",
+        "revCount": 1673,
         "type": "git",
         "url": "https://forg.gregersen.it/lazzexus/Loupe"
       },

settings/hyprland.nix

@@ -361,6 +361,15 @@ in
               tile = true,
             })
 
+            -- Screenshot annotations are a short-lived task over the current
+            -- workspace, so keep Loupe centred and floating on both desktops.
+            hl.window_rule({
+              name = "loupe-floating",
+              match = { class = "^org[.]gnome[.]Loupe$" },
+              float = true,
+              center = true,
+            })
+
             -- Battle.net tray icon leaks as a tiny floating XWayland window.
             hl.window_rule({
               match = { class = "^steam_app_(0|default)$", title = "^$", float = true },