Cleanup dotfiles: niri float rules, tmux agent status, noctalia, claude settings

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

niri/cfg/rules.kdl

@@ -1,6 +1,7 @@
     window-rule {
         geometry-corner-radius 5 // Set every window radius to 20
         clip-to-geometry true
+        default-floating-position x=10 y=10 relative-to="bottom-left"
     }
 
      // if you use steam you will probably like these
@@ -16,6 +17,12 @@
        open-focused false
     }
 
+    window-rule {
+        match title="^Picture-in-picture$"
+        open-floating true
+        default-floating-position x=50 y=50 relative-to="bottom-left"
+    }
+
     layer-rule {
         match namespace="^noctalia-wallpaper*"
         place-within-backdrop true