Add live config reload, session locking and managed daemons

Refine focus gradients, shell workspace controls and popup motion. Correct floating stacking and preserve client-chosen dialog sizes. Add lock protocol probes and session integration.

protocols/ferese-effects-v1.xml

@@ -22,7 +22,7 @@
     DEALINGS IN THE SOFTWARE.
   </copyright>
 
-  <interface name="ferese_effects_manager_v1" version="2">
+  <interface name="ferese_effects_manager_v1" version="3">
     <description summary="assign semantic material roles to surfaces">
       This private global is visible only to clients granted the Ferese effects
       capability. Roles describe compositor-owned appearance policy and do not
@@ -48,7 +48,7 @@
     </enum>
   </interface>
 
-  <interface name="ferese_surface_effects_v1" version="2">
+  <interface name="ferese_surface_effects_v1" version="3">
     <description summary="semantic material role for one surface">
       The role affects only compositor rendering. It does not change surface
       geometry, input, focus, stacking, or the surface's Wayland role.
@@ -88,5 +88,12 @@
       </description>
       <arg name="regions" type="array"/>
     </request>
+    <request name="set_opacity" since="3">
+      <description summary="fade the complete surface presentation">
+        Opacity from 0 to 1000, including surface content, material and shadow.
+        Values above 1000 are clamped. Input and geometry remain unchanged.
+      </description>
+      <arg name="opacity" type="uint"/>
+    </request>
   </interface>
 </protocol>