Add Live Activities as configurable bar items (#30)

* Add Live Activities as configurable bar items

* Fix activity owner monitoring and Morph list interactions

* Keep activity rows stable during updates and tighten their layout

* Use subtle theme tint for activity cards

* Tighten activity title and progress spacing

* Use theme accent for active progress rings

* Fit compact activities to measured titles and badge

* Expose Live Activities display controls in Settings

* Open activity terminals and streamline the Morph header

* Give Morph continuous icons and prioritize workspace navigation

* Show activity progress inside its ring

* Inset activity progress rings and strengthen their stroke

* Fix activity lifecycle, command output handling and list navigation

* Reduce activity update work and harden publisher lifetimes

* Set up Live Activities for the detected user shell during installation

* Document Activities setup, daily use and troubleshooting

* Preserve Morph idle width across empty activity updates

* Fix dimming flicker, hide inactive music tab and consolidate Activities docs

* Fix panel clearance across styles and match previews to theme settings

* Prevent panel blur from repainting neighboring islands

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Co-authored-by: Samuel Onoja <[email protected]>

compositor/src/render/shaders/blur_shader.frag

@@ -25,6 +25,9 @@ varying vec2 v_coords;
 
 void main() {
     float sdf = material_distance(gl_FragCoord.xy, visible_rect, material_radii);
+    // The capture includes a sampling halo, but this draw owns only its visible
+    // region. The shared panel mask also contains neighboring islands.
+    if (panel_count > 0.5) sdf = max(sdf, panel_box_distance(gl_FragCoord.xy, visible_rect));
     float coverage = alpha * presentation_alpha * edge_coverage(sdf);
     if (coverage <= 0.0) { gl_FragColor = vec4(0.0); return; }
     vec2 coords = (gl_FragCoord.xy - capture_origin) / texture_size;