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

---------

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

docs/ipc.md

@@ -20,6 +20,7 @@ feresectl output-profiles
 feresectl theme get
 feresectl xwayland status
 feresectl media
+feresectl activity list
 ```
 
 The `get-*` spellings remain hidden aliases for the corresponding queries and
@@ -51,6 +52,18 @@ width/height with left/up and grows them with right/down by 32 logical pixels,
 subject to client size limits. Fullscreen and maximized floating windows ignore
 these actions.
 
+## Live Activities
+
+Use `feresectl run --title "Tests" -- cargo test` to publish a command's lifetime,
+or `feresectl activity start`, `update`, `end` and `cancel` to publish status from
+an integration. The [Live Activities guide](activities.md) covers setup and
+examples; its [publisher section](activities.md#publisher-ownership-and-lifecycle) explains ownership,
+leases and the `activity-publish`, `activity-get` and `activity-watch` commands.
+
+`feresectl activity setup --config PATH` updates a local config for shell
+activities and the panel item without connecting to a session. It preserves an
+explicit `shell-hook #false`; the installer uses it during first-time user setup.
+
 ## Choose a session
 
 Every feresectl IPC command, including theme commands and subscriptions, resolves