Harden desktop recovery and pre-release stability checks

Bound IPC transport deadlines while preserving portal leases, supervise desktop helper and agent recovery, and reserve final floating window geometry during placement.

Stabilize CLI output and isolated tests, expand workspace CI, resolve formatting and lint failures, and bundle the MIT license with installer compatibility.

scripts/installer/install.py

@@ -164,10 +164,11 @@ def validate_bundle(bundle, *, installed=False):
     actual = {str(path.relative_to(bundle)) for path in bundle.rglob('*') if path.is_file()}
     required = expected.keys()
     if installed:
-        # Installed releases may predate the appearance-specific wallpapers.
+        # Installed releases may predate the appearance wallpapers and license.
         # New bundles must include them; upgrades and rollback verify the older
         # release's recorded files without requiring these later additions.
-        required = required - {'wallpapers/ferese-wallpaper-dark.jpg', 'wallpapers/ferese-wallpaper-light.png'}
+        required = required - {'wallpapers/ferese-wallpaper-dark.jpg', 'wallpapers/ferese-wallpaper-light.png',
+                               'licenses/Ferese-LICENSE.txt'}
 
     if not required <= seen or actual != seen | {'manifest.json'}:
         fail('Bundle is incomplete or contains unlisted files')