feat(desktop): performance and clipboard pages, a scrolling tile grid

The tile grid sits in a Flickable capped at three rows, so the fourth row
the new modules bring scrolls inside that box instead of eating the
notification space; a thin accent bar in the margin shows only when a row
is hidden. Tiles are reordered with the everyday ones first.

Performance shows the island's PerfPanel in a Page, with a tile line of CPU
and RAM and the warning dot. Perf.detailed is now a count of live PerfPanel
instances instead of a binding in the status pill: the island and the drawer
both host the panel, and a bool with two writers would let one clear it
under the other.

Clipboard reads cliphist when its page opens: search, copy on click or
Enter, delete per row, clear all behind a 3 second confirm, image entries as
thumbnails decoded once onto tmpfs. Entries reach sh as $1, never inside a
command string. A copy closes the drawer through a new Page.dismiss signal
the drawer connects like back.

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

1 files changed, 5 insertions, 1 deletions

diff --git a/desktop/shell.qml b/desktop/shell.qml
index fd99f11..537ce71 100644
--- a/desktop/shell.qml
+++ b/desktop/shell.qml
@@ -20,9 +20,11 @@ import QtQuick
 import "modules/ai"
 import "modules/appearance"
 import "modules/bluetooth"
+import "modules/clipboard"
 import "modules/kdeconnect"
 import "modules/mail"
 import "modules/network"
+import "modules/perf"
 import "modules/sound"
 import "modules/status"
 import "modules/vm"
@@ -57,10 +59,12 @@ ShellRoot {
             BluetoothModule {},
             KdeConnectModule {},
             MailModule {},
-            AppearanceModule {},
             StatusModule {},
+            PerfModule {},
+            ClipboardModule {},
             VmModule {},
             AiModule {},
+            AppearanceModule {},
         ]
     }