fix(perf): NFS shares no longer raise the tile's dot

A nearly full file server lit the drawer tile's dot while CPU, RAM
and every local disk were fine. Shares stay in the panel with their
fill; only local disks count toward the dot.

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

2 files changed, 6 insertions, 4 deletions

diff --git a/desktop/modules/perf/Perf.qml b/desktop/modules/perf/Perf.qml
index d165110..5fcf0ab 100644
--- a/desktop/modules/perf/Perf.qml
+++ b/desktop/modules/perf/Perf.qml
@@ -66,11 +66,12 @@ Singleton {
     readonly property var ip: P.ipCheck(root.pub, root.now, Prefs.pinnedIp)
 
     // The icon's dot. CPU load is left out: spikes would flicker it, and
-    // sustained load shows up as heat.
+    // sustained load shows up as heat. NFS shares are too: a full file server
+    // is shown in the panel, not raised as this PC's trouble.
     readonly property string severity: P.worst(
         root.temps.map(t => P.band(t.value, t.warn, t.crit))
             .concat([P.band(root.mem ? 100 * root.mem.used / root.mem.total : null, 85, 95)])
-            .concat(root.disks.map(d => P.band(d.pct, 90, 95)))
+            .concat(root.disks.filter(d => !d.host).map(d => P.band(d.pct, 90, 95)))
             .concat([root.ip.mismatch ? "crit" : "ok"]))
 
     readonly property string pubipPath:
diff --git a/desktop/modules/perf/README.md b/desktop/modules/perf/README.md
index 3d11be4..d5ae0b3 100644
--- a/desktop/modules/perf/README.md
+++ b/desktop/modules/perf/README.md
@@ -13,10 +13,11 @@ The tile shows CPU and RAM, and a dot for the worst of these, yellow or red:
 | --- | --- | --- |
 | each temperature | its warn | its crit |
 | RAM | 85% | 95% |
-| each disk | 90% | 95% |
+| each local disk | 90% | 95% |
 | public IP | | differs from the pinned one |
 
-CPU load is left out, since spikes would flicker it. There is no hysteresis,
+CPU load is left out, since spikes would flicker it, and so are NFS shares:
+a full file server shows in the panel, not as this PC's trouble. There is no hysteresis,
 so a sensor sitting on its threshold can toggle the dot. The pin beside the
 public IP, on the network page, stores the address shown as `perf.pinnedIp` in
 `$XDG_STATE_HOME/keystone/desktop.json`; the check exists because the VPN