Finish the wonderland: System told truthfully, in eight tabs instead of ten

Claude-Session: https://claude.ai/code/session_01Ms2FbjQy31TVf3CEvQhGM8

config/dot/quickshell/services/SystemSettings.qml

@@ -30,7 +30,14 @@ Singleton {
     property bool bluebubblesDetected: false
 
     property string hyprlandVersion: ""
+
+    // Asked of the binary, never restated. The literal is only what About falls
+    // back to on a machine where `qs --version` cannot be run: a hardcoded
+    // version is a fact that goes stale the first time Quickshell updates and
+    // then reports the wrong number with complete confidence.
     property string quickshellVersion: "0.3.0"
+    property bool quickshellVersionRead: false
+
     property string lastError: ""
 
     // Explicit seams keep reset sequencing testable without changing the live
@@ -53,6 +60,7 @@ Singleton {
     property var lockBusy: function() { return LockScreen.busy; }
 
     readonly property bool busy: monitorQuery.running || serviceQuery.running || versionQuery.running
+        || quickshellVersionQuery.running
         || configWrite.running || configVerify.running || bluebubblesQuery.running
 
     readonly property bool bluebubblesAvailable: root.bluebubblesDetected
@@ -142,6 +150,25 @@ Singleton {
         }
     }
 
+    // Started once, from refresh(), and never again once it has answered --
+    // the version cannot change under a running shell. `qs --version` prints
+    // "Quickshell 0.3.1 (revision ..., distributed by ...)"; only the number
+    // is a fact About needs, and a line that does not match leaves the
+    // fallback in place rather than putting a parse failure on screen.
+    Process {
+        id: quickshellVersionQuery
+        command: ["qs", "--version"]
+        stdout: StdioCollector {
+            onStreamFinished: {
+                const match = this.text.match(/Quickshell\s+(\d+(?:\.\d+)*)/);
+                if (match) {
+                    root.quickshellVersion = match[1];
+                    root.quickshellVersionRead = true;
+                }
+            }
+        }
+    }
+
     Process {
         id: bluebubblesQuery
         command: ["flatpak", "info", "app.bluebubbles.BlueBubbles"]
@@ -176,6 +203,8 @@ Singleton {
             serviceQuery.running = true;
         if (!versionQuery.running && !root.hyprlandVersion)
             versionQuery.running = true;
+        if (!quickshellVersionQuery.running && !root.quickshellVersionRead)
+            quickshellVersionQuery.running = true;
         if (!bluebubblesQuery.running)
             bluebubblesQuery.running = true;
     }