ProgramCheckerService: move bluetoothctl check from BluetoothService here

Services/Networking/BluetoothService.qml

@@ -6,6 +6,7 @@ import Quickshell.Bluetooth
 import Quickshell.Io
 import "../../Helpers/BluetoothUtils.js" as BluetoothUtils
 import qs.Commons
+import qs.Services.System
 import qs.Services.UI
 
 Singleton {
@@ -66,8 +67,6 @@ Singleton {
   // Internal: temporarily pause discovery during pair/connect to reduce HCI churn
   property bool _discoveryWasRunning: false
   property bool _ctlInit: false
-  // Track whether the bluetoothctl CLI is available on the system
-  property bool ctlBinaryAvailable: false
 
   Timer {
     id: initDelayTimer
@@ -116,6 +115,16 @@ Singleton {
     }
   }
 
+  // Re-run polling once bluetoothctl availability is known
+  Connections {
+    target: ProgramCheckerService
+    function onBluetoothctlAvailableChanged() {
+      if (!adapter && ProgramCheckerService.bluetoothctlAvailable) {
+        requestCtlPoll(0);
+      }
+    }
+  }
+
   function setAirplaneMode(state) {
     if (state) {
       Quickshell.execDetached(["rfkill", "block", "wifi"]);
@@ -184,7 +193,7 @@ Singleton {
     id: ctlPollTimer
     interval: adapter ? ctlPollMs : 2000
     repeat: true
-    running: adapter || root.ctlBinaryAvailable
+    running: adapter || ProgramCheckerService.bluetoothctlAvailable
     onTriggered: {
       pollCtlState();
       var targetInterval = adapter ? ctlPollMs : 2000;
@@ -195,7 +204,7 @@ Singleton {
   }
 
   function requestCtlPoll(delayMs) {
-    if (!adapter && !root.ctlBinaryAvailable) {
+    if (!adapter && !ProgramCheckerService.bluetoothctlAvailable) {
       return;
     }
     ctlPollTimer.interval = Math.max(50, delayMs || ctlPollSoonMs);
@@ -203,7 +212,7 @@ Singleton {
   }
 
   function pollCtlState() {
-    if (!adapter && !root.ctlBinaryAvailable) {
+    if (!adapter && !ProgramCheckerService.bluetoothctlAvailable) {
       return;
     }
     if (ctlShowProcess.running) {
@@ -214,29 +223,6 @@ Singleton {
     } catch (_) {}
   }
 
-  // One-time detection of bluetoothctl binary presence to avoid spamming logs on systems without Bluetooth
-  Process {
-    id: ctlBinaryCheck
-    running: true
-    command: ["sh", "-c", "command -v bluetoothctl >/dev/null 2>&1 && echo yes || echo no"]
-    stdout: StdioCollector {
-      onStreamFinished: {
-        var available = (text || "").trim() === "yes";
-        root.ctlBinaryAvailable = available;
-        if (!available) {
-          Logger.i("Bluetooth", "bluetoothctl not found; disabling CLI fallback polling");
-        }
-      }
-    }
-    stderr: StdioCollector {
-      onStreamFinished: {
-        if (text && text.trim()) {
-          Logger.d("Bluetooth", "bluetoothctl check stderr:", text.trim());
-        }
-      }
-    }
-  }
-
   // bluetoothctl state polling
   Process {
     id: ctlShowProcess
@@ -311,7 +297,7 @@ Singleton {
 
   // Unify discovery controls
   function setScanActive(active) {
-    if (!adapter && !root.ctlBinaryAvailable) {
+    if (!adapter && !ProgramCheckerService.bluetoothctlAvailable) {
       Logger.d("Bluetooth", "Scan request ignored: bluetoothctl unavailable");
       return;
     }
@@ -344,7 +330,7 @@ Singleton {
   // Adapter power (enable/disable) via bluetoothctl
   function setBluetoothEnabled(state) {
     Logger.i("Bluetooth", "SetBluetoothEnabled", state);
-    if (!adapter && !root.ctlBinaryAvailable) {
+    if (!adapter && !ProgramCheckerService.bluetoothctlAvailable) {
       Logger.i("Bluetooth", "Enable/Disable skipped: no adapter or bluetoothctl");
       return;
     }
@@ -366,7 +352,7 @@ Singleton {
 
   // Toggle adapter discoverability (advertising visibility) via bluetoothctl
   function setDiscoverable(state) {
-    if (!adapter && !root.ctlBinaryAvailable) {
+    if (!adapter && !ProgramCheckerService.bluetoothctlAvailable) {
       Logger.d("Bluetooth", "Discoverable change skipped: no adapter or bluetoothctl");
       return;
     }