feat: add unused drives handling and update device bus modal labels for clarity

extensions/Servers/Proxmox/Livewire/Storage.php

@@ -15,6 +15,11 @@ class Storage extends Component
      */
     public array $drives = [];
 
+    /**
+     * List of detached/unused drives.
+     */
+    public array $unusedDrives = [];
+
     /**
      * Total allocated storage size in GB.
      */
@@ -121,6 +126,13 @@ class Storage extends Component
     public bool $showDeleteModal = false;
     public ?string $deletingDriveKey = null;
 
+    /**
+     * Form state for reattach modal.
+     */
+    public bool $showReattachModal = false;
+    public ?string $reattachingDriveKey = null;
+    public string $reattachTargetBus = 'scsi';
+
     /**
      * Storage name for cephpool.
      */
@@ -225,6 +237,53 @@ class Storage extends Component
 
         $this->drives = $drives;
         $this->totalAllocatedStorage = $totalSize;
+
+        // Parse unused/detached drives
+        $unusedDrives = [];
+        foreach ($config as $key => $value) {
+            if (!preg_match('/^unused(\d+)$/', $key, $matches)) {
+                continue;
+            }
+
+            // Skip excluded disks
+            if ($this->isExcludedDisk($value)) {
+                continue;
+            }
+
+            $unusedIndex = (int) $matches[1];
+            $unusedInfo = $this->parseUnusedDiskString($value, $unusedIndex);
+            if ($unusedInfo) {
+                $unusedDrives[$key] = $unusedInfo;
+            }
+        }
+
+        // Sort unused drives by index
+        uksort($unusedDrives, function ($a, $b) {
+            preg_match('/^unused(\d+)$/', $a, $matchA);
+            preg_match('/^unused(\d+)$/', $b, $matchB);
+            return (int) $matchA[1] <=> (int) $matchB[1];
+        });
+
+        $this->unusedDrives = $unusedDrives;
+    }
+
+    /**
+     * Parse an unused disk configuration string.
+     */
+    protected function parseUnusedDiskString(string $value, int $unusedIndex): ?array
+    {
+        // Example: cephpool:vm-100-disk-1
+        // Unused disks typically just have the volume reference
+        $volume = trim($value);
+        
+        // Try to extract size from volume name or fetch from storage
+        // For now, we'll mark size as unknown until reattached
+        return [
+            'key' => 'unused' . $unusedIndex,
+            'index' => $unusedIndex,
+            'volume' => $volume,
+            'label' => 'Detached Disk ' . $unusedIndex,
+        ];
     }
 
     /**