fixing UI and iscsi sync

internal/models/zfs.go

@@ -13,6 +13,37 @@ type Pool struct {
 	CreatedAt time.Time `json:"created_at"`
 }
 
+// PoolDetail represents detailed pool information from zpool status
+type PoolDetail struct {
+	Name      string   `json:"name"`
+	State     string   `json:"state"`      // ONLINE, DEGRADED, FAULTED
+	Status    string   `json:"status"`     // Full status message
+	VDEVs     []VDEV   `json:"vdevs"`      // Virtual devices
+	Spares    []string `json:"spares"`     // Spare disks
+	Errors    string   `json:"errors"`     // Error summary
+	ScrubInfo string   `json:"scrub_info"` // Scrub information
+}
+
+// VDEV represents a virtual device in a pool
+type VDEV struct {
+	Name     string `json:"name"`     // VDEV name or type
+	Type     string `json:"type"`     // mirror, raidz, raidz2, etc.
+	State    string `json:"state"`    // ONLINE, DEGRADED, etc.
+	Disks    []Disk `json:"disks"`    // Disks in this VDEV
+	Read     int    `json:"read"`     // Read errors
+	Write    int    `json:"write"`    // Write errors
+	Checksum int    `json:"checksum"` // Checksum errors
+}
+
+// Disk represents a disk in a VDEV
+type Disk struct {
+	Name     string `json:"name"`     // Disk name (e.g., sdb)
+	State    string `json:"state"`    // ONLINE, DEGRADED, FAULTED, etc.
+	Read     int    `json:"read"`     // Read errors
+	Write    int    `json:"write"`    // Write errors
+	Checksum int    `json:"checksum"` // Checksum errors
+}
+
 // Dataset represents a ZFS filesystem
 type Dataset struct {
 	Name       string    `json:"name"`