diff --git a/internal/ai/tools/data_types.go b/internal/ai/tools/data_types.go
index a9f781afb..d951397db 100644
--- a/internal/ai/tools/data_types.go
+++ b/internal/ai/tools/data_types.go
@@ -1106,10 +1106,10 @@ type PhysicalDiskSummary struct {
 	WWN         string    `json:"wwn,omitempty"`
 	Type        string    `json:"type"` // nvme, sata, sas
 	SizeBytes   int64     `json:"size_bytes"`
-	Health      string    `json:"health"`                // PASSED, FAILED, UNKNOWN
-	Wearout     *int      `json:"wearout,omitempty"`     // SSD life remaining percentage (100=new/healthy, 0=end of life), nil when unavailable
-	Temperature *int      `json:"temperature,omitempty"` // Celsius, nil when unavailable
-	RPM         *int      `json:"rpm,omitempty"`         // 0 for SSDs, nil when unavailable
+	Health      string    `json:"health"`                           // PASSED, FAILED, UNKNOWN
+	Wearout     *int      `json:"ssd_life_remaining_pct,omitempty"` // 100=new/healthy, 0=end of life; nil when unavailable
+	Temperature *int      `json:"temperature,omitempty"`            // Celsius, nil when unavailable
+	RPM         *int      `json:"rpm,omitempty"`                    // 0 for SSDs, nil when unavailable
 	Used        string    `json:"used,omitempty"`
 	LastChecked time.Time `json:"last_checked,omitempty"`
 }
diff --git a/internal/ai/tools/tools_metrics.go b/internal/ai/tools/tools_metrics.go
index ce1a54a24..fa841d04f 100644
--- a/internal/ai/tools/tools_metrics.go
+++ b/internal/ai/tools/tools_metrics.go
@@ -21,7 +21,7 @@ Types:
 - temperatures: CPU, disk, and sensor temperatures from hosts
 - network: Network interface statistics (rx/tx bytes, speed)
 - diskio: Disk I/O statistics (read/write bytes, ops)
-- disks: Physical disk health (SMART, wearout, temperatures)
+- disks: Physical disk health (SMART, SSD life remaining, temperatures)
 - baselines: Learned normal behavior baselines for resources
 - patterns: Detected operational patterns and predictions