hub v0.154.0: the host page shows each storage place's physical disk(s) and whether the agent proved them (16 §3)

Claude-Session: https://claude.ai/code/session_012qRErfCoiTkvDK9N5XHbzb

hub/internal/api/handler.go

@@ -847,7 +847,13 @@ type hostStorageTarget struct {
 	BackingDevice string  `json:"backing_device"`
 	ClassHint     string  `json:"class_hint"`
 	Role          string  `json:"role"`
-	ThinPool      *struct {
+	// Physical-disk identity (agent v0.157.0, felhom.eu architecture/16-storage-physical-identity.md §3):
+	// agent-computed; the hub stores it with the report and shows it on the host page. No alarm (build A).
+	Kind           string   `json:"kind,omitempty"`
+	PhysicalDisks  []string `json:"physical_disks,omitempty"`
+	Identity       string   `json:"identity,omitempty"`
+	IdentityReason string   `json:"identity_reason,omitempty"`
+	ThinPool       *struct {
 		DataUsedFraction     float64  `json:"data_used_fraction"`
 		MetadataUsedFraction *float64 `json:"metadata_used_fraction"`
 	} `json:"thin_pool,omitempty"`

hub/internal/api/testdata/host-report.golden.json

@@ -46,6 +46,9 @@
       "backing_device": "",
       "class_hint": "fast",
       "role": "",
+      "kind": "system",
+      "physical_disks": ["serial:ata:SanDisk_X600:182195804614"],
+      "identity": "proven",
       "thin_pool": { "data_used_fraction": 0.42, "metadata_used_fraction": null },
       "smart": {
         "health": "UNKNOWN",
@@ -74,6 +77,10 @@
       "backing_device": "/dev/sdb1",
       "class_hint": "slow",
       "role": "",
+      "kind": "disk",
+      "physical_disks": ["serial:usb:External:000000000000"],
+      "identity": "unknown",
+      "identity_reason": "usb_bridge",
       "smart": {
         "health": "UNKNOWN",
         "temperature_c": null,