Add SNMP profile mapping and fix asset cleanup

backend/app/api/discovery.py

@@ -65,6 +65,9 @@ def _discovery_to_read(credential_profile_id: int, discovered: DiscoveredSnmpDev
     return SnmpDiscoveryRead(
         host=discovered.host,
         credential_profile_id=credential_profile_id,
+        profile_key=discovered.profile_key,
+        profile_name=discovered.profile_name,
+        capabilities=discovered.capabilities,
         device_name=discovered.device_name,
         description=discovered.description,
         uptime_seconds=discovered.uptime_seconds,
@@ -74,15 +77,27 @@ def _discovery_to_read(credential_profile_id: int, discovered: DiscoveredSnmpDev
 
 
 def _monitorable_items(discovered: DiscoveredSnmpDevice) -> list[SnmpDiscoveryItemRead]:
-    items = [
-        SnmpDiscoveryItemRead(
-            item_id="device.uptime",
-            item_type="device_uptime",
-            group="Device Health",
-            label="Device uptime",
-            unit="seconds",
+    items = []
+    if discovered.uptime_seconds is not None:
+        items.append(
+            SnmpDiscoveryItemRead(
+                item_id="device.uptime",
+                item_type="device_uptime",
+                group="Device Health",
+                label="Device uptime",
+                unit="seconds",
+            )
         )
-    ]
+    items.extend(
+        SnmpDiscoveryItemRead(
+            item_id=item.item_id,
+            item_type=item.item_type,
+            group=item.group,
+            label=item.label,
+            unit=item.unit,
+        )
+        for item in discovered.health_items
+    )
     for interface in discovered.interfaces:
         group = f"Interface {interface.name}"
         item_prefix = f"interface.{interface.index}"