Expand lab seed tiers, OpenAPI PARAMS, and console DATA/Params UX.

app/vsphere/rest/platform_rest.py

@@ -277,7 +277,14 @@ async def guest_customization_get(
 ) -> dict[str, Any]:
     obj = await vm_ops.require_vm(database, vm)
     customization = obj.props.get("customization")
-    return customization if isinstance(customization, dict) else {}
+    if isinstance(customization, dict) and customization:
+        return customization
+    # Seed / probe may wipe the field with POST {}; keep a non-empty lab view.
+    return {
+        "name": obj.name,
+        "status": "PENDING",
+        "spec": {"hostname": obj.name, "domain": "lab.local"},
+    }
 
 
 @router.get("/api/vcenter/vm/{vm}/guest/networking")
@@ -352,6 +359,8 @@ async def guest_customization(
     _: SessionInfo = Depends(require_privilege("VirtualMachine.Config.Rename")),
 ) -> dict[str, str]:
     obj = await vm_ops.require_vm(database, vm)
+    if not isinstance(body, dict) or not body:
+        raise invalid_argument("customization spec is required")
     props = dict(obj.props)
     props["customization"] = body
     await inventory.update_props(database, vm, props)
@@ -375,8 +384,13 @@ async def guest_local_filesystem(
 ) -> dict[str, Any]:
     obj = await vm_ops.require_vm(database, vm)
     filesystems = obj.props.get("guest_filesystems")
-    return filesystems if isinstance(filesystems, dict) else {}
-
+    if isinstance(filesystems, dict) and filesystems:
+        return filesystems
+    return {
+        "filesystems": {
+            "/": {"capacity": 42949672960, "free_space": 21474836480},
+        }
+    }
 
 @router.get("/api/vcenter/vm/{vm}/guest/filesystem")
 async def guest_filesystem_get(