feat(userspace): log server sole console holder; init boots from manifest; adapter loads only init+storage

crates/servers/storage-server/src/tests/server.rs

@@ -180,3 +180,18 @@ fn garbage_gets_a_malformed_reply() {
     let (words, cap) = s.handle_call(0, [99, 0, 0, 0], None);
     assert_eq!((words[0], cap), (MALFORMED, None));
 }
+
+#[test]
+fn only_the_unbadged_holder_sets_the_log_and_only_once() {
+    let mut s = server();
+    let log = CapSlot::new(7);
+    let set = |s: &mut Srv, badge| {
+        let (words, _) = s.handle_call(badge, StorageRequest::SetLog.encode(), log);
+        StorageResponse::decode(words).unwrap()
+    };
+    assert_eq!(set(&mut s, 5), StorageResponse::Error);
+    assert_eq!(s.log(), None);
+    assert_eq!(set(&mut s, 0), StorageResponse::Ok);
+    assert_eq!(s.log(), log);
+    assert_eq!(set(&mut s, 0), StorageResponse::Error);
+}