tests: close remaining contract gaps (action-dispatch, org-headline-add/find-by-id, tangle-sync, create-note, messaging-link/unlink)

org/core-defpackage.org

@@ -114,6 +114,7 @@ The package definition. All public symbols are exported here.
     #:wildcard-match
     #:actuator-initialize
    #:dispatch-action
+   #:action-dispatch
    #:register-actuator
    #:load-skill-from-org
     #:skill-initialize-all
@@ -148,6 +149,10 @@ The package definition. All public symbols are exported here.
     #:org-read-file
     #:org-write-file
     #:org-headline-add
+    #:org-headline-find-by-id
+    #:literate-tangle-sync-check
+    #:archivist-create-note
+    #:gateway-start
     #:org-property-set
     #:org-todo-set
     #:org-find-headline-by-id