Unsure if an LMS can communicate a variable back to a course, but you can certainly set the AICC_Lesson_Status to ‘complete’ from within Lectora.
Lectora’s SCORM publishing settings include a ‘Prompt the user to navigate to the last viewed page’ option. When a learner revisits a course they’re given the option to pick up from where they left off, or start from the first page.
Their choice won’t affect progression tracking (page/chapter completion variables) if those variables are set to ‘retain value between lessons’.
Does this help?