canvas-insidelisted

# Canvas Classic Quiz workflow Handle `online_quiz` assignments with a real Classic Quiz `quiz_id`. Supported question types are multiple choice, multiple answers, true/false, matching, short answer, fill-in-multiple-blanks, multiple dropdowns, numerical, and essay. New Quizzes (`external_tool` with no `quiz_id`) and online text entries are outside this skill. Plan approval permits the approved local work only. It never grants authority to start an attempt, save an answer or event, complete an attempt, or retake. ## Entry and artifact contract Require `run_dir`, `course_id`, `assignment_id`, the validated assignment snapshot and approved plan item. Create the only work directory with: ```python from src.course_artifacts import ensure_stable_work_dir work_dir = ensure_stable_work_dir(run_dir, course_id, assignment_id) ``` Its name is exactly `course-<course_id>__assignment-<assignment_id>`. Keep all quiz evidence there: ```text quiz_meta.json readings/ references/ study_notes.md submission.json questions.json questions_simplified.json agent_passes/ final_answers.json answer_log.json attempt-1/ attempt-2/ audit/learning_log.json result.json ``` Read `_private/canvas-inside-app.md` first and select the exact course block. It may contain the course whitelist, recurring quiz scope, instructor framework primer, expected canonical knowledge, human-hours window, rate limit, target score band and retake threshold. If the block is absent, write `error` with `reason_code=missin