Case 92 Notes PDF Export Fixture
Note #18 for Case92 Owner Private Lesson
Owner private note fixture: includes safe fake PII/token context for generated PDF filename and download access testing.
Note #19 for Case92 Same Parent Lesson
Same-parent student note fixture: should not be downloadable by owner unless authorized.
Note #20 for Case92 Unrelated Lesson
Unrelated student note fixture: negative control for direct object access/token reuse checks.