Reading Library 4.9.2 — QA / test notes

PASS: JavaScript parses using Node 22 --check.
PASS: Browser DOM smoke using installed Chromium and in-memory local assets; no page exceptions.
PASS: Home renders.
PASS: Discover displays the bundled 783-resource catalogue.
PASS: Discover Free displays 103 items, 48 per page.
PASS: Free price badges render on all 48 first-page cards.
PASS: Switching to Free clears a prior search and restores 103 results.
PASS: Custom query can still filter the free results.
PASS: YouTube panel exists, channel link and channel video-page link both target the configured channel.
PASS: Topic channel-search links render for Reading, Science, History, Writing and Vocabulary.
PASS: Simulated live catalogue with zero free listings still returns 103 bundled free items.
PASS: Simulated live catalogue with one extra free listing returns 104.
PASS: Explicit paid reclassification can remove a previously free listing.
PASS: Simulated individual video entry renders a watch-video card. No individual IDs are shipped.

LIMITS: YouTube/TPT external pages could not be fully tested live in the restricted test environment.
STATUS: No changes made to resource imports, assessments, Reading Studio, or the teacher/pupil data model.
