New/extended tests across billboard, dashboard, drama, epic, gameboard,
and lyric to cover previously untested branches: dev_login view, scroll
position endpoints, sky preview error paths, drama to_prose/to_activity
branches, consumer broadcast handlers, tarot deck draw/shuffle, astrology
model __str__, character model, sig reserve/ready/confirm views, natus
preview/save views, and the full tasks.py countdown scheduler.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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