- Move GET /shared before GET /{deck_id} so FastAPI matches it correctly
(was being caught by /{deck_id} and failing int parse on "shared")
- Remove duplicate /shared endpoint left after move
- Fix corrupted middot character (U+FFFD) in My Decks card count display
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>