Three corrections to the Discover album card:
- Overlay meta: the genre is one point larger and bold, and the year
now sits a single line below it (conditional `if` rows with explicit
heights, instead of `visible` toggles that left a phantom gap)
- Award ribbon: width hugs its label (capped at 200px, below the card
width) instead of spanning the full card — it reads as a ribbon again
- Quality badge: extracted to a QualityBadge primitive that reveals
the exact quality ("Hi-Res: 24-bit / 96 kHz") on hover, mirroring the
Tauri QualityBadge; home.rs derives the label from the discover
audio info
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