Ψ-W2-T1 remediation: scrim the card name over the waveform, hedge two SDK claims, fix a UTF-8-truncation empty-label bug, file the legibility DAW deferral

src/core/ui/card_meta.h

@@ -15,9 +15,13 @@ inline constexpr int kCardStripHeight = 12;
 inline constexpr int kCardStripPad    = 3;
 
 // The strip the card's name line occupies: across the top of the cell, drawn OVER the
-// waveform exactly as the length read-out is drawn over it at the bottom. Empty when the
-// cell has no room for both strips plus a waveform worth looking at — the caller draws
-// nothing rather than burying the card under text.
+// waveform exactly as the length read-out is drawn over it at the bottom, rather than a
+// reserved non-drawing band — kCardStripHeight (12px) is a small slice of the shipping 84px
+// cell, and the overlay matches the bottom read-out's existing convention rather than
+// introducing a second layout rule. The draw site scrims behind the text so it stays legible
+// over the waveform's accent fill (`kCardNameScrimAlpha`, `theme.h`). Empty when the cell has
+// no room for both strips plus a waveform worth looking at — the caller draws nothing rather
+// than burying the card under text.
 Rect cardNameStrip(const Rect& cell);
 
 // Musical length inputs, taken straight off a Sample's capture-time stamp. tempoBpm 0 = unknown;