T12a Data Display: badges, tags, avatars, statistics (review pending: codex 401)

src/data_display/mod.rs

@@ -0,0 +1,7 @@
+mod avatar;
+mod badge;
+mod stat;
+
+pub use avatar::{Avatar, AvatarGroup, Presence, UserChip};
+pub use badge::{Badge, CountBadge, DotBadge, Tag, Tone};
+pub use stat::{KpiCard, Statistic, TrendIndicator};