Wave-5 reskin batch 5: normalize stray pixel text sizes onto the declared ladder

--text-xxs (10px) joins the ladder; every component-level text-[9|10|11px]
literal in owned components now pulls from the ladder (graph-view.tsx and
home.tsx untouched — graph stream). Cosmetic pins updated where touched.

components/stats-bar.tsx

@@ -48,7 +48,7 @@ export function StatsBar({
 			// (so its transparent gradient area never blocks scrolling) — this row
 			// must re-enable events or every control on it is dead (the model-
 			// control wave caught this live: buttons rendered, clicks never landed).
-			className="pointer-events-auto relative flex items-center justify-between gap-3 px-3 pt-1.5 text-[11px] text-muted-foreground"
+			className="pointer-events-auto relative flex items-center justify-between gap-3 px-3 pt-1.5 text-xs text-muted-foreground"
 		>
 			<button
 				type="button"
@@ -79,7 +79,7 @@ export function StatsBar({
 					data-testid="stats-detail"
 					className="absolute bottom-full left-0 z-40 mb-1.5 w-72 rounded-xl border bg-card p-3 text-xs shadow-xl"
 				>
-					<div className="mb-2 text-[11px] font-medium uppercase tracking-wide text-muted-foreground">
+					<div className="mb-2 text-xs font-medium uppercase tracking-wide text-muted-foreground">
 						Session stats
 					</div>
 					<div className="flex flex-col gap-1 text-muted-foreground">
@@ -102,7 +102,7 @@ export function StatsBar({
 					</div>
 					{turns.length > 0 && (
 						<>
-							<div className="mb-1 mt-2.5 border-t pt-2 text-[11px] font-medium uppercase tracking-wide text-muted-foreground">
+							<div className="mb-1 mt-2.5 border-t pt-2 text-xs font-medium uppercase tracking-wide text-muted-foreground">
 								Turns
 							</div>
 							<ul className="flex max-h-56 flex-col gap-1 overflow-y-auto">