Add tracer-bullet Kanban baseline with live issues read path

src/components/shared/stat-pill.tsx

@@ -0,0 +1,21 @@
+interface StatPillProps {
+  label: string;
+  value: number;
+}
+
+export function StatPill({ label, value }: StatPillProps) {
+  return (
+    <div
+      style={{
+        border: '1px solid #d7dee8',
+        borderRadius: 12,
+        padding: '0.6rem 0.8rem',
+        background: '#ffffff',
+        minWidth: 90,
+      }}
+    >
+      <div style={{ fontSize: '0.7rem', textTransform: 'uppercase', letterSpacing: '0.05em', color: '#5e6b7a' }}>{label}</div>
+      <div style={{ fontSize: '1.05rem', fontWeight: 700, color: '#0f1720' }}>{value}</div>
+    </div>
+  );
+}