Add tracer-bullet Kanban baseline with live issues read path

src/components/shared/chip.tsx

@@ -0,0 +1,23 @@
+import type { ReactNode } from 'react';
+
+interface ChipProps {
+  children: ReactNode;
+}
+
+export function Chip({ children }: ChipProps) {
+  return (
+    <span
+      style={{
+        border: '1px solid #d7dee8',
+        borderRadius: 999,
+        padding: '0.2rem 0.55rem',
+        fontSize: '0.75rem',
+        fontWeight: 600,
+        color: '#1f2a38',
+        background: '#f7fafc',
+      }}
+    >
+      {children}
+    </span>
+  );
+}