Extract authenticated coulomb.social design language via designlang

Session probe lands on /vw_pages (Research). Use main designlang extract
with --cookie-file — pack ignores auth. 39 artifacts under
docs/design-extract; tolerate designlang late summary crash when cores exist.

docs/design-extract/coulomb-social-anatomy.tsx

@@ -0,0 +1,15 @@
+// Auto-generated by designlang — component anatomy v2.
+// Scaffolds. Wire into your token system; not a runtime library.
+
+import * as React from 'react';
+
+export interface ButtonProps {
+  variant?: 'default';
+  size?: 'md';
+  leadingIcon?: React.ReactNode;
+  children?: React.ReactNode;
+}
+
+export function Button({ variant = 'default', size = 'md', ...rest }: ButtonProps) {
+  return React.createElement('button', { 'data-variant': variant, 'data-size': size, ...rest });
+}