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-motion.tailwind.js

@@ -0,0 +1,67 @@
+// Tailwind motion preset — generated by designlang (motionlang)
+// Source: https://coulomb.social
+// 2026-08-08T23:30:22.014Z
+//
+// Merge `extend` into your tailwind.config theme.extend, e.g.:
+//   const motion = require('./coulomb.social-motion.tailwind');
+//   module.exports = { theme: { extend: { ...motion.extend } } };
+//
+// Then: <div class="animate-slide-up" /> or `duration-md ease-spring`.
+
+const extend = {
+  "transitionDuration": {
+    "sm": "250ms"
+  },
+  "transitionTimingFunction": {
+    "standard": "cubic-bezier(0.25, 0.1, 0.25, 1)"
+  },
+  "keyframes": {
+    "fade-in": {
+      "0%": {
+        "opacity": "0"
+      },
+      "100%": {
+        "opacity": "1"
+      }
+    },
+    "slide-up": {
+      "0%": {
+        "opacity": "0",
+        "transform": "translateY(16px)"
+      },
+      "100%": {
+        "opacity": "1",
+        "transform": "none"
+      }
+    },
+    "scale-in": {
+      "0%": {
+        "opacity": "0",
+        "transform": "scale(0.96)"
+      },
+      "100%": {
+        "opacity": "1",
+        "transform": "none"
+      }
+    },
+    "pop": {
+      "0%": {
+        "transform": "scale(0.9)"
+      },
+      "60%": {
+        "transform": "scale(1.03)"
+      },
+      "100%": {
+        "transform": "scale(1)"
+      }
+    }
+  },
+  "animation": {
+    "fade-in": "fade-in 250ms var(--tw-ease-standard, cubic-bezier(0.25, 0.1, 0.25, 1)) both",
+    "slide-up": "slide-up 250ms var(--tw-ease-standard, cubic-bezier(0.25, 0.1, 0.25, 1)) both",
+    "scale-in": "scale-in 250ms var(--tw-ease-standard, cubic-bezier(0.25, 0.1, 0.25, 1)) both",
+    "pop": "pop 250ms var(--tw-ease-standard, cubic-bezier(0.25, 0.1, 0.25, 1)) both"
+  }
+};
+
+module.exports = { extend };