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-tokens-shared.json

@@ -0,0 +1,92 @@
+{
+  "primitive": {
+    "color": {
+      "neutral": {
+        "n100": {
+          "$value": "#000000"
+        }
+      },
+      "background": {
+        "bg0": {
+          "$value": "#ffffff"
+        }
+      },
+      "text": {
+        "text0": {
+          "$value": "#000000"
+        },
+        "text1": {
+          "$value": "#171717"
+        }
+      }
+    },
+    "spacing": {
+      "s0": {
+        "$value": "1px"
+      }
+    },
+    "radius": {
+      "r0": {
+        "$value": "4px"
+      },
+      "r1": {
+        "$value": "8px"
+      },
+      "r2": {
+        "$value": "12px"
+      }
+    },
+    "shadow": {
+      "sh0": {
+        "$value": "rgb(170, 170, 170) 2px 2px 4px 0px"
+      },
+      "sh1": {
+        "$value": "rgba(23, 23, 23, 0.1) 2px 2px 8px 2px"
+      }
+    },
+    "fontFamily": {
+      "f0": {
+        "$value": "Helvetica"
+      }
+    }
+  },
+  "semantic": {
+    "color": {
+      "action": {
+        "primary": {
+          "$value": "{primitive.color.brand.primary}"
+        }
+      },
+      "surface": {
+        "default": {
+          "$value": "{primitive.color.background.bg0}"
+        }
+      },
+      "text": {
+        "body": {
+          "$value": "{primitive.color.text.text0}"
+        }
+      }
+    },
+    "typography": {
+      "body": {
+        "$value": {
+          "fontFamily": "Helvetica",
+          "fontSize": "50px",
+          "fontWeight": "400",
+          "lineHeight": "50px"
+        }
+      }
+    },
+    "radius": {
+      "control": {
+        "$value": "{primitive.radius.r0}"
+      }
+    },
+    "shadow": {
+      "elevated": {
+        "$value": "{primitive.shadow.sh0}"
+      }
+    }
+  }
+}