ventures: launch roll-credits

ventures/ventures.json

@@ -494,8 +494,11 @@
    "design": "product-first: the tool fills the first screen and the look follows the product",
    "version": 1,
    "planned": "2026-10-18",
-   "status": "building",
-   "signups": 0
+   "status": "live",
+   "signups": 0,
+   "launched": "2026-10-18",
+   "source": "time",
+   "hosting": "pages"
   }
  ],
  "refreshed": "2026-10-18"