feat: ship DoC and DoR quality policies (STATE-WP-0076)

Add Intake Definition of Comprehension and work-item Definition of Ready as
hub policies with dashboard edit surfaces, document the Definition family and
DoX-Ok/Failed badge convention, and mark STATE-WP-0076 finished.

dashboard/observablehq.config.js

@@ -56,6 +56,8 @@ export default {
       pages: [
         { name: "Repository DoI",  path: "/policy/repo-doi" },
         { name: "Service DoM",     path: "/policy/service-dom" },
+        { name: "Intake DoC",      path: "/policy/intake-doc" },
+        { name: "Work-item DoR",   path: "/policy/work-item-dor" },
         { name: "Workplan DoD", path: "/policy/workstream-dod" },
       ],
     },