Initial commit of Descrybe v2 without local scratch artifacts.

Drop one-shot tmp/axe scripts and agent i18n scratch so the Gitea tree is deployable.

apps/api/internal/billing/legacy_plan_features.go

@@ -0,0 +1,18 @@
+package billing
+
+// SparseLegacyOverrides returns false overrides for every registry key not on the legacy allow-list.
+// Storing these makes admin UIs show an explicit legacy matrix; resolve also applies DefaultPlanFeatures.
+func SparseLegacyOverrides() map[string]bool {
+	out := make(map[string]bool)
+	for _, k := range FeatureCatalogKeys {
+		if !LegacyFeatureAllowed(k) {
+			out[k] = false
+		}
+	}
+	return out
+}
+
+// featuresMapEmpty reports whether the sparse override map is unset (nil or no keys).
+func featuresMapEmpty(features map[string]bool) bool {
+	return len(features) == 0
+}