PRVI GMM epistemic uncertainty

src/main/java/gov/usgs/earthquake/nshmp/gmm/UsgsPrviBackbone2025.java

@@ -184,7 +184,7 @@ public abstract class UsgsPrviBackbone2025 implements GroundMotionModel {
   /* PRVI 2025 Active Crust */
   static class ActiveCrust extends UsgsPrviBackbone2025 {
 
-    static final String NAME = UsgsPrviBackbone2025.NAME + ": Active Crust";
+    static final String NAME = UsgsPrviBackbone2025.NAME + " : Active Crust";
     static final Constraints CONSTRAINTS = AbrahamsonEtAl_2014.CONSTRAINTS;
 
     static final Map<Gmm, Double> GMM_MAP = Map.of(
@@ -281,7 +281,7 @@ public abstract class UsgsPrviBackbone2025 implements GroundMotionModel {
   /* PRVI 2025 Subduction Interface */
   static class Interface extends UsgsPrviBackbone2025 {
 
-    static final String NAME = UsgsPrviBackbone2025.NAME + ":" + INTERFACE;
+    static final String NAME = UsgsPrviBackbone2025.NAME + " : " + INTERFACE;
     static final Constraints CONSTRAINTS = AbrahamsonGulerce_2020.CONSTRAINTS_INTERFACE;
 
     static final Map<Gmm, Double> GMM_MAP = Map.of(
@@ -356,7 +356,7 @@ public abstract class UsgsPrviBackbone2025 implements GroundMotionModel {
   /* PRVI 2025 Subduction Intraslab */
   static class Slab extends UsgsPrviBackbone2025 {
 
-    static final String NAME = UsgsPrviBackbone2025.NAME + ":" + SLAB;
+    static final String NAME = UsgsPrviBackbone2025.NAME + " : " + SLAB;
     static final Constraints CONSTRAINTS = AbrahamsonGulerce_2020.CONSTRAINTS_SLAB;
 
     static final Map<Gmm, Double> GMM_MAP = Map.of(
@@ -443,10 +443,10 @@ public abstract class UsgsPrviBackbone2025 implements GroundMotionModel {
 
     LogicTree.Builder<GroundMotion> tree = LogicTree.builder("gmm-tree-prvi-" + name);
     for (Branch<GroundMotion> b : base) {
-      tree.addBranch(MODEL_BASE_ID + " : " + b.id(), b.value(), b.weight() * 0.5);
+      tree.addBranch(MODEL_BASE_ID + "-" + b.id(), b.value(), b.weight() * 0.5);
     }
     for (Branch<GroundMotion> b : adj) {
-      tree.addBranch(MODEL_ADJUST_ID + " : " + b.id(), b.value(), b.weight() * 0.5);
+      tree.addBranch(MODEL_ADJUST_ID + "-" + b.id(), b.value(), b.weight() * 0.5);
     }
     return tree.build();
   }