22541 unify breadcrumb mapped-route resolver and widen route-map coverage

tests/phase22/breadcrumbs-route-map-structure.test.cjs

@@ -30,6 +30,42 @@ test("breadcrumbs/simple-link-text map includes address and advanced search resu
         true,
         "Expected /advancedsearchresults to be mapped in getSimpleLinkTextPairRenderer"
     );
+
+    assert.strictEqual(
+        source.includes('"/myportal/searchresults": () => ('),
+        true,
+        "Expected /myportal/searchresults to be mapped in getSimpleMyPortalRouteRenderer"
+    );
+
+    assert.strictEqual(
+        source.includes('"/myportal/viewall": () =>'),
+        true,
+        "Expected /myportal/viewall to be mapped in getSimpleMyPortalRouteRenderer"
+    );
+});
+
+test("breadcrumbs/merged resolver renders mapped routes through single helper invocation", async () => {
+    const source = loadBreadcrumbSource();
+
+    assert.strictEqual(
+        source.includes("const resolveMappedRouteRenderer = (path) =>"),
+        true,
+        "Expected unified mapped route resolver helper to exist"
+    );
+
+    assert.strictEqual(
+        source.includes(
+            "const renderMappedRoute = (path, resolver = resolveMappedRouteRenderer) =>"
+        ),
+        true,
+        "Expected reusable renderMappedRoute helper to exist"
+    );
+
+    assert.strictEqual(
+        source.includes("{renderMappedRoute(pathname)}"),
+        true,
+        "Expected breadcrumb JSX to use single mapped route render invocation"
+    );
 });
 
 test("breadcrumbs/dynamic callback branch remains explicit for myportal case incident route", async () => {