fix(breadcrumbs): restore static and viewall label crumb resolution

components/breadcrumbs.js

@@ -94,7 +94,10 @@ const Breadcrumbs = (props) => {
             mySubmittedReps: "Submitted representations"
         };
 
-        return labelsByKey[viewKey] || null;
+        const viewAllLabelResolver = labelsByKey[viewKey];
+        return typeof viewAllLabelResolver === "function"
+            ? viewAllLabelResolver()
+            : viewAllLabelResolver || null;
     };
 
     const getStaticTextCrumbLabel = (path) => {
@@ -116,7 +119,8 @@ const Breadcrumbs = (props) => {
             "/auth/error": () => t("auth:auth-error-signin-error-title")
         };
 
-        return staticTextCrumbByPath[path] || null;
+        const staticTextCrumbResolver = staticTextCrumbByPath[path];
+        return staticTextCrumbResolver ? staticTextCrumbResolver() : null;
     };
 
     const renderMyPortalCrumb = () => (
@@ -175,7 +179,7 @@ const Breadcrumbs = (props) => {
 
     const renderBackCrumb = (
         onClick,
-        listItemClass = "govuk-breadcrumbs__link-item backChevron"
+        listItemClass = "govuk-breadcrumbs__list-item backChevron"
     ) => renderAnchorCrumb("#", t("common:back-link"), onClick, listItemClass);
 
     const renderDnsCaseReferenceCrumbs = (referenceValue) => (

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

@@ -284,6 +284,34 @@ test("breadcrumbs/component composes mapped routes via imported factories and sh
         "Expected breadcrumb JSX to use single mapped route render invocation"
     );
 
+    assert.strictEqual(
+        source.includes("const viewAllLabelResolver = labelsByKey[viewKey];"),
+        true,
+        "Expected view-all label lookup to resolve callable/non-callable map entries"
+    );
+
+    assert.strictEqual(
+        source.includes('return typeof viewAllLabelResolver === "function"'),
+        true,
+        "Expected view-all label resolver to invoke function-backed labels"
+    );
+
+    assert.strictEqual(
+        source.includes(
+            "const staticTextCrumbResolver = staticTextCrumbByPath[path];"
+        ),
+        true,
+        "Expected static text breadcrumb path lookup to resolve a callable label renderer"
+    );
+
+    assert.strictEqual(
+        source.includes(
+            "return staticTextCrumbResolver ? staticTextCrumbResolver() : null;"
+        ),
+        true,
+        "Expected static text breadcrumb resolver to invoke mapped label function"
+    );
+
     assert.strictEqual(
         source.includes('isPath("/myportal/advancedsearchresults")'),
         false,