Add audit issue navigation and task-button normalization to Self-Serve Studio. Implement node ID resolution, audit visualization logic, and reusable task button helpers. Extend E2E and unit tests.

tests/unit/self-serve-try-modal.spec.js

@@ -191,7 +191,7 @@ describe("SelfServeTryModal", () => {
     mocks.activeTasks.value = [
       {
         id: 1,
-        buttons: [0, 2, 2, -1, 99],
+        buttons: ["reset", 0, 2, 2, "start", -1, 99],
         dynamic_images_vehicle_type: 5,
       },
     ];
@@ -221,7 +221,7 @@ describe("SelfServeTryModal", () => {
     expect(imageUrl.searchParams.get("current_step")).toBe("0");
     expect(imageUrl.searchParams.get("vehicle_type")).toBe("3");
     expect(imageUrl.searchParams.get("thumb_position")).toBe("5");
-    expect(JSON.parse(imageUrl.searchParams.get("buttons"))).toEqual([0, 2]);
+    expect(JSON.parse(imageUrl.searchParams.get("buttons"))).toEqual(["reset", 0, 2, "start"]);
   });
 
   it("does not render dynamic image preview without dynamic-image context", async () => {