docs: align latest state design with redis only

modules/apps/vehicle-history-app/src/test/java/com/lingniu/ingest/historyapp/MavenModuleProfileTest.java

@@ -132,6 +132,8 @@ class MavenModuleProfileTest {
         String runbook = Files.readString(repositoryRoot()
                 .resolve("docs/operations/gb32960-service-split-runbook.md"));
         String moduleDataFlow = Files.readString(repositoryRoot().resolve("docs/module-data-flow.html"));
+        String redesignSpec = Files.readString(repositoryRoot()
+                .resolve("docs/superpowers/specs/2026-06-29-vehicle-ingest-redesign.md"));
 
         assertThat(runbook)
                 .contains("Session state requires Redis")
@@ -143,6 +145,10 @@ class MavenModuleProfileTest {
                 .contains("SessionStore 仅保留 Redis 后端")
                 .doesNotContain("SessionStore 支持 <code>memory</code>")
                 .doesNotContain("无 Redis 降级");
+        assertThat(redesignSpec)
+                .contains("Reads Redis latest state")
+                .doesNotContain("Redis or in-memory")
+                .doesNotContain("Redis/in-memory");
     }
 
     @Test