diff --git a/docs/superpowers/specs/2026-06-29-vehicle-ingest-redesign.md b/docs/superpowers/specs/2026-06-29-vehicle-ingest-redesign.md
index 801dab60..531c4f37 100644
--- a/docs/superpowers/specs/2026-06-29-vehicle-ingest-redesign.md
+++ b/docs/superpowers/specs/2026-06-29-vehicle-ingest-redesign.md
@@ -433,7 +433,7 @@ Realtime APIs:
 Realtime state APIs:
 
 - `GET /api/realtime/vehicles/{vehicleKey}`
-- Reads Redis or in-memory latest state, not TDengine.
+- Reads Redis latest state, not TDengine.
 
 Export:
 
@@ -486,7 +486,7 @@ Read path:
 
 - Most high-QPS queries require vehicle key and time range.
 - Unbounded cross-vehicle queries are admin-only and capped.
-- Realtime latest state is served from Redis/in-memory state.
+- Realtime latest state is served from Redis latest-state cache.
 - Raw detail replay reads one raw object and decodes on demand.
 - Common dictionary and metadata responses are cached in memory.
 
diff --git a/modules/apps/vehicle-history-app/src/test/java/com/lingniu/ingest/historyapp/MavenModuleProfileTest.java b/modules/apps/vehicle-history-app/src/test/java/com/lingniu/ingest/historyapp/MavenModuleProfileTest.java
index f15006eb..3471a523 100644
--- a/modules/apps/vehicle-history-app/src/test/java/com/lingniu/ingest/historyapp/MavenModuleProfileTest.java
+++ b/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