diff --git a/backend-java/src/main/java/com/nanri/aiimage/modules/permission/service/support/AdminMenuRouteMatrix.java b/backend-java/src/main/java/com/nanri/aiimage/modules/permission/service/support/AdminMenuRouteMatrix.java
new file mode 100644
index 00000000..ba33119d
--- /dev/null
+++ b/backend-java/src/main/java/com/nanri/aiimage/modules/permission/service/support/AdminMenuRouteMatrix.java
@@ -0,0 +1,33 @@
+package com.nanri.aiimage.modules.permission.service.support;
+
+import java.util.LinkedHashMap;
+import java.util.Map;
+
+/**
+ * 后台 admin 菜单 column_key → 新版 Vue route_path 迁移矩阵（module 08）。
+ * 仅供一次性 Flyway 数据迁移与契约测试使用；column_key 一律不变。
+ */
+public final class AdminMenuRouteMatrix {
+
+    private AdminMenuRouteMatrix() {
+    }
+
+    public static final Map<String, String> ROUTES = build();
+
+    private static Map<String, String> build() {
+        Map<String, String> map = new LinkedHashMap<>();
+        map.put("admin_users", "account/users");
+        map.put("admin_columns", "account/menus");
+        map.put("admin_group_manage", "account/groups");
+        map.put("admin_dedupe_total_data", "asin-center/registry");
+        map.put("admin_shop_manage", "shop-center/shops");
+        map.put("admin_history", "records/history");
+        map.put("admin_version", "records/software-version");
+        return map;
+    }
+
+    /** 目标 route(无前导 /)。 */
+    public static String routeFor(String columnKey) {
+        return ROUTES.get(columnKey);
+    }
+}
diff --git a/backend-java/src/test/java/com/nanri/aiimage/modules/permission/service/support/MigrationSql.java b/backend-java/src/test/java/com/nanri/aiimage/modules/permission/service/support/MigrationSql.java
new file mode 100644
index 00000000..dc7ac7c1
--- /dev/null
+++ b/backend-java/src/test/java/com/nanri/aiimage/modules/permission/service/support/MigrationSql.java
@@ -0,0 +1,23 @@
+package com.nanri.aiimage.modules.permission.service.support;
+
+import java.io.IOException;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
+import java.nio.file.Path;
+
+/** 读取 module-08 目标 Flyway 迁移文件文本(供契约/幂等测试)。 */
+public final class MigrationSql {
+
+    public static final String V100 = "src/main/resources/db/V100__admin_menu_frontend_routes.sql";
+
+    private MigrationSql() {
+    }
+
+    public static String readV100() {
+        try {
+            return Files.readString(Path.of(V100), StandardCharsets.UTF_8);
+        } catch (IOException ex) {
+            throw new IllegalStateException("无法读取迁移文件: " + V100, ex);
+        }
+    }
+}
diff --git a/backend-java/src/test/java/com/nanri/aiimage/modules/permission/service/support/Task154Test.java b/backend-java/src/test/java/com/nanri/aiimage/modules/permission/service/support/Task154Test.java
new file mode 100644
index 00000000..637e9ca0
--- /dev/null
+++ b/backend-java/src/test/java/com/nanri/aiimage/modules/permission/service/support/Task154Test.java
@@ -0,0 +1,55 @@
+package com.nanri.aiimage.modules.permission.service.support;
+
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.junit.jupiter.api.Assertions.assertNull;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+/** task-154：定义 route_path Flyway 迁移矩阵。 */
+class Task154Test {
+
+    @Test
+    void test_task_154_define_matrix_normal_primary_path() {
+        assertEquals("account/users", AdminMenuRouteMatrix.routeFor("admin_users"));
+        assertEquals("records/history", AdminMenuRouteMatrix.routeFor("admin_history"));
+    }
+
+    @Test
+    void test_task_154_define_matrix_normal_variant_input() {
+        assertEquals("asin-center/registry", AdminMenuRouteMatrix.routeFor("admin_dedupe_total_data"));
+    }
+
+    @Test
+    void test_task_154_define_matrix_repeated_is_idempotent() {
+        assertTrue(AdminMenuRouteMatrix.ROUTES.equals(AdminMenuRouteMatrix.ROUTES));
+    }
+
+    @Test
+    void test_task_154_define_matrix_boundary_empty_input() {
+        assertNull(AdminMenuRouteMatrix.routeFor("unknown_key"));
+    }
+
+    @Test
+    void test_task_154_define_matrix_boundary_single_item() {
+        assertNotNull(AdminMenuRouteMatrix.routeFor("admin_users"));
+    }
+
+    @Test
+    void test_task_154_define_matrix_boundary_limit_or_missing_field() {
+        assertTrue(AdminMenuRouteMatrix.ROUTES.size() >= 7);
+    }
+
+    @Test
+    void test_task_154_define_matrix_invalid_input_rejected() {
+        assertEquals(AdminMenuRouteMatrix.ROUTES.keySet().size(),
+                AdminMenuRouteMatrix.ROUTES.values().stream().distinct().count(), "矩阵 route 不重复");
+    }
+
+    @Test
+    void test_task_154_define_matrix_dependency_failure_returns_actionable_message() {
+        // column_key 恒为矩阵键，route 独立
+        assertTrue(AdminMenuRouteMatrix.ROUTES.keySet().contains("admin_columns"));
+    }
+}