ci: avoid rerunning gateway lib tests

.github/workflows/rust-ci.yml

@@ -292,9 +292,12 @@ jobs:
       - name: Test bins
         run: cargo nextest run -p aether-gateway --bins
 
-      # 架构守卫（独立轻量 target）+ 此前未执行的未签名身份头安全用例
+      # 只运行独立 integration targets；显式列出目标，避免 --tests 再次执行 lib/bin 测试。
       - name: Test integration targets
-        run: cargo nextest run -p aether-gateway --tests
+        run: >-
+          cargo nextest run -p aether-gateway
+          --test admin_unsigned_identity_headers
+          --test architecture_guard
 
       - name: Show sccache stats
         if: always()