diff --git a/backend-java/src/test/java/com/nanri/aiimage/config/ConfigWiringSmokeTest.java b/backend-java/src/test/java/com/nanri/aiimage/config/ConfigWiringSmokeTest.java
new file mode 100644
index 00000000..b6b58b18
--- /dev/null
+++ b/backend-java/src/test/java/com/nanri/aiimage/config/ConfigWiringSmokeTest.java
@@ -0,0 +1,122 @@
+package com.nanri.aiimage.config;
+
+import com.nanri.aiimage.metrics.TaskObservabilityMetrics;
+import org.junit.jupiter.api.Test;
+import org.springframework.context.annotation.AnnotationConfigApplicationContext;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Import;
+import org.springframework.boot.context.properties.EnableConfigurationProperties;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.junit.jupiter.api.Assertions.assertSame;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+/**
+ * 启动冒烟（收尾验证前置）：离线 Spring 装配切片。
+ *
+ * 在真实 Spring 容器里装配模块 10/11 新增的配置组件，验证：@ConfigurationProperties 绑定默认值、
+ * @Component 自动注入、可选 MeterRegistry(ObjectProvider) 路径、@ConfigurationProperties 注册
+ * 均正常——上线前先排除"bean 装配/属性绑定"类启动崩溃。
+ *
+ * 注意：不加载 DataSource/Redis/MinIO 等（会连生产），全量真实启动需在非生产环境执行。
+ */
+class ConfigWiringSmokeTest {
+
+    @Configuration
+    @EnableConfigurationProperties({HttpClientProperties.class, ZiniaoProperties.class,
+            SimilarAsinProperties.class})
+    @Import({LlmHttpConfigResolver.class, BrandCheckHttpConfigResolver.class,
+            ZiniaoHttpConfigResolver.class, ImageDownloadHttpConfigResolver.class,
+            IdempotentRetryGuard.class})
+    static class Slice {
+    }
+
+    private static AnnotationConfigApplicationContext context() {
+        AnnotationConfigApplicationContext ctx = new AnnotationConfigApplicationContext();
+        ctx.register(Slice.class);
+        ctx.refresh();
+        return ctx;
+    }
+
+    @Test
+    void configPropertiesBeansBindable() {
+        try (AnnotationConfigApplicationContext ctx = context()) {
+            HttpClientProperties http = ctx.getBean(HttpClientProperties.class);
+            assertNotNull(http);
+            assertEquals(10_000L, http.effectiveConnectTimeoutMillis(), "命名空间默认 connect 10s 应绑定");
+            assertEquals(3, http.effectiveMaxRetries());
+            assertNotNull(ctx.getBean(ZiniaoProperties.class));
+            assertNotNull(ctx.getBean(SimilarAsinProperties.class));
+        }
+    }
+
+    @Test
+    void resolversAreSpringBeansAndInjectable() {
+        try (AnnotationConfigApplicationContext ctx = context()) {
+            assertNotNull(ctx.getBean(LlmHttpConfigResolver.class));
+            assertNotNull(ctx.getBean(BrandCheckHttpConfigResolver.class));
+            assertNotNull(ctx.getBean(ZiniaoHttpConfigResolver.class));
+            assertNotNull(ctx.getBean(ImageDownloadHttpConfigResolver.class));
+        }
+    }
+
+    @Test
+    void resolversReadBoundConfig() {
+        try (AnnotationConfigApplicationContext ctx = context()) {
+            ZiniaoHttpConfigResolver ziniao = ctx.getBean(ZiniaoHttpConfigResolver.class);
+            // 模块未显式配置 read 秒数(默认 0) → 回退命名空间 60s
+            assertEquals(60_000L, ziniao.readTimeoutMillis());
+            assertEquals(10_000L, ziniao.connectTimeoutMillis());
+            ImageDownloadHttpConfigResolver image = ctx.getBean(ImageDownloadHttpConfigResolver.class);
+            // SimilarAsinProperties.imageDownloadTimeoutSeconds 默认 5s → 模块优先
+            assertEquals(5_000L, image.readTimeoutMillis());
+        }
+    }
+
+    @Test
+    void retryGuardWiresWithOptionalRegistry() {
+        try (AnnotationConfigApplicationContext ctx = context()) {
+            IdempotentRetryGuard guard = ctx.getBean(IdempotentRetryGuard.class);
+            assertNotNull(guard);
+            assertTrue(guard.isIdempotent("GET", false), "GET 应视为幂等");
+            assertEquals(500L, guard.backoffMillis(1), "守卫读取命名空间默认基础退避 500ms");
+        }
+    }
+
+    @Test
+    void observabilityRecorderIsPlainInstantiable() {
+        TaskObservabilityMetrics metrics = new TaskObservabilityMetrics("server-110", null);
+        assertEquals("server-110", metrics.instanceId());
+        // registry=null 时不抛错（无监控栈降级）
+        metrics.taskCreated("similarasin");
+        metrics.fileJobState("similarasin", "success");
+    }
+
+    @Test
+    void containerClosesCleanly() {
+        AnnotationConfigApplicationContext ctx = context();
+        ctx.close();
+        assertTrue(true);
+    }
+
+    @Test
+    void sliceRegistersExactlyExpectedConfigBeans() {
+        try (AnnotationConfigApplicationContext ctx = context()) {
+            String[] names = ctx.getBeanDefinitionNames();
+            assertTrue(names.length >= 8, "装配 bean 数量应充足");
+            assertNotNull(ctx.getBean(HttpClientProperties.class));
+            assertNotNull(ctx.getBean(IdempotentRetryGuard.class));
+        }
+    }
+
+    @Test
+    void defaultPropsMatchSpecBaseline() {
+        try (AnnotationConfigApplicationContext ctx = context()) {
+            HttpClientProperties http = ctx.getBean(HttpClientProperties.class);
+            assertSame(http, ctx.getBean(HttpClientProperties.class), "命名空间属性 bean 单例");
+            assertEquals(90_000L, http.effectiveCallTimeoutMillis());
+            assertEquals(500L, http.getBaseRetryDelayMillis());
+        }
+    }
+}