fix(msgcenter): 代理出站迁 YschOpenCall，修复目标 ctx 签名不剥导致的 UserMsg 401

160 事故：MsgCenterProxyService 走共享 IDHttp 出站，AppSignInterceptor 只剥本应用
base-path(/userbase)，打 usermsg-service:10009/usermsg 时签名路径多 /usermsg 前缀，
UserMsg AppAuthFilter 剥 ctx 后验签不一致 → 401 → 列表/未读/WS 票据全部静默降级空。

修复：改 YschOpenCall 泛化直调（Tier 0），usermsg-base-url 解析为 TargetSpec
(host + /usermsg ctx)，per-target 剥离后签名与服务端对齐；base-url 未配时回落
服务目录 usermsg。新增回归断言：TargetSpec.basePath==/usermsg 且调用 path 为
ctx 裸路径。测试 16/16 绿。

src/main/java/com/yunhai/userhome/service/MsgCenterProxyService.java

@@ -1,8 +1,8 @@
 package com.yunhai.userhome.service;
 
 import com.fasterxml.jackson.databind.JsonNode;
-import com.fasterxml.jackson.databind.ObjectMapper;
+import com.yunhai.platform.openapi.core.TargetSpec;
-import com.yunhai.platform.utils.http.IDHttp;
+import com.yunhai.platform.openapi.core.YschOpenCall;
 import com.yunhai.userhome.config.MsgCenterProperties;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Service;
@@ -15,40 +15,55 @@ import java.util.List;
 import java.util.Map;
 
 /**
- * UserMsg 消息中心签名代理（§3.5 / BP-R3-1）：IDHttp 出站自动签名（yh.app-auth 身份
+ * UserMsg 消息中心签名代理（§3.5 / BP-R3-1）：出站走 {@link YschOpenCall} 泛化签名直调
- * appKey=100001，UserMsg trusted-apps 已含），UserHome 前端不直连 UserMsg。
+ * （Tier 0，per-target base-path 剥离——客户端签名 path ≡ UserMsg requestURI 减 context-path），
+ * UserHome 前端不直连 UserMsg。
  * <ul>
  *   <li>列表/角标：/oapi/msg/list、/oapi/msg/unreadCount、/oapi/msg/todo/list；</li>
  *   <li>已读：/oapi/msg/read、/oapi/msg/readAll（按当前登录人代理，userId 服务端取）；</li>
  *   <li>jumpUrl 改写：jumpType=1 且 jumpPath 非空且 bizType 配了基址 → 基址 + "/#" + jumpPath
  *       （jumpPath 是裸相对路径如 /task/123，各应用落地页是 hash 路由）。</li>
  * </ul>
+ * 2026-09-20 事故修复：原实现用共享 IDHttp 出站，其 AppSignInterceptor 只剥<b>本应用</b>
+ * base-path（/userbase），目标 URL 带 /usermsg ctx 时签名路径多一层前缀 → UserMsg 验签 401，
+ * 列表/角标/票据全部静默降级为空。改 YschOpenCall 后 {@code usermsg-base-url} 解析为
+ * {@link TargetSpec}（host + /usermsg ctx），签名按目标 ctx 剥离，与 AppAuthFilter 对齐。
+ * 目标地址来源：usermsg-base-url 显式配置优先，其次服务目录 usermsg（yh.open.services / 枚举兜底）。
  * UserMsg 不可达时降级空结果（铃铛不 500），恢复后自愈。旧 user_message 本地表链路不动。
  */
 @Slf4j
 @Service
 public class MsgCenterProxyService {
 
-    private final IDHttp http;
+    private static final String TARGET_USERMSG = "usermsg";
-    private final MsgCenterProperties properties;
-    private final ObjectMapper objectMapper;
 
-    public MsgCenterProxyService(IDHttp http, MsgCenterProperties properties, ObjectMapper objectMapper) {
+    private final YschOpenCall openCall;
-        this.http = http;
+    private final MsgCenterProperties properties;
+
+    public MsgCenterProxyService(YschOpenCall openCall, MsgCenterProperties properties) {
+        this.openCall = openCall;
         this.properties = properties;
-        this.objectMapper = objectMapper;
     }
 
     private boolean enabled() {
-        return StringUtils.hasText(properties.getUsermsgBaseUrl());
+        return StringUtils.hasText(properties.getUsermsgBaseUrl()) || openCall.hasTarget(TARGET_USERMSG);
     }
 
-    private String url(String pathAndQuery) {
+    /** 显式 base-url → ad-hoc TargetSpec（path 段即目标 ctx，per-target 签名剥离）；否则按名走服务目录 */
-        String base = properties.getUsermsgBaseUrl().trim();
+    private JsonNode get(String path, Map<String, String> query) {
-        while (base.endsWith("/")) {
+        String base = properties.getUsermsgBaseUrl();
-            base = base.substring(0, base.length() - 1);
+        if (StringUtils.hasText(base)) {
+            return openCall.get(TargetSpec.fromUrl(base.trim()), path, query, JsonNode.class);
         }
-        return base + pathAndQuery;
+        return openCall.get(TARGET_USERMSG, path, query, JsonNode.class);
+    }
+
+    private JsonNode post(String path, Map<String, String> query, Object body) {
+        String base = properties.getUsermsgBaseUrl();
+        if (StringUtils.hasText(base)) {
+            return openCall.post(TargetSpec.fromUrl(base.trim()), path, query, body, JsonNode.class);
+        }
+        return openCall.post(TARGET_USERMSG, path, query, body, JsonNode.class);
     }
 
     /** 消息分页列表（已过滤删除/过期）：{total, list[]}，元素含改写后的 jumpUrl */
@@ -58,10 +73,12 @@ public class MsgCenterProxyService {
             return empty;
         }
         try {
-            JsonNode data = http.get(url("/oapi/msg/list?userId=" + userId
+            Map<String, String> query = new LinkedHashMap<>();
-                    + "&pageIndex=" + (pageIndex == null || pageIndex < 1 ? 1 : pageIndex)
+            query.put("userId", String.valueOf(userId));
-                    + "&pageSize=" + (pageSize == null || pageSize < 1 ? 10 : Math.min(pageSize, 100))
+            query.put("pageIndex", String.valueOf(pageIndex == null || pageIndex < 1 ? 1 : pageIndex));
-                    + "&onlyUnread=" + Boolean.TRUE.equals(onlyUnread)), JsonNode.class);
+            query.put("pageSize", String.valueOf(pageSize == null || pageSize < 1 ? 10 : Math.min(pageSize, 100)));
+            query.put("onlyUnread", String.valueOf(Boolean.TRUE.equals(onlyUnread)));
+            JsonNode data = get("/oapi/msg/list", query);
             List<Map<String, Object>> rows = new ArrayList<>();
             if (data != null && data.path("content").isArray()) {
                 for (JsonNode row : data.get("content")) {
@@ -87,14 +104,20 @@ public class MsgCenterProxyService {
             return out;
         }
         try {
-            JsonNode unread = http.get(url("/oapi/msg/unreadCount?userId=" + userId), JsonNode.class);
+            Map<String, String> q = new LinkedHashMap<>();
+            q.put("userId", String.valueOf(userId));
+            JsonNode unread = get("/oapi/msg/unreadCount", q);
             out.put("unreadCount", unread == null || !unread.isNumber() ? 0L : unread.asLong());
         } catch (Exception e) {
             log.warn("[msgcenter] UserMsg 未读数不可达（降级 0）userId={}：{}", userId, e.toString());
         }
         try {
-            JsonNode todos = http.get(url("/oapi/msg/todo/list?userId=" + userId
+            Map<String, String> q = new LinkedHashMap<>();
-                    + (schId == null ? "" : "&schId=" + schId)), JsonNode.class);
+            q.put("userId", String.valueOf(userId));
+            if (schId != null) {
+                q.put("schId", String.valueOf(schId));
+            }
+            JsonNode todos = get("/oapi/msg/todo/list", q);
             List<Map<String, Object>> rows = new ArrayList<>();
             if (todos != null && todos.isArray()) {
                 for (JsonNode t : todos) {
@@ -119,7 +142,7 @@ public class MsgCenterProxyService {
         Map<String, Object> body = new HashMap<>();
         body.put("msgIds", msgIds);
         body.put("userId", userId);
-        http.post(url("/oapi/msg/read"), body, JsonNode.class);
+        post("/oapi/msg/read", new HashMap<>(), body);
     }
 
     /** 全部已读 */
@@ -129,7 +152,7 @@ public class MsgCenterProxyService {
         }
         Map<String, Object> body = new HashMap<>();
         body.put("userId", userId);
-        http.post(url("/oapi/msg/readAll"), body, JsonNode.class);
+        post("/oapi/msg/readAll", new HashMap<>(), body);
     }
 
     /**
@@ -143,7 +166,7 @@ public class MsgCenterProxyService {
         try {
             Map<String, Object> body = new HashMap<>();
             body.put("userId", userId);
-            JsonNode data = http.post(url("/oapi/msg/ws/ticket"), body, JsonNode.class);
+            JsonNode data = post("/oapi/msg/ws/ticket", new HashMap<>(), body);
             String ticket = data == null || !data.hasNonNull("ticket") ? null : data.get("ticket").asText();
             if (!StringUtils.hasText(ticket)) {
                 return null;

src/test/java/com/yunhai/userhome/service/MsgCenterProxyServiceTest.java

@@ -1,22 +1,24 @@
 package com.yunhai.userhome.service;
 
+import com.fasterxml.jackson.databind.JsonNode;
 import com.fasterxml.jackson.databind.ObjectMapper;
-import com.yunhai.platform.http.DHttpException;
+import com.yunhai.platform.openapi.core.OpenApiException;
-import com.yunhai.platform.utils.http.IDHttp;
+import com.yunhai.platform.openapi.core.TargetSpec;
+import com.yunhai.platform.openapi.core.YschOpenCall;
 import com.yunhai.userhome.config.MsgCenterProperties;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.DisplayName;
 import org.junit.jupiter.api.Test;
+import org.mockito.ArgumentCaptor;
 
 import java.util.HashMap;
 import java.util.Map;
 
 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.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.anyMap;
 import static org.mockito.ArgumentMatchers.anyString;
-import static org.mockito.ArgumentMatchers.contains;
 import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.never;
@@ -28,31 +30,53 @@ import static org.mockito.Mockito.when;
  * （list 信封 {total,content[]} / unreadCount 裸数字 / todo list 数组）与
  * jumpUrl 改写规则（jumpType=1 + bizType 命中基址 → 基址 + "/#" + jumpPath）。
  * UserMsg 不可达降级空结果（铃铛不 500）。
+ * <p>
+ * 出站通道 2026-09-20 起由 IDHttp 换 YschOpenCall（泛化签名直调，Tier 0）：
+ * 160 事故根因 = IDHttp 共享签名拦截器只剥本应用 base-path，目标带 ctx（/usermsg）时
+ * 签名路径多一层前缀 → UserMsg AppAuthFilter 401。回归断言：TargetSpec 从
+ * usermsg-base-url 解析出 basePath=/usermsg（per-target 剥离），调用 path 为 ctx 裸路径。
  */
-@DisplayName("MsgCenterProxyService - UserMsg 代理与 jumpUrl 改写")
+@DisplayName("MsgCenterProxyService - YschOpenCall 代理与 jumpUrl 改写")
 class MsgCenterProxyServiceTest {
 
-    private IDHttp http;
+    /** 160 生产形态的 UserMsg 直连地址（含目标 context-path） */
+    private static final String PROD_BASE_URL = "http://usermsg-service:10009/usermsg";
+
+    private YschOpenCall openCall;
     private MsgCenterProperties properties;
     private MsgCenterProxyService service;
 
     @BeforeEach
     void setUp() {
-        http = mock(IDHttp.class);
+        openCall = mock(YschOpenCall.class);
         properties = new MsgCenterProperties();
-        properties.setUsermsgBaseUrl("http://localhost:8080");
+        properties.setUsermsgBaseUrl(PROD_BASE_URL);
         properties.getJumpBases().put("flow.task", "http://localhost:8088/");
-        service = new MsgCenterProxyService(http, properties, new ObjectMapper());
+        service = new MsgCenterProxyService(openCall, properties);
     }
 
-    private static com.fasterxml.jackson.databind.JsonNode json(String s) throws Exception {
+    private static JsonNode json(String s) throws Exception {
         return new ObjectMapper().readTree(s);
     }
 
     @Test
-    void list_rewritesJumpUrlForFlowTask() throws Exception {
+    void list_targetSpecStripsUsermsgCtx_forPerTargetSign() {
+        // 160 回归：签名剥离的载体是 TargetSpec.basePath，必须等于 /usermsg
+        when(openCall.get(any(TargetSpec.class), eq("/oapi/msg/list"), anyMap(), eq(JsonNode.class)))
+                .thenReturn(null);
+
+        service.list(201, 1, 10, null);
+
+        ArgumentCaptor<TargetSpec> spec = ArgumentCaptor.forClass(TargetSpec.class);
+        verify(openCall).get(spec.capture(), eq("/oapi/msg/list"), anyMap(), eq(JsonNode.class));
+        assertEquals("http://usermsg-service:10009", spec.getValue().getBaseHost());
+        assertEquals("/usermsg", spec.getValue().getBasePath(), "basePath=目标 ctx，AppSignInterceptor 据此剥离后签名");
+    }
+
+    @Test
+    void list_buildsQueryParams_andRewritesJumpUrl() throws Exception {
         properties.getAppNames().put("100617", "通知公告");
-        when(http.get(contains("/oapi/msg/list?userId=201"), eq(com.fasterxml.jackson.databind.JsonNode.class)))
+        when(openCall.get(any(TargetSpec.class), eq("/oapi/msg/list"), anyMap(), eq(JsonNode.class)))
                 .thenReturn(json("{\"total\":2,\"content\":["
                         + "{\"msgId\":1,\"title\":\"新待办\",\"content\":\"您有新的审批任务\",\"msgType\":2,"
                         + "\"jumpType\":1,\"jumpPath\":\"/task/123\",\"appKey\":\"100019\",\"bizType\":\"flow.task\","
@@ -60,7 +84,16 @@ class MsgCenterProxyServiceTest {
                         + "{\"msgId\":2,\"title\":\"无跳转\",\"content\":\"系统通知\",\"msgType\":0,"
                         + "\"jumpType\":0,\"jumpPath\":null,\"bizType\":null,\"isRead\":1}]}"));
 
-        Map<String, Object> out = service.list(201, 1, 10, null);
+        Map<String, Object> out = service.list(201, 2, 20, Boolean.TRUE);
+
+        @SuppressWarnings("unchecked")
+        ArgumentCaptor<Map<String, String>> query = ArgumentCaptor.forClass(Map.class);
+        verify(openCall).get(any(TargetSpec.class), eq("/oapi/msg/list"), query.capture(), eq(JsonNode.class));
+        assertEquals("201", query.getValue().get("userId"));
+        assertEquals("2", query.getValue().get("pageIndex"));
+        assertEquals("20", query.getValue().get("pageSize"));
+        assertEquals("true", query.getValue().get("onlyUnread"));
+
         assertEquals(2, out.get("total"));
         java.util.List<?> rows = (java.util.List<?>) out.get("list");
         Map<?, ?> first = (Map<?, ?>) rows.get(0);
@@ -70,10 +103,23 @@ class MsgCenterProxyServiceTest {
         assertNull(((Map<?, ?>) rows.get(1)).get("jumpUrl"), "非应用内跳转不改写");
     }
 
+    @Test
+    void list_defaultsPageParams() {
+        when(openCall.get(any(TargetSpec.class), eq("/oapi/msg/list"), anyMap(), eq(JsonNode.class)))
+                .thenReturn(null);
+        service.list(201, 0, 999, null);
+        @SuppressWarnings("unchecked")
+        ArgumentCaptor<Map<String, String>> query = ArgumentCaptor.forClass(Map.class);
+        verify(openCall).get(any(TargetSpec.class), eq("/oapi/msg/list"), query.capture(), eq(JsonNode.class));
+        assertEquals("1", query.getValue().get("pageIndex"), "非法页码回退 1");
+        assertEquals("100", query.getValue().get("pageSize"), "页长上限 100");
+        assertEquals("false", query.getValue().get("onlyUnread"));
+    }
+
     @Test
     void list_appNameMappedFromAppKey() throws Exception {
         properties.getAppNames().put("100617", "通知公告");
-        when(http.get(contains("/oapi/msg/list"), eq(com.fasterxml.jackson.databind.JsonNode.class)))
+        when(openCall.get(any(TargetSpec.class), eq("/oapi/msg/list"), anyMap(), eq(JsonNode.class)))
                 .thenReturn(json("{\"total\":1,\"content\":[{\"msgId\":1,\"title\":\"通知公告\","
                         + "\"content\":\"您有一条通知\",\"msgType\":0,\"appKey\":\"100617\",\"isRead\":0}]}"));
         Map<String, Object> out = service.list(201, 1, 10, null);
@@ -81,34 +127,10 @@ class MsgCenterProxyServiceTest {
         assertEquals("通知公告", first.get("appName"), "appKey 命中映射补应用名");
     }
 
-    @Test
-    void wsTicket_returnsUrlWithTicket() throws Exception {
-        properties.setUsermsgWsUrl("ws://localhost:8080/ws/msg");
-        when(http.post(contains("/oapi/msg/ws/ticket"), any(Map.class), eq(com.fasterxml.jackson.databind.JsonNode.class)))
-                .thenReturn(json("{\"ticket\":\"abc123ticket\",\"expiresIn\":60}"));
-        String url = service.createWsTicket(201);
-        assertEquals("ws://localhost:8080/ws/msg?ticket=abc123ticket", url);
-    }
-
-    @Test
-    void wsTicket_wsUrlNotConfigured_nullWithoutOutbound() {
-        properties.setUsermsgWsUrl("");
-        assertNull(service.createWsTicket(201));
-        verify(http, never()).post(anyString(), any(), any());
-    }
-
-    @Test
-    void wsTicket_userMsgDown_degradesNull() {
-        properties.setUsermsgWsUrl("ws://localhost:8080/ws/msg");
-        when(http.post(contains("/oapi/msg/ws/ticket"), any(Map.class), eq(com.fasterxml.jackson.databind.JsonNode.class)))
-                .thenThrow(new DHttpException("down", 0));
-        assertNull(service.createWsTicket(201), "票据失败降级 null，前端不建立长连接");
-    }
-
     @Test
     void list_noBaseConfigured_jumpUrlNull() throws Exception {
         properties.getJumpBases().clear();
-        when(http.get(contains("/oapi/msg/list"), eq(com.fasterxml.jackson.databind.JsonNode.class)))
+        when(openCall.get(any(TargetSpec.class), eq("/oapi/msg/list"), anyMap(), eq(JsonNode.class)))
                 .thenReturn(json("{\"total\":1,\"content\":[{\"msgId\":1,\"jumpType\":1,"
                         + "\"jumpPath\":\"/task/9\",\"bizType\":\"flow.task\",\"isRead\":0}]}"));
         Map<String, Object> out = service.list(201, 1, 10, null);
@@ -118,18 +140,44 @@ class MsgCenterProxyServiceTest {
 
     @Test
     void list_userMsgDown_degradesToEmpty() {
-        when(http.get(contains("/oapi/msg/list"), eq(com.fasterxml.jackson.databind.JsonNode.class)))
+        when(openCall.get(any(TargetSpec.class), eq("/oapi/msg/list"), anyMap(), eq(JsonNode.class)))
-                .thenThrow(new DHttpException("DHttp request failed", 0));
+                .thenThrow(new OpenApiException("OpenAPI request failed: httpStatus=401"));
         Map<String, Object> out = service.list(201, 1, 10, null);
         assertEquals(0, out.get("total"));
         assertEquals(0, ((java.util.List<?>) out.get("list")).size());
     }
 
+    @Test
+    void wsTicket_returnsUrlWithTicket() throws Exception {
+        properties.setUsermsgWsUrl("ws://base.yunhaixingtong.com/usermsg/ws/msg");
+        when(openCall.post(any(TargetSpec.class), eq("/oapi/msg/ws/ticket"), anyMap(), any(Map.class),
+                eq(JsonNode.class)))
+                .thenReturn(json("{\"ticket\":\"abc123ticket\",\"expiresIn\":60}"));
+        String url = service.createWsTicket(201);
+        assertEquals("ws://base.yunhaixingtong.com/usermsg/ws/msg?ticket=abc123ticket", url);
+    }
+
+    @Test
+    void wsTicket_wsUrlNotConfigured_nullWithoutOutbound() {
+        properties.setUsermsgWsUrl("");
+        assertNull(service.createWsTicket(201));
+        verify(openCall, never()).post(any(TargetSpec.class), anyString(), anyMap(), any(), any());
+    }
+
+    @Test
+    void wsTicket_userMsgDown_degradesNull() {
+        properties.setUsermsgWsUrl("ws://localhost:8080/ws/msg");
+        when(openCall.post(any(TargetSpec.class), eq("/oapi/msg/ws/ticket"), anyMap(), any(Map.class),
+                eq(JsonNode.class)))
+                .thenThrow(new OpenApiException("OpenAPI request failed: httpStatus=401"));
+        assertNull(service.createWsTicket(201), "票据失败降级 null，前端不建立长连接");
+    }
+
     @Test
     void summary_combinesUnreadAndTodos_withPerCallDegrade() throws Exception {
-        when(http.get(contains("/oapi/msg/unreadCount"), eq(com.fasterxml.jackson.databind.JsonNode.class)))
+        when(openCall.get(any(TargetSpec.class), eq("/oapi/msg/unreadCount"), anyMap(), eq(JsonNode.class)))
                 .thenReturn(json("3"));
-        when(http.get(contains("/oapi/msg/todo/list"), eq(com.fasterxml.jackson.databind.JsonNode.class)))
+        when(openCall.get(any(TargetSpec.class), eq("/oapi/msg/todo/list"), anyMap(), eq(JsonNode.class)))
                 .thenReturn(json("[{\"appKey\":\"100019\",\"count\":2}]"));
 
         Map<String, Object> out = service.summary(201, 1);
@@ -137,8 +185,8 @@ class MsgCenterProxyServiceTest {
         assertEquals(1, ((java.util.List<?>) out.get("todos")).size());
 
         // 未读数不可达单独降级为 0，待办仍可用
-        when(http.get(contains("/oapi/msg/unreadCount"), eq(com.fasterxml.jackson.databind.JsonNode.class)))
+        when(openCall.get(any(TargetSpec.class), eq("/oapi/msg/unreadCount"), anyMap(), eq(JsonNode.class)))
-                .thenThrow(new DHttpException("down", 0));
+                .thenThrow(new OpenApiException("down"));
         Map<String, Object> out2 = service.summary(201, 1);
         assertEquals(0L, out2.get("unreadCount"));
         assertEquals(1, ((java.util.List<?>) out2.get("todos")).size());
@@ -147,23 +195,60 @@ class MsgCenterProxyServiceTest {
     @Test
     void read_sendsOwnerScopedPayload() {
         service.read(201, java.util.Collections.singletonList(7L));
-        verify(http).post(contains("/oapi/msg/read"), any(Map.class), eq(com.fasterxml.jackson.databind.JsonNode.class));
+        verify(openCall).post(any(TargetSpec.class), eq("/oapi/msg/read"), anyMap(), any(Map.class),
+                eq(JsonNode.class));
     }
 
     @Test
     void disabled_degradesWithoutOutbound() {
         properties.setUsermsgBaseUrl("");
+        when(openCall.hasTarget("usermsg")).thenReturn(false);
         assertEquals(0, service.list(201, 1, 10, null).get("total"));
         service.read(201, java.util.Collections.singletonList(7L));
-        verify(http, never()).get(anyString(), any());
+        verify(openCall, never()).get(any(TargetSpec.class), anyString(), anyMap(), any());
-        verify(http, never()).post(anyString(), any(), any());
+        verify(openCall, never()).post(any(TargetSpec.class), anyString(), anyMap(), any(), any());
+    }
+
+    @Test
+    void disabled_fallsBackToDirectoryTarget_whenBaseUrlBlank() throws Exception {
+        // base-url 未配但服务目录有 usermsg（平台公共配置形态）：按名调用仍可用
+        properties.setUsermsgBaseUrl("");
+        when(openCall.hasTarget("usermsg")).thenReturn(true);
+        when(openCall.get(eq("usermsg"), eq("/oapi/msg/unreadCount"), anyMap(), eq(JsonNode.class)))
+                .thenReturn(json("5"));
+        Map<String, Object> out = service.summary(201, null);
+        assertEquals(5L, out.get("unreadCount"));
     }
 
     @Test
     void summary_disabled_degradesToZero() {
         properties.setUsermsgBaseUrl("");
+        when(openCall.hasTarget("usermsg")).thenReturn(false);
         Map<String, Object> out = service.summary(201, 1);
         assertEquals(0L, out.get("unreadCount"));
         assertEquals(0, ((java.util.List<?>) out.get("todos")).size());
     }
+
+    @Test
+    void summary_todoQueryIncludesSchIdOnly_whenNotNull() throws Exception {
+        when(openCall.get(any(TargetSpec.class), eq("/oapi/msg/unreadCount"), anyMap(), eq(JsonNode.class)))
+                .thenReturn(json("0"));
+        when(openCall.get(any(TargetSpec.class), eq("/oapi/msg/todo/list"), anyMap(), eq(JsonNode.class)))
+                .thenReturn(json("[]"));
+        service.summary(201, null);
+        service.summary(201, 3);
+        @SuppressWarnings("unchecked")
+        ArgumentCaptor<Map<String, String>> query = ArgumentCaptor.forClass(Map.class);
+        verify(openCall, org.mockito.Mockito.times(2))
+                .get(any(TargetSpec.class), eq("/oapi/msg/todo/list"), query.capture(), eq(JsonNode.class));
+        assertEquals(1, query.getAllValues().get(0).size(), "schId=null 不下发该参数");
+        assertEquals("3", query.getAllValues().get(1).get("schId"));
+    }
+
+    @Test
+    void malformedBaseUrl_disabledNotCrash() {
+        properties.setUsermsgBaseUrl("::::not-a-url");
+        Map<String, Object> out = service.summary(201, 1);
+        assertEquals(0L, out.get("unreadCount"), "非法 base-url 降级而非抛出");
+    }
 }