fix: harden production chat runtime

android/app/src/test/java/com/hyzq/boss/ProjectDetailActivityUiTest.java

@@ -353,6 +353,45 @@ public class ProjectDetailActivityUiTest {
         assertEquals("group-1", nextIntent.getStringExtra(GroupInfoActivity.EXTRA_PROJECT_ID));
     }
 
+    @Test
+    public void applyDispatchPlanActionResponseClearsPendingPlanAndTracksApprovalState() throws Exception {
+        Intent intent = new Intent()
+                .putExtra(ProjectDetailActivity.EXTRA_PROJECT_ID, "group-1")
+                .putExtra(ProjectDetailActivity.EXTRA_PROJECT_NAME, "巡检协作群");
+        TestProjectDetailActivity activity = Robolectric
+                .buildActivity(TestProjectDetailActivity.class, intent)
+                .setup()
+                .get();
+
+        ReflectionHelpers.setField(activity, "projectCollaborationMode", "approval_required");
+        ReflectionHelpers.setField(activity, "projectApprovalState", "pending_user");
+        ReflectionHelpers.setField(
+                activity,
+                "currentPendingDispatchPlan",
+                new JSONObject().put("planId", "dispatch-plan-1").put("status", "pending_user_confirmation")
+        );
+
+        JSONObject response = new JSONObject()
+                .put("plan", new JSONObject()
+                        .put("planId", "dispatch-plan-1")
+                        .put("status", "dispatched"))
+                .put("collaborationGate", new JSONObject()
+                        .put("isGroup", true)
+                        .put("collaborationMode", "approval_required")
+                        .put("requiresMasterAgentApproval", true)
+                        .put("approvalState", "approved"));
+
+        ReflectionHelpers.callInstanceMethod(
+                activity,
+                "applyDispatchPlanActionResponse",
+                ReflectionHelpers.ClassParameter.from(JSONObject.class, response)
+        );
+
+        assertEquals("approval_required", ReflectionHelpers.getField(activity, "projectCollaborationMode"));
+        assertEquals("approved", ReflectionHelpers.getField(activity, "projectApprovalState"));
+        assertEquals(null, ReflectionHelpers.getField(activity, "currentPendingDispatchPlan"));
+    }
+
     private static JSONObject buildGroupProjectPayload() throws Exception {
         JSONObject threadMeta = new JSONObject()
                 .put("threadId", "group-thread-3")