feat: 全新智能体功能

- 基于先进智能体框架，增加智能体编排功能
- 增加智能体聊天，并对接持久化

easyflow-modules/easyflow-module-chatlog/src/test/java/tech/easyflow/chatlog/service/ChatPersistMySqlApplyServiceTest.java

@@ -62,7 +62,7 @@ public class ChatPersistMySqlApplyServiceTest {
     }
 
     @Test
-    public void shouldFallbackTitleWhenMessageMetadataMissing() {
+    public void shouldKeepTitleBlankWhenMessageMetadataMissing() {
         ChatAppendMessageCommand command = new ChatAppendMessageCommand();
         command.setSessionId(BigInteger.valueOf(202));
         command.setTenantId(BigInteger.ONE);
@@ -77,7 +77,7 @@ public class ChatPersistMySqlApplyServiceTest {
         Assert.assertEquals(1, upserts.size());
         ChatSessionUpsertCommand upsert = upserts.get(0);
         Assert.assertEquals("", upsert.getUserAccount());
-        Assert.assertEquals("会话-202", upsert.getTitle());
+        Assert.assertNull(upsert.getTitle());
         Assert.assertEquals(BigInteger.valueOf(7), upsert.getOperatorId());
     }
 

easyflow-modules/easyflow-module-chatlog/src/test/java/tech/easyflow/chatlog/service/impl/ChatSessionQueryServiceImplTest.java

@@ -48,6 +48,27 @@ public class ChatSessionQueryServiceImplTest {
         Assert.assertEquals(1, sessionRepository.listSessionsCalls);
     }
 
+    /**
+     * Agent 会话查询必须把 assistantCode 过滤条件下推到 MySQL 会话表，避免混入 Bot 会话。
+     */
+    @Test
+    public void pageSessionsShouldPassAssistantCodeFilterToMysqlRepository() {
+        FakeSessionRepository sessionRepository = new FakeSessionRepository();
+        sessionRepository.sessions = List.of(session(BigInteger.valueOf(1002), 2));
+        sessionRepository.count = 1;
+        ChatSessionQueryServiceImpl service = new ChatSessionQueryServiceImpl(
+                sessionRepository,
+                new FakeLogRepository(),
+                new FakeTableManager(List.of()),
+                new FakeHotStateService()
+        );
+
+        service.pageSessions(BigInteger.valueOf(7), BigInteger.valueOf(88), "AGENT", new ChatPageQuery());
+
+        Assert.assertEquals("AGENT", sessionRepository.capturedListAssistantCode);
+        Assert.assertEquals("AGENT", sessionRepository.capturedCountAssistantCode);
+    }
+
     /**
      * 工作台消息分页必须走 MySQL 热表主线查询，并保持分页参数语义。
      */
@@ -124,6 +145,8 @@ public class ChatSessionQueryServiceImplTest {
         private long count;
         private int countSessionsCalls;
         private int listSessionsCalls;
+        private String capturedListAssistantCode;
+        private String capturedCountAssistantCode;
         private ChatSessionSummary summary;
         private List<ChatSessionSummary> sessions = new ArrayList<>();
 
@@ -133,13 +156,25 @@ public class ChatSessionQueryServiceImplTest {
 
         @Override
         public List<ChatSessionSummary> listSessions(BigInteger userId, BigInteger assistantId, ChatPageQuery query) {
+            return listSessions(userId, assistantId, null, query);
+        }
+
+        @Override
+        public List<ChatSessionSummary> listSessions(BigInteger userId, BigInteger assistantId, String assistantCode, ChatPageQuery query) {
             listSessionsCalls += 1;
+            capturedListAssistantCode = assistantCode;
             return sessions;
         }
 
         @Override
         public long countSessions(BigInteger userId, BigInteger assistantId) {
+            return countSessions(userId, assistantId, null);
+        }
+
+        @Override
+        public long countSessions(BigInteger userId, BigInteger assistantId, String assistantCode) {
             countSessionsCalls += 1;
+            capturedCountAssistantCode = assistantCode;
             return count;
         }