Merge branch 'develop_datamate_core' of https://github.com/ModelEngine-Group/nexent into develop_datamate_core_v2

# Conflicts:
#	backend/consts/const.py
#	backend/services/datamate_service.py
#	backend/services/vectordatabase_service.py
#	sdk/nexent/core/tools/datamate_search_tool.py
#	test/backend/services/test_datamate_service.py
#	test/backend/services/test_vectordatabase_service.py
#	test/sdk/core/tools/test_datamate_search_tool.py

Author: Zhi-a

backend/apps/config_app.py

@@ -19,6 +19,9 @@
 from apps.tool_config_app import router as tool_config_router
 from apps.user_management_app import router as user_management_router
 from apps.voice_app import voice_config_router as voice_router
+from apps.tenant_app import router as tenant_router
+from apps.group_app import router as group_router
+from apps.invitation_app import router as invitation_router
 from consts.const import IS_SPEED_MODE
 
 # Import monitoring utilities
@@ -59,6 +62,9 @@
 app.include_router(prompt_router)
 app.include_router(tenant_config_router)
 app.include_router(remote_mcp_router)
+app.include_router(tenant_router)
+app.include_router(group_router)
+app.include_router(invitation_router)
 
 # Initialize monitoring for the application
 monitoring_manager.setup_fastapi_app(app)