Merge branch 'release/v0.2.8' into develop

* release/v0.2.8: (23 commits)
  [add] migration script
  fix(workflow and tool): Output processing modification of tool nodes and error modification for tool tests
  feat(workflow): add configurable workflow feature options
  fix(web): app features
  fix(web): app features
  fix(web): app bugfix
  fix(web): agent add tools bugfix
  fix(web): workflow node ports bugfix
  fix(web): my sharing app add empty
  fix(app): The bugs that were fixed in the previous version but were later rolled back.
  fix(web): app sharing bugfix
  fix(app): 1.The end users are still bound to the app. 2. Multi-modal file support includes xlsx, csv, and json. 3. The file routing protocol is consistent with the page routing.
  fix(web): audio recorder add max size check
  fix(web): max_file_count precision
  feat(workflow): expose workflow memory enable status in app share config API
  revert(web): file download
  fix(perceptual): resolve inconsistency between local filename and actual filename
  fix(multimodel): filter unsupported files during perception memory write
  fix(web): file download
  fix(web): file download
  ...

api/app/models/workflow_model.py

@@ -35,6 +35,7 @@ class WorkflowConfig(Base):
     
     # 执行配置
     execution_config = Column(JSONB, nullable=False, default=dict)
+    features = Column(JSONB, nullable=True, default=dict)
     
     # 触发器配置（可选）
     triggers = Column(JSONB, default=list)