feat(workflow): add support for question classifier in graph construction
* feature/20251219_myh: (11 commits)
feat(workflow): support variable types(TODO)
fix(workflow): fix passing of loop variable termination condition
feat(workflow): add support for passing workspace ID
feat(workflow): support retrieving variables wrapped in {{}} from variable pool
feat(prompt_opt): support streaming output for prompt optimization API
feat(workflow): update workflow conditional logic
feat(workflow): enable front-end to cover pre-rendered non-variable values
fix(workflow): ensure default values are properly retrieved in HTTP nodes
refactor(workflow): refactor graph construction to support subgraph building
Merge branch 'develop' into feature/20251219_myh
feat(workflow): add support for question classifier in graph construction
Signed-off-by: Eternity <1533512157@qq.com>
Reviewed-by: zhuwenhui5566@163.com <zhuwenhui5566@163.com>
Merged-by: zhuwenhui5566@163.com <zhuwenhui5566@163.com>
CR-link: https://codeup.aliyun.com/redbearai/python/redbear-mem-open/change/104
8625c0f266