新增persona_template表和CRUD API，BaseIndividualModel增加node_affinity和template_origin_id字段，
WorkerCluster支持多集群Ray资源调度，环境变量收敛到pydantic-settings统一校验，
数据库异常转换为结构化BusinessError/RetryableError，系统节点支持custom_system_prompt。
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
当前阶段只保留regulatory+consciousness两个系统节点，control_node代码保留但不再实例化。
系统节点新增display_name字段支持自定义显示名称，前端新增人设管理Tab支持模板CRUD。
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
* refactor: overhaul workflow and chat architecture
- Separate Chat and Workflow API endpoints and database models
- Use JSONB to store workflow execution context in Postgres
- Convert workflow engine to use pydantic-ai execution graphs inside a Ray task
- Update frontend React components to support standalone workflow creation
- Remove obsolete and broken workflow runner tests
Co-authored-by: zhaoxi826 <198742034+zhaoxi826@users.noreply.github.com>
* refactor: overhaul workflow and chat architecture
- Separate Chat and Workflow API endpoints and database models
- Use JSONB to store workflow execution context in Postgres
- Convert workflow engine to use pydantic-ai execution graphs inside a Ray task
- Update frontend React components to support standalone workflow creation
- Remove obsolete and broken workflow runner tests
Co-authored-by: zhaoxi826 <198742034+zhaoxi826@users.noreply.github.com>
* refactor: overhaul workflow and chat architecture
- Separate Chat and Workflow API endpoints and database models
- Use JSONB to store workflow execution context in Postgres
- Convert workflow engine to use pydantic-ai execution graphs inside a Ray task
- Update frontend React components to support standalone workflow creation
- Move workflow_engine inside workflow package to keep core root clean
- Remove obsolete and broken workflow runner tests
Co-authored-by: zhaoxi826 <198742034+zhaoxi826@users.noreply.github.com>
* refactor: overhaul workflow and chat architecture
- Separate Chat and Workflow API endpoints and database models
- Use JSONB to store workflow execution context in Postgres
- Convert workflow engine to use pydantic-ai execution graphs inside a Ray task
- Update frontend React components to support standalone workflow creation
- Move workflow_engine inside workflow package to keep core root clean
- Replace sqlmodel with pure sqlalchemy mappings globally
- Remove obsolete and broken workflow runner tests
Co-authored-by: zhaoxi826 <198742034+zhaoxi826@users.noreply.github.com>
---------
Co-authored-by: google-labs-jules[bot] <161369871+google-labs-jules[bot]@users.noreply.github.com>
Co-authored-by: zhaoxi826 <198742034+zhaoxi826@users.noreply.github.com>
* refactor: overhaul workflow and chat architecture
- Separate Chat and Workflow API endpoints and database models
- Use JSONB to store workflow execution context in Postgres
- Convert workflow engine to use pydantic-ai execution graphs inside a Ray task
- Update frontend React components to support standalone workflow creation
- Remove obsolete and broken workflow runner tests
Co-authored-by: zhaoxi826 <198742034+zhaoxi826@users.noreply.github.com>
* refactor: overhaul workflow and chat architecture
- Separate Chat and Workflow API endpoints and database models
- Use JSONB to store workflow execution context in Postgres
- Convert workflow engine to use pydantic-ai execution graphs inside a Ray task
- Update frontend React components to support standalone workflow creation
- Remove obsolete and broken workflow runner tests
Co-authored-by: zhaoxi826 <198742034+zhaoxi826@users.noreply.github.com>
* refactor: overhaul workflow and chat architecture
- Separate Chat and Workflow API endpoints and database models
- Use JSONB to store workflow execution context in Postgres
- Convert workflow engine to use pydantic-ai execution graphs inside a Ray task
- Update frontend React components to support standalone workflow creation
- Move workflow_engine inside workflow package to keep core root clean
- Remove obsolete and broken workflow runner tests
Co-authored-by: zhaoxi826 <198742034+zhaoxi826@users.noreply.github.com>
---------
Co-authored-by: google-labs-jules[bot] <161369871+google-labs-jules[bot]@users.noreply.github.com>
Co-authored-by: zhaoxi826 <198742034+zhaoxi826@users.noreply.github.com>
zhaoxi