BREAKING: Major architecture change.
- RoleDefinition = pure data (systemPrompt + schema + dryRunMeta)
- AgentFn = (ctx: ThreadContext) => Promise<string>, reads ctx.currentRole
- WorkflowDefinition decoupled from agents, bound via AgentBinding at runtime
- createWorkflow(def, binding, extract) replaces createRoleModerator
- Meta extraction moved into engine loop
- Delete workflow-util-role package (createRole, decorators, extract all gone)
- Role packages become pure data exports
- Agent packages updated to single-arg AgentFn
小橘 <xiaoju@shazhou.work>
The package only contains createLlmAdapter (OpenAI chat → AgentFn),
which is an agent adapter, not a role. Aligns with workflow-agent-cursor
and workflow-agent-hermes naming.