refactor: extract wrapAgentAsAdapter to util-agent, support childThread in RoleFn (#222)

packages/workflow-runtime/src/create-workflow.ts

@@ -84,7 +84,8 @@ async function advanceOneRound<M extends RoleMeta>(
 
   const adapter = adapterForRole(binding, next);
   const roleFn = adapter(roleDef.systemPrompt, roleDef.schema as z.ZodType<Record<string, unknown>>);
-  const meta = await roleFn(modCtx as unknown as ThreadContext, runtime);
+  const result = await roleFn(modCtx as unknown as ThreadContext, runtime);
+  const meta = result.meta;
 
   const refsFromMeta = resolveExtractedRefs(
     roleDef as unknown as RoleDefinition<Record<string, unknown>>,
@@ -110,7 +111,7 @@ async function advanceOneRound<M extends RoleMeta>(
       contentHash: step.contentHash,
       meta: step.meta,
       refs: step.refs,
-      childThread: null,
+      childThread: result.childThread,
     },
     step,
   };

packages/workflow-runtime/src/index.ts

@@ -20,6 +20,7 @@ export type {
   Result,
   RoleDefinition,
   RoleFn,
+  RoleResult,
   RoleMeta,
   RoleOutput,
   RoleStep,

packages/workflow-runtime/src/types.ts

@@ -24,6 +24,7 @@ export type {
   Result,
   RoleDefinition,
   RoleFn,
+  RoleResult,
   RoleMeta,
   RoleOutput,
   RoleStep,

packages/workflow-runtime/workflow-runtime

@@ -0,0 +1 @@
+/home/azureuser/repos/workflow/packages/workflow-runtime