feat: add threadId to ThreadContext and WorkflowFnOptions

Agentic roles can now access ctx.threadId to query thread details
via uncaged-workflow CLI for richer context.

packages/workflow/src/create-role-moderator.ts

@@ -54,6 +54,7 @@ export function createRoleModerator<M extends RoleMeta>(
       }
 
       const ctx: ThreadContext<M> = {
+        threadId: options.threadId,
         start,
         steps,
       };

packages/workflow/src/types.ts

@@ -26,6 +26,7 @@ export type ThreadInput = {
 
 /** Options passed to a workflow bundle's `run` export (engine-provided). */
 export type WorkflowFnOptions = {
+  threadId: string;
   isDryRun: boolean;
   maxRounds: number;
 };
@@ -57,6 +58,7 @@ export type RoleStep<M extends RoleMeta> = {
 
 /** Thread-scoped context passed to roles and moderator. */
 export type ThreadContext<M extends RoleMeta = RoleMeta> = {
+  threadId: string;
   start: StartStep;
   steps: RoleStep<M>[];
 };

packages/workflow/src/worker.ts

@@ -136,7 +136,7 @@ function parseRunControlPayload(rec: Record<string, unknown>): RunCommand | null
     threadId,
     workflowName,
     prompt,
-    options: { isDryRun, maxRounds },
+    options: { threadId, isDryRun, maxRounds },
     steps: parsedSteps.steps,
     stepTimestamps: parsedSteps.stepTimestamps,
     forkSourceThreadId,