fix(workflow): bootstrap source worker transforms

packages/workflow/workflow-workerthread/tests/source-worker.compat.spec.ts

@@ -0,0 +1,38 @@
+/**
+ * Keyless runtime smoke for the source-mode workflow worker. The Node
+ * compatibility matrix runs this WHOLE file, so renaming or removing its test
+ * cannot turn the runtime proof into a successful zero-match filter.
+ */
+
+import { expect, it, vi } from 'vitest'
+import { Context } from 'cordis'
+import { AgentId } from '@deepseek-ai/dsh-agent'
+import type { Agent } from '@deepseek-ai/dsh-agent'
+import SubagentService from '@deepseek-ai/dsh-subagent'
+import WorkerWorkflowEngine from '../src/index.ts'
+
+// A fresh thread compiles the source runtime. Leave contention headroom on
+// shared CI runners without weakening any engine-level timeout assertion.
+vi.setConfig({ testTimeout: 30_000 })
+
+it('runs the default config through the source worker', async () => {
+  const ctx = new Context()
+  const subagents = await ctx.plugin(SubagentService)
+  const engine = await ctx.plugin(WorkerWorkflowEngine, {})
+  const parent = { id: AgentId('workflow-compat-parent'), options: {} } as unknown as Agent
+  try {
+    const run = ctx.workflows.start({
+      script: 'return 6 * 7',
+      meta: { name: 'source-worker-compat', description: 'exercise the unbuilt worker entry' },
+      parent,
+    })
+    try {
+      await expect(run.result).resolves.toMatchObject({ value: 42, stopReason: 'completed', agentsStarted: 0 })
+    } finally {
+      await run.dispose()
+    }
+  } finally {
+    await engine.dispose()
+    await subagents.dispose()
+  }
+})

packages/workflow/workflow-workerthread/tests/workflow-workerthread.spec.ts

@@ -1226,15 +1226,11 @@ describe('dsh-workflow-workerthread', () => {
       await second.dispose()
     })
 
-    it('unregisters ctx.workflows when the engine fiber is disposed (HMR safety), and default config runs (auto concurrency)', async () => {
+    it('unregisters ctx.workflows when the engine fiber is disposed (HMR safety)', async () => {
       const ctx = new Context()
       await ctx.plugin(SubagentService)
       const fiber = await ctx.plugin(WorkerWorkflowEngine, {})
       expect(ctx.get('workflows')).toBeDefined()
-      // A zero-agent run through the DEFAULT config exercises the auto
-      // concurrency resolution (cores - 2, capped) in start().
-      const result = await run(ctx, fakeParent(), scripted('return 6 * 7'))
-      expect(result.value).toBe(42)
       await fiber.dispose()
       expect(ctx.get('workflows')).toBeUndefined()
     })