refactor: migrate linting to Oxlint

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

@@ -548,7 +548,7 @@ describe('dsh-workflow-workerthread', () => {
           // The rejection VALUE's own coercion throws: a warn built with bare
           // String(error) would itself throw, skipping the ChildDisposed ack
           // and wedging the script's finally until the grace/terminate path.
-          // eslint-disable-next-line @typescript-eslint/prefer-promise-reject-errors -- the non-Error rejection IS the scenario under test
+          // oxlint-disable-next-line typescript/prefer-promise-reject-errors -- the non-Error rejection IS the scenario under test
           dispose: () => Promise.reject({ toString: () => { throw new Error('coercion trap') } }),
         }),
       }

packages/workflow/workflow/tests/workflow.spec.ts

@@ -75,7 +75,7 @@ describe('dsh-workflow (interface)', () => {
     const warn = vi.spyOn(ctx.logger, 'warn').mockImplementation(() => ctx.logger)
     const seen: string[] = []
     // Runtime listeners may return thenables even though the declaration's observable result is void.
-    // eslint-disable-next-line @typescript-eslint/no-misused-promises -- exercises rejected-listener containment
+    // oxlint-disable-next-line typescript/no-misused-promises -- exercises rejected-listener containment
     ctx.on('workflow/agent-start', async () => { throw new Error('async observer failed') })
     ctx.on('workflow/agent-start', (_info, agent) => { seen.push(agent.label) })
     const engine = ctx.workflows as StubEngine