refactor: migrate linting to Oxlint

packages/subagent/subagent-inprocess/src/index.ts

@@ -145,7 +145,7 @@ export async function startInProcessRun(
   // Close the narrow handoff race before installing the live-run listener.
   // Static analysis does not model the abort that may land between the
   // factory's listener detachment and this continuation.
-  // eslint-disable-next-line @typescript-eslint/no-unnecessary-condition
+  // oxlint-disable-next-line typescript/no-unnecessary-condition
   if (request.signal.aborted) {
     flags.cancelled = true
     await handle.dispose()

packages/subagent/subagent/src/index.ts

@@ -194,7 +194,7 @@ export class SubagentService extends Service {
    */
   registerProvider(provider: SubagentProvider): () => void {
     const name = provider.name
-    // eslint-disable-next-line @typescript-eslint/no-misused-promises -- synchronous cleanup; direct return preserves disposer identity
+    // oxlint-disable-next-line typescript/no-misused-promises -- synchronous cleanup; direct return preserves disposer identity
     return this.ctx.effect(function* (this: SubagentService) {
       if (this.providers.has(name)) {
         throw new SubagentError(`a subagent provider named "${name}" is already registered`, 'DUPLICATE_PROVIDER')

packages/subagent/subagent/tests/service.spec.ts

@@ -226,7 +226,7 @@ describe('SubagentService', () => {
     const heard: string[] = []
     ctx.on('subagent/provider-removed', () => { throw new Error('sync boom') })
     // 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('subagent/provider-removed', async () => { throw new Error('async boom') })
     ctx.on('subagent/provider-removed', () => { throw { toString: () => { throw new Error('coercion') } } })
     ctx.on('subagent/provider-removed', name => void heard.push(name))