test(windows): make native coverage fixtures portable

vitest.config.ts

@@ -70,6 +70,8 @@ const coverageExemptExcludes = coverageExemptRaw === '1'
 // that worker threads cannot isolate reliably under aggregate gate contention.
 // Keep the narrow exception in forks while the rest of the inventory avoids per-file processes.
 const processBoundTests = [
+  'packages/session-persistence/session-persistence-jsonl/tests/jsonl.spec.ts',
+  'packages/subagent/subagent-acp/tests/subagent-acp.spec.ts',
   'packages/subprocess/subprocess-local/tests/spawn.spec.ts',
   'packages/context/time-context/tests/time-context.spec.ts',
   'packages/llm/llm-pi-ai/tests/adapter.spec.ts',