fix: address PR review feedback from CodeRabbit

- Add sessionId to summarize.ts warning log for easier triage
- Add APPROVED OVERRIDE annotation to Windows spawn catch block

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/services/infrastructure/ProcessManager.ts

@@ -658,6 +658,7 @@ export function spawnDaemon(
       });
       return 0;
     } catch (error) {
+      // APPROVED OVERRIDE: Windows daemon spawn is best-effort; log and let callers fall back to health checks/retry flow.
       logger.error('SYSTEM', 'Failed to spawn worker daemon on Windows', { runtimePath }, error as Error);
       return undefined;
     }