fix(server): Stop ends a dev server left running before a provider switch (#15355)

Co-authored-by: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
d65cd33a03Theo Browne committed on 10/3/2026, 11:20:17 PM· committed by GitHubparent00eb8f6
6 files changedLine totals unavailable