sloproxy

feat(config): improve config reload handling and introduce async management save hook master

- Refactored `ConfigReloadHook` to use `reloadConfigFromWatcher` for consistency. - Added async `reloadConfigAfterManagementSaveAsync` to handle post-save operations. - Introduced `ReloadConfigIfChanged` in watcher for manual trigger support. - Enhanced config reload paths to separate auth synthesis from standard updates. - Updated `applyConfigUpdate` logic to allow more granular reload behaviors. Closes: #3235


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6 changed files