Extract TabNavigation, StatCard, RequestCard, FilterBar, DSRCreateModal,
DSRDetailPanel, DSRHeaderActions, and banner components (LoadingSpinner,
SettingsTab, OverdueAlert, DeadlineInfoBox, EmptyState) into _components/
so page.tsx drops from 1019 to 247 LOC (under the 300 soft target).
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
