feat(dashboard): export ChatSectionHook in hooks index

- Add ChatSectionHook export to hooks/index.ts
- Complete Task 10 (Wave 3)
- ChatSectionHook now available for import and registration

dashboard/src/routes/config/bot/hooks/index.ts

@@ -4,3 +4,4 @@
 
 export { useAutoSave, useConfigAutoSave } from './useAutoSave'
 export type { UseAutoSaveOptions, UseAutoSaveReturn, AutoSaveState } from './useAutoSave'
+export { ChatSectionHook } from './ChatSectionHook'