- Add chatFileRoutes(db, storageService) after assistantHandoffRoutes (inside boardMutationGuard)
- Add nexusSettingsRoutes() after chatFileRoutes
- Extend nexusSettingsSchema with voiceEnabled: z.boolean().default(false)
- Update default return values in nexusSettingsService.get() to include voiceEnabled: false
- Add voiceEnabled?: boolean to NexusSettings client interface in hardware.ts