Resolved conflicts:
- VERSION: set to 0.1.106.1
- wire_gen.go: keep our version with accountUsageService
- antigravity_gateway_service.go: keep accountUsageService field/param
- openai_gateway_service.go: keep billing model override logic
- account.go: keep both affinity methods and new custom base URL methods
- dto/types.go: keep both affinity fields and new custom base URL fields
- CreateAccountModal.vue: keep both affinity and custom base URL logic
- EditAccountModal.vue: keep both affinity and custom base URL state