- Remove unused claudeMax*Tokens constants (Claude Max feature not included) - Remove unused UsageMapHook type, SetUsageMapHook method, and usageToMap function - Fix gofmt formatting in channel_service.go, openai_model_mapping_test.go, chatcompletions_to_responses.go
Eliminates unnecessary indirection layer. The wrapper function only called normalizeCodexModel with a special case for "gpt 5.3 codex spark" (space-separated variant) that is no longer needed. All call sites now use normalizeCodexModel directly.