* feat: add beginner onboarding and mode switching flow * chore: ignore local gh auth config * fix: restore kline fallback and align onboarding language --------- Co-authored-by: zavier-bin <zhaobbbhhh@gmail.com>
- Add missing configResponse.ok check in handleCreateStrategy to prevent rendering with invalid config data when API fails - Remove deleted benefit3 translation key reference from LoginRequiredOverlay
- Delete llm/ dead code (3 files, zero references) - Split mcp/ into sub-packages: mcp/provider/ (8 providers) and mcp/payment/ (4 payment clients) with registry pattern - Export Client internal fields and ClientHooks interface for sub-package access - Split api/server.go (3892 lines) into 8 domain-specific handler files - Split trader/auto_trader.go (2296 lines) into 5 focused files - Reorganize web/src/components/ flat files into auth/, charts/, trader/, common/, modals/, backtest/ subdirectories - Update all consumer imports to use registry-based provider creation