v1.4.0 - Dual Backend Support and Project Rename

Added

• Dual CLI backend: Support both Qoder CN (qoderclicn) and Qoder Global (qodercli) via CLI_BACKEND env var
• Web Console: Dashboard now shows the active CLI backend

Changed

• Project renamed: Qoder CN Proxy to Qoder Proxy
• npm package renamed from qoder-cn-proxy to qoder-proxy

Fixed

• Windows npm shim path resolution for both CLI bundles