- Implement Option B: Wine-based cross-compilation for Windows .exe via PyInstaller
- NSIS installer with custom configuration page matching Linux installer prompts
  (Gateway URL, Node name, Gateway token)
- Single-file bundles: hermes-node-agent.exe (~45MB), hermes-node-manager.exe (~7MB)
- Config saved to C:\ProgramData\HermesNode\config.json
- Auto-registers as Windows service via NSSM
- Includes build-all.sh, README_BUILD.md, release script
- Update deploy/windows script to fix Windows path separator