Release v1.4.2

What's Changed

• fix: Require authentication in WebUI and fix OAuth login by @thebtf in #13
• feat: OAuth callback on main server port (no separate login service) by @thebtf in #14
• Claude/update docs docker 01 qptso9 t sh6t w8vp4 q8 lnnd by @thebtf in #15
• fix: Set CHATGPT_LOCAL_HOME in Dockerfile ENV by @thebtf in #16
• Add Real Dashboard Statistics & GPT-5.1 Support by @thebtf in #18
• Feature/real dashboard stats by @thebtf in #20
• Organize project structure: move docs and tests by @thebtf in #19

Full Changelog: v1.4.1...v1.4.2