WangKang/emoon-portal: 统一入口客户端前端项目 @ fbf56a9495353aac9e3b36c12989cea77f0ce3ab

wangkangyjy fbf56a9495 docs: add development and integration handoff guide		23 godzin temu
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p0-mobile	4d1c7ed71d docs: add P0 portal product and interaction specifications	23 godzin temu
DEVELOPMENT_GUIDE.md	fbf56a9495 docs: add development and integration handoff guide	23 godzin temu