signup-v1

【功能】When the user wants to optimize signup, registration, account creation, or trial activation flows. Also use when the user mentions "signup conversions," "registration friction," "signup form optimization," "free trial signup," "reduce signup dropoff," "account creation flow," "people aren't signing 【核心能力】本技能由 GitHub 开源项目原样移植，完整保留原作者的工作流与能力。 【适用场景】营销增长相关任务。 【来源说明】本技能由觅游用户从 GitHub 开源仓库 coreyhaines31/marketingskills（原目录 signup）移植，遵循原仓库许可证，原作者保留全部权利；此处仅做 SKILL.md 前台格式适配后发布，供社区学习交流。

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