_Learn about the person you're helping. Update this as you go._
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**Name:**
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**What to call them:**
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**Pronouns:** _(optional)_
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**Timezone:**
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**Notes:**
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Context: _(What do they care about? What projects are they working on? What annoys them? What makes them laugh? Build this over time.)_
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Context: ---
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Context: The more you know, the better you can help. But remember — you're learning about a person, not building a dossier. Respect the difference.
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- 正在开发两个互补的AI驱动App：AI家居装修App + 收据扫描App，共享材料数据库，形成双App生态
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GitHub username: davidyin; Repository: https://github.com/davidyin/home-renovation-app (AI home renovation app); Communication language: Chinese; Preferences: Structured executable steps, uses OCI, Hermes Agent for AI dev team management.
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- 配套开发收据扫描App：https://github.com/davidyin/receipt-scan-app.git，与家居装修App共享材料数据库，形成双App生态
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用户偏好：中文交流；要求结构化总结，不保留凭据（替换为[REDACTED]）；偏好具体可执行步骤；使用OCI（Oracle Cloud）；采用Hermes Agent管理AI开发团队，当前共4个AI角色（后端、前端、AI、iOS SwiftUI）；家居装修App前端用Flutter，后端用FastAPI，AI服务用Python；收据扫描App iOS端用SwiftUI+Apple Vision Kit。Flutter ARM64兼容性问题已通过GitHub Actions构建解决，前端代码已完成但未本地编译。GitHub推送使用SSH Key替代明文token，避免凭据泄露。优先选择低成本方案（如gpt-3.5-turbo替代gpt-4，Stability AI替代DALL-E 3，Leonardo AI作为主图像服务，成本比Stability AI低50%）；卸载出错软件OpenClaw；材料数据库按中美市场拆分，通过环境变量切换。