Scan transactions for potentially missed tax deductions and suggest proper categorization. Use when the user asks about saving taxes, Steueroptimierung, deductible expenses, Betriebsausgaben, or wants to check if they are missing any write-offs.

扫描交易记录以识别可能被遗漏的税务扣除项，并提供合理的分类建议。当用户询问如何节省税费、Steueroptimierung、可抵扣费用或Betriebsausgaben，或希望检查是否遗漏了任何可抵扣项目时使用。