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LLM-Driven Automated Testing Series (09): Mobile Automation (V) — When a Generic Agent Framework Sinks Down into a Testing Scenario

MetaGPT is a 'multi-agent software company' framework built for requirements analysis and code generation, but it ships a built-in Android testing demo. Reading the source directly overturns one premise from the planning doc: this demo does not reuse MetaGPT's usual Product Manager/Engineer/QA role division — it has exactly one custom Role, reusing instead the lower-level Team/Environment/Role/Action scheduling scaffolding. More importantly, the README states plainly that it 'referenced ideas and code from AppAgent' — this piece breaks down exactly what this generic framework inherited from AppAgent, what reusing generic scaffolding actually bought it, and what it cost.