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Architect Flutter apps using layered UI/Logic/Data separation with MVVM and unidirectional data flow.

Implement Flutter animations using implicit, explicit, hero, physics-based, and staggered animation strategies.

40 prioritized NestJS best practices across architecture, DI, security, performance, testing, and microservices.

Automate live Excel workbooks with xlwings—VBA execution, dashboard updates, chart automation, and real-time data.

Manage Flutter app state using MVVM with Provider, distinguishing ephemeral (StatefulWidget) from shared state.

Customize Flutter app visual styling with Material 3 ThemeData, color schemes, typography, and adaptive components.

Implement Flutter navigation with Navigator (imperative) or go_router (declarative) including deep linking.

Fetch daily multi-ticker stock data with RSI, Bollinger Bands, Stochastic, and BUY/HOLD/SELL signals.

Azure observability skill providing monitoring, diagnostics, and logging guidance backed by Azure MCP tools.

Collection of baoyu productivity skills for content creation, AI generation, and utility tools in Claude Code.

Enable an AI agent to iteratively improve its own skills and instructions based on task feedback.

Implement Flutter unit, widget, and integration tests with mocking, WidgetTester, and Firebase Test Lab support.