Migrate from Vitest 2.x/3.x to 4.x with pool options, coverage config, workspace to projects, and browser mode updates. Use when upgrading Vitest versions or encountering deprecated patterns.
/plugin marketplace add djankies/claude-configs/plugin install djankies-vitest-4-vitest-4@djankies/claude-configsThis skill is limited to using the following tools:
references/migration-tables.mdreferences/migration-workflow.mdBuild robust backtesting systems for trading strategies with proper handling of look-ahead bias, survivorship bias, and transaction costs. Use when developing trading algorithms, validating strategies, or building backtesting infrastructure.