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Use this skill to complete the RED phase of TDD: define behavior with tests first, verify they fail for the right reason, then hand off implementation with objective pass criteria.

Spawn autonomous subagents to offload context-heavy work. Subagents burn their own tokens, return only final results.

Retrieve current library documentation via Context7 API.

Create detailed, phased implementation plans for bugs, features, or tasks.

Source details, install context, and public review data are available on the full page.

Analyzes and optimizes Flutter application size by measuring build artifacts, generating size analysis reports, utilizing Dart DevTools for component breakdown, and implementing specific size reduction strategies such as debug info splitting, resource compression, and platform-specific tree-shaking. Assumes a...

Evaluates whether APIs, configurations, and interfaces are resistant to developer misuse. Identifies designs where the "easy path" leads to insecurity.

Solves the "context problem" in multi-agent workflows where subagents don't know what context they need until they start working.