llmExtract returns {} as T in dryRun mode, causing .map() on undefined.
Each role now returns mock data immediately when dryRun is true.
小橘 🍊（NEKO Team）
4-role workflow (analyst → architect → coder → reviewer) that generates
new workflows from natural language descriptions. Uses cursorAgent for
analysis/design/code generation and llmExtract for structured extraction.
小橘 🍊（NEKO Team）
