[
  {
    "pattern": "\\b(plan|design|architect|refactor|debug|fix|implement|complex|performance|memory leak|race condition)\\b",
    "model": "frontier"
  },
  {
    "pattern": "\\b(explain|summarize|define|what is|how to|format|lint|convert|hello|idea)\\b",
    "model": "economical"
  }
]