{
  "type": "ema_crossover",
  "name": "EMA Crossover",
  "description": "Exponential Moving Average crossover strategy that generates buy signals when fast EMA crosses above slow EMA and sell signals when fast EMA crosses below slow EMA.",
  "category": "trend_following",
  "parameter_schema": {
    "fast_period": {
      "type": "int",
      "description": "Period for fast EMA calculation",
      "min": 5,
      "max": 50,
      "default": 12,
      "required": true
    },
    "slow_period": {
      "type": "int", 
      "description": "Period for slow EMA calculation",
      "min": 10,
      "max": 200,
      "default": 26,
      "required": true
    },
    "min_price_change": {
      "type": "float",
      "description": "Minimum price change percentage to validate signal",
      "min": 0.0,
      "max": 10.0,
      "default": 0.5,
      "required": false
    }
  },
  "default_parameters": {
    "fast_period": 12,
    "slow_period": 26,
    "min_price_change": 0.5
  },
  "metadata": {
    "required_indicators": ["ema"],
    "timeframes": ["1h", "4h", "1d"],
    "market_conditions": ["trending"],
    "risk_level": "medium",
    "difficulty": "beginner",
    "signals": {
      "buy": "Fast EMA crosses above slow EMA",
      "sell": "Fast EMA crosses below slow EMA"
    },
    "performance_notes": "Works best in trending markets, may generate false signals in sideways markets"
  },
  "validation_rules": {
    "fast_period_less_than_slow": {
      "rule": "fast_period < slow_period",
      "message": "Fast period must be less than slow period"
    }
  }
}