天气查询

// weather.js
// Description: Get weather for a location (lat, lon)

module.exports = async function(context) {
    // Default to San Francisco if no args
    const lat = context.args[0] || 37.7749;
    const lon = context.args[1] || -122.4194;
    
    const url = `https://api.open-meteo.com/v1/forecast?latitude=${lat}&longitude=${lon}&current_weather=true`;
    
    const response = await fetch(url);
    const data = await response.json();
    
    return {
        location: { lat, lon },
        weather: data.current_weather
    };
};