Method searchCurrency

rate/rate.ts:501–556

(query: string)

    if (qLower === 'rm') {
      const result = { id: 'myr', symbol: 'MYR', name: 'Malaysian Ringgit', type: 'fiat' as const };
      this.currencyCache[qLower] = result;
      return result;
    }
    
    if (this.currencyCache[qLower]) {
      return this.currencyCache[qLower];
    }

    console.log(`[RatePlugin] 识别货币类型: ${query}`);
    
    // 先检查内置法币映射
    if (FIAT_CURRENCIES[qLower]) {
      const fiatInfo = FIAT_CURRENCIES[qLower];
      const result = { 
        id: qLower, 
        symbol: fiatInfo.symbol, 
        name: fiatInfo.name, 
        type: 'fiat' as const 
      };
      this.currencyCache[qLower] = result;
      console.log(`[RatePlugin] ${query} 从内置映射识别为法币`);
      return result;
    }
    
    // 再检查内置加密货币映射
    if (CRYPTO_CURRENCIES[qLower]) {
      const cryptoInfo = CRYPTO_CURRENCIES[qLower];
      const result = { 
        id: qLower, 
        symbol: cryptoInfo.symbol, 
        name: cryptoInfo.name, 
        type: 'crypto' as const 
      };
      this.currencyCache[qLower] = result;
      console.log(`[RatePlugin] ${query} 从内置映射识别为加密货币`);
      return result;
    }
    
    // 回退到动态检查
    if (await this.isFiat(qLower)) {
      console.log(`[RatePlugin] ${query} 动态识别为法币`);
      const result = { id: qLower, symbol: query.toUpperCase(), name: query.toUpperCase(), type: 'fiat' as const };
      this.currencyCache[qLower] = result;
      return result;
    }

    console.log(`[RatePlugin] ${query} 默认识别为加密货币`);
    const result = { id: qLower, symbol: query.toUpperCase(), name: query.toUpperCase(), type: 'crypto' as const };
    this.currencyCache[qLower] = result;
    return result;
  }

  private formatPrice(value: number): string {
    if (value >= 1) {
      return value.toLocaleString('en-US', { minimumFractionDigits: 2, maximumFractionDigits: 2 });
    } else if (value >= 0.01) {
      return value.toFixed(4);
    } else if (value >= 0.0001) {