feat: add xyz dex balance calculation, market data providers, and UI improvements

- Fix xyz dex balance calculation (use marginSummary for isolated margin)
- Add Alpaca provider for US stocks market data
- Add TwelveData provider for forex & metals market data
- Add Hyperliquid kline provider
- Centralize API keys in config system
- Add builder fee for order routing
- Improve chart UI with compact design
- Fix position history fee display precision
- Add comprehensive balance calculation tests

provider/coinank/coinank_api/kline_test.go

@@ -3,6 +3,7 @@ package coinank_api
 import (
 	"context"
 	"encoding/json"
+	"fmt"
 	"nofx/provider/coinank/coinank_enum"
 	"testing"
 	"time"
@@ -19,3 +20,34 @@ func TestKline(t *testing.T) {
 	}
 	t.Logf("%s", res)
 }
+
+func TestKlineDaily(t *testing.T) {
+	resp, err := Kline(context.TODO(), "BTCUSDT", coinank_enum.Binance, time.Now().UnixMilli(), coinank_enum.To, 5, coinank_enum.Day1)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	t.Log("=== BTCUSDT 日线 K线数据 (coinank_api 免费接口) ===")
+	for i, k := range resp {
+		startTime := time.UnixMilli(k.StartTime).Format("2006-01-02 15:04:05")
+		t.Logf("\n[%d] 时间: %s", i, startTime)
+		t.Logf("    Open:     %.2f", k.Open)
+		t.Logf("    High:     %.2f", k.High)
+		t.Logf("    Low:      %.2f", k.Low)
+		t.Logf("    Close:    %.2f", k.Close)
+		t.Logf("    Volume:   %.4f (k[6])", k.Volume)
+		t.Logf("    Quantity: %.4f (k[7])", k.Quantity)
+		t.Logf("    Count:    %.0f (k[8])", k.Count)
+
+		// 计算验证
+		if k.Close > 0 && k.Volume > 0 {
+			t.Logf("    --- 验证 ---")
+			t.Logf("    Volume × Close = %.2f", k.Volume*k.Close)
+			t.Logf("    Quantity / Close = %.4f", k.Quantity/k.Close)
+		}
+	}
+
+	// 打印原始 JSON
+	res, _ := json.MarshalIndent(resp, "", "  ")
+	fmt.Printf("\n原始 JSON:\n%s\n", res)
+}