feat: add mcp client, convert eino tools

internal/mcp/config_test.go

@@ -0,0 +1,31 @@
+package mcp
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestLoadSettings(t *testing.T) {
+	// Load settings from test.mcp.json
+	settings, err := LoadSettings("test.mcp.json")
+	if err != nil {
+		t.Fatalf("Failed to load settings: %v", err)
+	}
+
+	// Verify settings are loaded correctly
+	assert.NotNil(t, settings)
+	assert.Contains(t, settings.MCPServers, "filesystem")
+	assert.Contains(t, settings.MCPServers, "weather")
+
+	// Verify specific server configurations
+	filesystemConfig := settings.MCPServers["filesystem"]
+	assert.Equal(t, "npx", filesystemConfig.Command)
+	assert.Equal(t, []string{"-y", "@modelcontextprotocol/server-filesystem", "/Users/debugtalk/Downloads/tmp"}, filesystemConfig.Args)
+
+	weatherConfig := settings.MCPServers["weather"]
+	assert.Equal(t, "uv", weatherConfig.Command)
+	assert.Equal(t, []string{"--directory", "/Users/debugtalk/MyProjects/ByteDance/EvalTools/quickstart-resources/weather-server-python/", "run", "weather.py"}, weatherConfig.Args)
+	assert.Equal(t, []string{"get_forecast"}, weatherConfig.AutoApprove)
+	assert.Equal(t, map[string]string{"ABC": "123"}, weatherConfig.Env)
+}