feat: expand mcp transports and skill execution

pkg/agent/loop_skill_exec_test.go

@@ -0,0 +1,37 @@
+package agent
+
+import (
+	"context"
+	"testing"
+
+	"clawgo/pkg/bus"
+	"clawgo/pkg/config"
+	"clawgo/pkg/providers"
+)
+
+type stubLLMProvider struct{}
+
+func (stubLLMProvider) Chat(ctx context.Context, messages []providers.Message, tools []providers.ToolDefinition, model string, options map[string]interface{}) (*providers.LLMResponse, error) {
+	return &providers.LLMResponse{Content: "ok", FinishReason: "stop"}, nil
+}
+
+func (stubLLMProvider) GetDefaultModel() string { return "stub-model" }
+
+func TestNewAgentLoopRegistersSkillExec(t *testing.T) {
+	cfg := config.DefaultConfig()
+	cfg.Agents.Defaults.Workspace = t.TempDir()
+
+	loop := NewAgentLoop(cfg, bus.NewMessageBus(), stubLLMProvider{}, nil)
+	catalog := loop.GetToolCatalog()
+
+	found := false
+	for _, item := range catalog {
+		if item["name"] == "skill_exec" {
+			found = true
+			break
+		}
+	}
+	if !found {
+		t.Fatalf("expected skill_exec in tool catalog, got %v", catalog)
+	}
+}