feat: expand mcp transports and skill execution

pkg/tools/skill_exec_test.go

@@ -0,0 +1,27 @@
+package tools
+
+import (
+	"os"
+	"path/filepath"
+	"strings"
+	"testing"
+)
+
+func TestSkillExecWriteAuditIncludesCallerIdentity(t *testing.T) {
+	workspace := t.TempDir()
+	tool := NewSkillExecTool(workspace)
+
+	tool.writeAudit("demo", "scripts/run.sh", "test", "coder", "subagent", true, "")
+
+	data, err := os.ReadFile(filepath.Join(workspace, "memory", "skill-audit.jsonl"))
+	if err != nil {
+		t.Fatalf("read audit file: %v", err)
+	}
+	text := string(data)
+	if !strings.Contains(text, `"caller_agent":"coder"`) {
+		t.Fatalf("expected caller_agent in audit row, got: %s", text)
+	}
+	if !strings.Contains(text, `"caller_scope":"subagent"`) {
+		t.Fatalf("expected caller_scope in audit row, got: %s", text)
+	}
+}