chore: include complete dc refactor implementation and audits

internal/executor/fs_test.go

@@ -0,0 +1,36 @@
+package executor
+
+import (
+	"context"
+	"os"
+	"path/filepath"
+	"testing"
+)
+
+func TestListDirectoryAndInfo(t *testing.T) {
+	d := t.TempDir()
+	if err := os.WriteFile(filepath.Join(d, "a.txt"), []byte("hello"), 0600); err != nil {
+		t.Fatal(err)
+	}
+	if err := os.Mkdir(filepath.Join(d, "sub"), 0700); err != nil {
+		t.Fatal(err)
+	}
+	es, err := ListDirectory(d, false, 10)
+	if err != nil || len(es) != 2 {
+		t.Fatalf("entries=%v err=%v", es, err)
+	}
+	fi, err := GetFileInfo(filepath.Join(d, "a.txt"))
+	if err != nil || fi.Size != 5 {
+		t.Fatalf("info=%+v err=%v", fi, err)
+	}
+}
+func TestSearchHonorsContextAndLimit(t *testing.T) {
+	d := t.TempDir()
+	for i := 0; i < 3; i++ {
+		_ = os.WriteFile(filepath.Join(d, string(rune('a'+i))+".txt"), []byte("needle\n"), 0600)
+	}
+	r, err := Search(context.Background(), d, "needle", 2)
+	if err != nil || len(r) != 2 {
+		t.Fatalf("results=%v err=%v", r, err)
+	}
+}