fix(docs): sync zensical readmes to index

Co-Authored-By: Virgil <virgil@lethean.io>

cmd/docs/cmd_sync.go

@@ -6,10 +6,10 @@ import (
 	"path/filepath"
 	"strings"
 
-	"forge.lthn.ai/core/cli/pkg/cli"
 	"dappco.re/go/core/i18n"
 	"dappco.re/go/core/io"
 	"dappco.re/go/core/scm/repos"
+	"forge.lthn.ai/core/cli/pkg/cli"
 )
 
 // Flag variables for sync command
@@ -295,9 +295,8 @@ func runZensicalSync(reg *repos.Registry, basePath string, outputDir string, dry
 			weight += 10
 		}
 
-		if info.Readme != "" && folder != "" {
-			dst := filepath.Join(destDir, "index.md")
-			if err := copyWithFrontMatter(info.Readme, dst, 1); err != nil {
+		if info.Readme != "" {
+			if err := copyZensicalReadme(info.Readme, destDir); err != nil {
 				cli.Print("  %s README: %s\n", errorStyle.Render("✗"), err)
 			}
 		}
@@ -326,6 +325,12 @@ func runZensicalSync(reg *repos.Registry, basePath string, outputDir string, dry
 	return nil
 }
 
+// copyZensicalReadme copies a repository README to index.md in the target directory.
+func copyZensicalReadme(src, destDir string) error {
+	dst := filepath.Join(destDir, "index.md")
+	return copyWithFrontMatter(src, dst, 1)
+}
+
 // goHelpOutputName maps repo name to output folder name for go-help.
 func goHelpOutputName(repoName string) string {
 	if repoName == "core" {

cmd/docs/cmd_sync_test.go

@@ -0,0 +1,39 @@
+package docs
+
+import (
+	"os"
+	"path/filepath"
+	"strings"
+	"testing"
+)
+
+func TestCopyZensicalReadme_Good(t *testing.T) {
+	srcDir := t.TempDir()
+	destDir := t.TempDir()
+
+	src := filepath.Join(srcDir, "README.md")
+	if err := os.WriteFile(src, []byte("# Hello\n\nBody text.\n"), 0o644); err != nil {
+		t.Fatalf("write source README: %v", err)
+	}
+
+	if err := copyZensicalReadme(src, destDir); err != nil {
+		t.Fatalf("copy README: %v", err)
+	}
+
+	output := filepath.Join(destDir, "index.md")
+	data, err := os.ReadFile(output)
+	if err != nil {
+		t.Fatalf("read output index.md: %v", err)
+	}
+
+	content := string(data)
+	if !strings.HasPrefix(content, "---\n") {
+		t.Fatalf("expected Hugo front matter at start, got: %q", content)
+	}
+	if !strings.Contains(content, "title: \"README\"") {
+		t.Fatalf("expected README title in front matter, got: %q", content)
+	}
+	if !strings.Contains(content, "Body text.") {
+		t.Fatalf("expected README body to be preserved, got: %q", content)
+	}
+}