feat(config): internal/config (load/save atomik + validasi) — wiring bahasa/suara/animasi + doctor baca config

internal/cli/doctor.go

@@ -7,11 +7,11 @@ import (
 	"fmt"
 	"io"
 	"os"
-	"path/filepath"
 	"runtime"
 	"time"
 
 	"gitea.oxpoe.qzz.io/oxpoe/tia-love/internal/audio"
+	"gitea.oxpoe.qzz.io/oxpoe/tia-love/internal/config"
 	"gitea.oxpoe.qzz.io/oxpoe/tia-love/internal/docker"
 	"gitea.oxpoe.qzz.io/oxpoe/tia-love/internal/i18n"
 )
@@ -51,8 +51,21 @@ func Doctor(w io.Writer) int {
 
 	fmt.Fprintf(w, "go       : %s (%s/%s)\n", runtime.Version(), runtime.GOOS, runtime.GOARCH)
 
-	home, _ := os.UserHomeDir()
-	stacks := filepath.Join(home, ".tia", "stacks")
+	// Konfigurasi & direktori stack.
+	cfg, cfgErr := config.Load()
+	cfgPath := config.Path()
+	switch {
+	case cfgErr != nil:
+		fmt.Fprintf(w, "config   : %s  %v\n", i18n.T("error.warn"), cfgErr)
+	default:
+		if _, err := os.Stat(cfgPath); err != nil {
+			fmt.Fprintf(w, "config   : %s\n", i18n.Tf("doctor.configMissing", cfgPath))
+		} else {
+			fmt.Fprintf(w, "config   : %s\n", cfgPath)
+		}
+	}
+
+	stacks := config.ExpandPath(cfg.StacksDir)
 	if st, err := os.Stat(stacks); err == nil && st.IsDir() {
 		fmt.Fprintf(w, "stacks   : %s\n", stacks)
 	} else {