refactor: remove watchlist export/import functionality

api/watchlist/service_test.go

@@ -2,9 +2,7 @@ package watchlist
 
 import (
 	"context"
-	"database/sql"
 	"testing"
-	"time"
 
 	"mal/internal/db"
 )
@@ -69,57 +67,3 @@ func TestAddEntry_RejectsInvalidStatus(t *testing.T) {
 		t.Fatal("expected no database writes for invalid status")
 	}
 }
-
-func TestExport_UsesDisplayTitleFallbackOrder(t *testing.T) {
-	t.Parallel()
-
-	q := &fakeQuerier{
-		addRows: []database.GetUserWatchListRow{
-			{
-				AnimeID:       101,
-				TitleOriginal: "Original",
-				TitleEnglish:  sql.NullString{String: "English", Valid: true},
-				Status:        "watching",
-				ImageUrl:      "https://img",
-				UpdatedAt:     time.Date(2026, 1, 2, 3, 4, 5, 0, time.UTC),
-			},
-			{
-				AnimeID:       102,
-				TitleOriginal: "Original 2",
-				TitleJapanese: sql.NullString{String: "JP Title", Valid: true},
-				Status:        "completed",
-				ImageUrl:      "https://img2",
-				UpdatedAt:     time.Date(2026, 1, 3, 3, 4, 5, 0, time.UTC),
-			},
-			{
-				AnimeID:       103,
-				TitleOriginal: "Original 3",
-				Status:        "on_hold",
-				ImageUrl:      "https://img3",
-				UpdatedAt:     time.Date(2026, 1, 4, 3, 4, 5, 0, time.UTC),
-			},
-		},
-	}
-
-	svc := NewService(q, nil)
-	export, err := svc.Export(context.Background(), "user-1")
-	if err != nil {
-		t.Fatalf("expected no error, got %v", err)
-	}
-
-	if len(export.Entries) != 3 {
-		t.Fatalf("expected 3 entries, got %d", len(export.Entries))
-	}
-
-	if export.Entries[0].Title != "English" {
-		t.Fatalf("expected english title first, got %q", export.Entries[0].Title)
-	}
-
-	if export.Entries[1].Title != "JP Title" {
-		t.Fatalf("expected japanese title fallback, got %q", export.Entries[1].Title)
-	}
-
-	if export.Entries[2].Title != "Original 3" {
-		t.Fatalf("expected original title fallback, got %q", export.Entries[2].Title)
-	}
-}