From b73faadbaedfbc4a493f691a698f2b4f4d1adc20 Mon Sep 17 00:00:00 2001
From: walker <13750528578@163.com>
Date: Tue, 16 Jun 2026 10:47:08 +0800
Subject: [PATCH] =?UTF-8?q?fix(deck):=20=E5=A2=9E=E5=8A=A0=E9=A1=B5?=
 =?UTF-8?q?=E6=95=B0=E6=A0=A1=E9=AA=8C=E8=AF=8A=E6=96=AD?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 internal/deck/deck.go      | 2 +-
 internal/deck/deck_test.go | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/internal/deck/deck.go b/internal/deck/deck.go
index 6d6f432..4b10739 100644
--- a/internal/deck/deck.go
+++ b/internal/deck/deck.go
@@ -415,7 +415,7 @@ func (d Deck) ValidateWithMaxPages(configuredMaxPages int) error {
 		configuredMaxPages = maxPages
 	}
 	if len(d.Pages) < minPages || len(d.Pages) > configuredMaxPages {
-		return fmt.Errorf("deck must contain %d to %d pages", minPages, configuredMaxPages)
+		return fmt.Errorf("deck must contain %d to %d pages (got %d)", minPages, configuredMaxPages, len(d.Pages))
 	}
 	if d.Pages[0].Variant != "cover" {
 		return fmt.Errorf("first page must use cover variant")
diff --git a/internal/deck/deck_test.go b/internal/deck/deck_test.go
index 53c3cdb..e20bbcf 100644
--- a/internal/deck/deck_test.go
+++ b/internal/deck/deck_test.go
@@ -189,7 +189,7 @@ func TestDeckFromJSONRejectsTooFewPages(t *testing.T) {
 	if err == nil {
 		t.Fatalf("FromJSON() error = nil, want non-nil")
 	}
-	if !strings.Contains(err.Error(), "must contain 3 to 12 pages") {
+	if !strings.Contains(err.Error(), "must contain 3 to 12 pages (got 2)") {
 		t.Fatalf("error = %v", err)
 	}
 }
@@ -207,7 +207,7 @@ func TestDeckFromJSONRejectsThirteenPages(t *testing.T) {
 	if err == nil {
 		t.Fatalf("FromJSON() error = nil, want non-nil")
 	}
-	if !strings.Contains(err.Error(), "deck must contain 3 to 12 pages") {
+	if !strings.Contains(err.Error(), "deck must contain 3 to 12 pages (got 13)") {
 		t.Fatalf("error = %v", err)
 	}
 }