feat: 通用授权后台、离线证、Waffo 支付页与仪表盘加强

支持多产品计划展示、LICOFF 离线签发、支付独立配置与调试，以及分析看板；同步更新 README 与集成文档。

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/internal/service/payment/waffo_test.go

@@ -6,7 +6,7 @@ import (
 	"testing"
 )
 
-func TestBuildCheckoutURL_YearlyOnetimeCNY(t *testing.T) {
+func TestResolveBaseCheckoutURL_YearlyOnetimeCNY(t *testing.T) {
 	cfg := WaffoConfig{
 		StoreSlug:          "opsxshell-pwsi6m4n",
 		ProductIDYearly:    "PROD_1BIezCi932IbgCzRIV8hcJ",
@@ -17,16 +17,12 @@ func TestBuildCheckoutURL_YearlyOnetimeCNY(t *testing.T) {
 		Environment:        "test",
 		SuccessURL:         "opsxshell://pro/activated",
 	}
-	raw, err := BuildCheckoutURL(cfg, "ORD1", "dev-1", "a@b.c", "", "yearly")
-	if err != nil {
-		t.Fatal(err)
-	}
-	u, err := url.Parse(raw)
+	u, err := resolveBaseCheckoutURL(cfg, "yearly")
 	if err != nil {
 		t.Fatal(err)
 	}
 	if !strings.Contains(u.Path, "PROD_1BIezCi932IbgCzRIV8hcJ") {
-		t.Fatalf("yearly product missing: %s", raw)
+		t.Fatalf("yearly product missing: %s", u.String())
 	}
 	q := u.Query()
 	if q.Get("type") != "onetime" {
@@ -37,7 +33,7 @@ func TestBuildCheckoutURL_YearlyOnetimeCNY(t *testing.T) {
 	}
 }
 
-func TestBuildCheckoutURL_PerpetualOnetimeCNY(t *testing.T) {
+func TestResolveBaseCheckoutURL_PerpetualOnetimeCNY(t *testing.T) {
 	cfg := WaffoConfig{
 		StoreSlug:          "opsxshell-pwsi6m4n",
 		ProductIDYearly:    "PROD_1BIezCi932IbgCzRIV8hcJ",
@@ -48,16 +44,12 @@ func TestBuildCheckoutURL_PerpetualOnetimeCNY(t *testing.T) {
 		Environment:        "test",
 		SuccessURL:         "opsxshell://pro/activated",
 	}
-	raw, err := BuildCheckoutURL(cfg, "ORD2", "dev-1", "a@b.c", "", "perpetual")
-	if err != nil {
-		t.Fatal(err)
-	}
-	u, err := url.Parse(raw)
+	u, err := resolveBaseCheckoutURL(cfg, "perpetual")
 	if err != nil {
 		t.Fatal(err)
 	}
 	if !strings.Contains(u.Path, "PROD_0pcnzzT4nalEkkcdyIUoD5") {
-		t.Fatalf("perpetual product missing: %s", raw)
+		t.Fatalf("perpetual product missing: %s", u.String())
 	}
 	q := u.Query()
 	if q.Get("type") != "onetime" {
@@ -67,3 +59,21 @@ func TestBuildCheckoutURL_PerpetualOnetimeCNY(t *testing.T) {
 		t.Fatalf("currency=%s want CNY", q.Get("currency"))
 	}
 }
+
+func TestBuildCheckoutURL_HostedFallbackWithoutSlug(t *testing.T) {
+	cfg := WaffoConfig{
+		CheckoutURL: "https://pancake.waffo.ai/store/opsxshell-pwsi6m4n/product/PROD_1BIezCi932IbgCzRIV8hcJ?type=onetime&currency=CNY&test=true",
+		SuccessURL:  "http://l123.91ai.io/api/v1/purchase/success",
+	}
+	raw, err := BuildCheckoutURL(cfg, "ORD1", "dev-1", "a@b.c", "", "yearly")
+	if err != nil {
+		t.Fatal(err)
+	}
+	u, err := url.Parse(raw)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if u.Query().Get("orderNo") != "ORD1" {
+		t.Fatalf("orderNo missing: %s", raw)
+	}
+}