fix(plans): /v1/plans 500 修复 — plans 表无 name_zh/name_en 列

ListPlans 历来 SELECT name_zh/name_en,但 plans 表从未有这两列(各迁移/seed
均无)→ 该端点一直 500(无 live 测试故未暴露)。改为不查名称列(套餐名是 UI
文案,客户端 PlansScreen 按 code 取 l10n:free/pro/team)。价格等真实字段保留。

已在节点实测:/v1/plans 200,返回 free ¥0 / pro ¥25 / team ¥99。

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

client/lib/widgets/account_screens.dart

@@ -63,6 +63,14 @@ class PlansScreen extends ConsumerWidget {
         _ => const [],
       };
 
+  // 套餐名是 UI 文案(后端 plans 表无名称列),按 code 取 l10n。
+  String _name(String code) => switch (code) {
+        'free' => t.freePlan,
+        'pro' => t.proPlan,
+        'team' => t.teamPlan,
+        _ => code,
+      };
+
   @override
   Widget build(BuildContext context, WidgetRef ref) {
     final c = context.pangolin;
@@ -80,7 +88,7 @@ class PlansScreen extends ConsumerWidget {
                 Padding(
                   padding: EdgeInsets.only(bottom: 14, top: p.code == 'pro' ? 12 : 0),
                   child: PlanCard(
-                    name: p.localizedName(t.lang),
+                    name: _name(p.code),
                     price: p.priceLabel(),
                     period: t.perMonth,
                     features: _feats(p.code),

server/internal/httpapi/account.go

@@ -173,8 +173,6 @@ func (a *AccountAPI) weeklyGB(ctx context.Context, uid int64) []float64 {
 
 type planResponse struct {
 	Code         string `json:"code"`
-	NameZH       string `json:"name_zh"`
-	NameEN       string `json:"name_en"`
 	DailyMinutes *int64 `json:"daily_minutes"` // null = unlimited
 	AdGate       bool   `json:"ad_gate"`
 	PriceCents   int    `json:"price_cents"` // 价格(分);0 = 免费
@@ -183,9 +181,10 @@ type planResponse struct {
 }
 
 // ListPlans handles GET /v1/plans.
+// 套餐名为 UI 文案(客户端按 code 取 l10n),plans 表不含名称列,故不查 name_*。
 func (a *AccountAPI) ListPlans(w http.ResponseWriter, r *http.Request) {
 	rows, err := a.db.QueryContext(r.Context(),
-		`SELECT code, name_zh, name_en, daily_minutes, ad_gate, price_cents, currency, period FROM plans ORDER BY id`)
+		`SELECT code, daily_minutes, ad_gate, price_cents, currency, period FROM plans ORDER BY id`)
 	if err != nil {
 		apierr.WriteJSON(w, http.StatusInternalServerError, apierr.ErrInternal)
 		return
@@ -196,7 +195,7 @@ func (a *AccountAPI) ListPlans(w http.ResponseWriter, r *http.Request) {
 	for rows.Next() {
 		var p planResponse
 		var dm sql.NullInt64
-		if err := rows.Scan(&p.Code, &p.NameZH, &p.NameEN, &dm, &p.AdGate, &p.PriceCents, &p.Currency, &p.Period); err != nil {
+		if err := rows.Scan(&p.Code, &dm, &p.AdGate, &p.PriceCents, &p.Currency, &p.Period); err != nil {
 			apierr.WriteJSON(w, http.StatusInternalServerError, apierr.ErrInternal)
 			return
 		}