From dc71d7b4d961c46ca088e3adc9252895e716d6e0 Mon Sep 17 00:00:00 2001
From: Maxim Dolgolyov <maxim.dolgolyov@gmail.com>
Date: Mon, 22 Jun 2026 17:04:30 +0300
Subject: [PATCH] =?UTF-8?q?fix(gamification):=20=D0=BF=D0=BE=D0=BB=D0=BD?=
 =?UTF-8?q?=D0=BE=D1=82=D0=B0=20kill-switch=20=E2=80=94=20=D0=B8=D1=81?=
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Аудит выключателя геймификации выявил элементы, НЕ покрытые body.no-gamification:
испытания недели (#ch-section/.ch-widget), календарь стриков (.streak-cal),
стат-кольцо стрика (#sr-streak), монеты в профиле (#p-coins-row), чипы стрик/цель
на карточке питомца. Добавлены в CSS kill-switch (ls.css). Бэкенд: updateChallenges
и onLabExperiment писали прогресс/счётчики без проверки флага — добавлен гейт
isGamificationEnabled() (XP/coins/achievements уже гейтились в award*-функциях).

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
---
 backend/src/controllers/gamification/service.js |  2 ++
 frontend/css/ls.css                             | 11 +++++++++++
 2 files changed, 13 insertions(+)

diff --git a/backend/src/controllers/gamification/service.js b/backend/src/controllers/gamification/service.js
index 0c222f8..2d06b6a 100644
--- a/backend/src/controllers/gamification/service.js
+++ b/backend/src/controllers/gamification/service.js
@@ -542,6 +542,7 @@ function onClassJoined(userId) {
 }
 
 function onLabExperiment(userId, reactionsDiscovered) {
+  if (!isGamificationEnabled()) return;       // master kill-switch
   stmts.incrLabExp.run(userId);
   if (reactionsDiscovered > 0) stmts.incrLabReact.run(reactionsDiscovered, userId);
   awardXP(userId, 15, 'lab_experiment');
@@ -650,6 +651,7 @@ function ensureChallenges(userId) {
 }
 
 function updateChallenges(userId, score, total, subjectSlug, topicId) {
+  if (!isGamificationEnabled()) return;       // master kill-switch
   const week = _currentWeek();
   const pct = total > 0 ? Math.round(score / total * 100) : 0;
   const challenges = stmts.getOpenChallenges.all(userId, week);
diff --git a/frontend/css/ls.css b/frontend/css/ls.css
index 337a090..187ae9c 100644
--- a/frontend/css/ls.css
+++ b/frontend/css/ls.css
@@ -1064,6 +1064,17 @@ body.no-gamification .xp-card,
 body.no-gamification .xp-bar,
 body.no-gamification .xp-pill,
 body.no-gamification .xp-badge,
+/* challenges / еженедельные испытания (dashboard) */
+body.no-gamification .ch-widget,
+body.no-gamification #ch-section,
+/* серия/стрик: календарь, стат-кольцо, чипы на карточке питомца */
+body.no-gamification .streak-cal,
+body.no-gamification #sr-streak,
+body.no-gamification .hc-pet .chip-streak,
+body.no-gamification .hc-pet .chip-goal,
+/* монеты (профиль) и xp-прогресс */
+body.no-gamification #p-coins-row,
+body.no-gamification .gam-progress,
 body.no-gamification [data-gamified] { display: none !important; }
 
 /* ══════════════════════════════════════════