Merge feature/add_skin into master: resolve all conflicts

- GameGlobal.js: keep upstream SERVER_URL with /ws suffix
- en.js/zh.js: merge both settings.nickname and settings.profile keys
- SettingsScene.js: keep both nickname row and profile button
- server/index.js: merge express app + content security proxy with
  noServer WebSocket mode and path validation
- Add .gitignore for node_modules and .codebuddy

content-security-service/Dockerfile

@@ -0,0 +1,33 @@
+FROM node:18-alpine
+
+LABEL maintainer="tankwar-team"
+LABEL description="Content Security Microservice for UGC moderation"
+
+WORKDIR /app
+
+# Copy package files and install dependencies
+COPY package.json package-lock.json* ./
+RUN npm install --omit=dev --no-audit --no-fund && \
+    npm cache clean --force
+
+# Copy service code
+COPY index.js ./
+COPY services/ ./services/
+
+# Expose HTTP port
+EXPOSE 3000
+
+# Environment defaults
+ENV NODE_ENV=production \
+    HOST=0.0.0.0 \
+    PORT=3000
+
+# Graceful shutdown & init for PID 1
+RUN apk add --no-cache tini
+ENTRYPOINT ["/sbin/tini", "--"]
+
+# Health check
+HEALTHCHECK --interval=30s --timeout=5s --start-period=10s --retries=3 \
+  CMD wget -qO- http://localhost:3000/api/health || exit 1
+
+CMD ["node", "index.js"]