feat: 集成 KieAI 服务，移除 models-integration 子项目

- 添加 Gemini 2.5 Flash 对话接口（流式+非流式）
- 添加 NanoBanana 图像生成/编辑接口
- 添加 Sora2 视频生成接口（文生视频、图生视频、去水印）
- 移除 models-integration 子项目（功能已迁移至主后端）
- 新增测试文档和 Playwright E2E 配置
- 更新前端页面和 API 接口
- 更新后端配置和日志处理

msh_single_uniapp/pages/tool/checkin.vue

@@ -36,9 +36,13 @@
 				</view>
 			</view>
 
-			<!-- 立即打卡按钮 -->
-			<view class="checkin-btn" @click="handleCheckin">
-				<text>立即打卡</text>
+			<!-- 立即打卡按钮：今日已打卡则显示灰色不可点 -->
+			<view
+				class="checkin-btn"
+				:class="{ 'checkin-btn-disabled': todaySigned }"
+				@click="handleCheckin"
+			>
+				<text>{{ todaySigned ? '今日已打卡' : '立即打卡' }}</text>
 			</view>
 		</view>
 
@@ -108,6 +112,7 @@
 export default {
 	data() {
 		return {
+			todaySigned: false,
 			currentPoints: 522,
 			streakDays: [
 				{ day: 1, completed: false, special: false  },
@@ -170,6 +175,11 @@ export default {
 		}
 	},
 	onLoad() {
+		const { checkLogin, toLogin } = require('@/libs/login.js');
+		if (!checkLogin()) {
+			toLogin();
+			return;
+		}
 		this.loadCheckinData();
 	},
 	onShow() {
@@ -180,31 +190,32 @@ export default {
 		async loadCheckinData() {
 			try {
 				const { getUserPoints, getCheckinStreak, getCheckinTasks } = await import('@/api/tool.js');
-				
-				// 并行加载数据
-				const [pointsRes, streakRes, tasksRes] = await Promise.all([
+				const { getSignGet } = await import('@/api/user.js');
+
+				const [pointsRes, streakRes, tasksRes, signRes] = await Promise.all([
 					getUserPoints().catch(() => ({ data: { points: 0 } })),
 					getCheckinStreak().catch(() => ({ data: { streakDays: 7, currentStreak: 0 } })),
-					getCheckinTasks().catch(() => ({ data: { tasks: [] } }))
+					getCheckinTasks().catch(() => ({ data: { tasks: [] } })),
+					getSignGet().catch(() => ({ data: { today: false } }))
 				]);
-				
-				// 更新积分
-				if (pointsRes.data) {
-					this.currentPoints = pointsRes.data.points || 0;
+
+				if (signRes && signRes.data && signRes.data.today) {
+					this.todaySigned = true;
 				}
-				
-				// 更新连续打卡天数
+
+				if (pointsRes.data) {
+					this.currentPoints = pointsRes.data.totalPoints ?? pointsRes.data.points ?? 0;
+				}
+
 				if (streakRes.data) {
 					const streak = streakRes.data.currentStreak || 0;
-					// 生成连续打卡天数数组
 					this.streakDays = Array.from({ length: 7 }, (_, i) => ({
 						day: i + 1,
 						completed: i < streak,
-						special: i === 6 // 第7天特殊标记
+						special: i === 6
 					}));
 				}
-				
-				// 更新任务列表
+
 				if (tasksRes.data && tasksRes.data.tasks && tasksRes.data.tasks.length > 0) {
 					this.taskList = tasksRes.data.tasks.map(task => ({
 						id: task.id || task.taskId,
@@ -224,16 +235,39 @@ export default {
 				url: '/pages/tool/points-rules'
 			})
 		},
-		handleCheckin() {
+		async handleCheckin() {
+			if (this.todaySigned) {
+				uni.showToast({ title: '今日已打卡', icon: 'none' });
+				return;
+			}
+			try {
+				const { setSignIntegral, getUserInfo } = await import('@/api/user.js');
+				const { getUserPoints } = await import('@/api/tool.js');
+				// 子问题 A：不在 API 成功前修改 currentPoints，避免积分提前跳变
+				await setSignIntegral();
+				this.todaySigned = true;
+				// 子问题 B：打卡成功后用服务端最新积分刷新，优先 GET /api/front/user/info，禁止前端本地 +30
+				const userRes = await getUserInfo();
+				if (userRes && userRes.data && (userRes.data.integral != null || userRes.data.points != null)) {
+					this.currentPoints = userRes.data.integral ?? userRes.data.points ?? 0;
+				} else {
+					const pointsRes = await getUserPoints();
+					if (pointsRes && pointsRes.data) {
+						const serverPoints = pointsRes.data.totalPoints ?? pointsRes.data.points ?? pointsRes.data.availablePoints ?? 0;
+						this.currentPoints = serverPoints;
+					}
+				}
+			} catch (e) {
+				const msg = (typeof e === 'string' ? e : (e && (e.message || e.msg))) || '打卡失败';
+				if (msg.includes('今日已签到') || msg.includes('不可重复')) {
+					this.todaySigned = true;
+				}
+				uni.showToast({ title: msg, icon: 'none' });
+				return;
+			}
 			uni.navigateTo({
 				url: '/pages/tool/checkin-publish'
-			})
-			// 更新打卡状态
-			const todayIndex = this.getTodayIndex()
-			if (todayIndex >= 0 && todayIndex < this.streakDays.length) {
-				// this.streakDays[todayIndex].completed = true
-				this.currentPoints += 30 // 每日打卡获得30积分
-			}
+			});
 		},
 		getTodayIndex() {
 			// 根据连续打卡数据计算当前是第几天
@@ -388,7 +422,7 @@ export default {
 	padding: 20rpx;
 	text-align: center;
 	box-shadow: 0 16rpx 48rpx rgba(255, 107, 53, 0.35);
-	
+
 	text {
 		font-size: 32rpx;
 		color: #ffffff;
@@ -396,6 +430,12 @@ export default {
 	}
 }
 
+.checkin-btn-disabled {
+	background: linear-gradient(135deg, #c4c4c4 0%, #e0e0e0 100%);
+	box-shadow: none;
+	opacity: 0.9;
+}
+
 /* 通用区块样式 */
 .section {
 	margin: 48rpx 32rpx 0;