feat: phase 4 - 积分竞猜和游戏黑名单 v0.3.0

竞猜功能：发起竞猜、下注、关闭、开奖、奖池分配
黑名单功能：标记游戏、按原因/严重程度筛选、详情展开
修复：双重结算、TOCTOU竞态、订阅泄漏、选项选择兼容性

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

frontend/src/components/gameBlacklist/CreateBlacklistDialog.vue

@@ -0,0 +1,205 @@
+<script setup lang="ts">
+import { ref } from 'vue'
+import { ElMessage } from 'element-plus'
+import { createBlacklistEntry } from '@/api/gameBlacklist'
+import { useGroupStore } from '@/stores/group'
+import { BlacklistReasonMap, BlacklistSeverityMap } from '@/types'
+import type { BlacklistReason, BlacklistSeverity } from '@/types'
+
+const visible = defineModel<boolean>({ default: false })
+
+const emit = defineEmits<{
+  created: []
+}>()
+
+const groupStore = useGroupStore()
+
+const form = ref({
+  gameName: '',
+  reason: '' as BlacklistReason | '',
+  severity: '' as BlacklistSeverity | '',
+  description: '',
+})
+
+const loading = ref(false)
+
+function resetForm() {
+  form.value = {
+    gameName: '',
+    reason: '',
+    severity: '',
+    description: '',
+  }
+}
+
+async function handleSubmit() {
+  // 校验必填字段
+  if (!form.value.gameName.trim()) {
+    ElMessage.warning('请输入游戏名称')
+    return
+  }
+  if (!form.value.reason) {
+    ElMessage.warning('请选择原因')
+    return
+  }
+  if (!form.value.severity) {
+    ElMessage.warning('请选择严重程度')
+    return
+  }
+  if (!form.value.description.trim()) {
+    ElMessage.warning('请填写描述')
+    return
+  }
+
+  const groupId = groupStore.currentGroupId
+  if (!groupId) {
+    ElMessage.error('请先选择群组')
+    return
+  }
+
+  loading.value = true
+  try {
+    await createBlacklistEntry({
+      group: groupId,
+      gameName: form.value.gameName.trim(),
+      reason: form.value.reason,
+      severity: form.value.severity,
+      description: form.value.description.trim(),
+    })
+
+    visible.value = false
+    resetForm()
+    ElMessage.success('标记成功')
+    emit('created')
+  } catch (error: any) {
+    ElMessage.error(error.message || '标记失败')
+  } finally {
+    loading.value = false
+  }
+}
+
+function handleOpen() {
+  resetForm()
+}
+</script>
+
+<template>
+  <el-dialog
+    v-model="visible"
+    title="标记坑游戏"
+    width="460px"
+    @open="handleOpen"
+  >
+    <div class="create-form">
+      <!-- 游戏名称 -->
+      <div class="form-field">
+        <label>游戏名称 <span class="required">*</span></label>
+        <el-input
+          v-model="form.gameName"
+          placeholder="输入游戏名称"
+          maxlength="100"
+          show-word-limit
+        />
+      </div>
+
+      <!-- 原因选择 -->
+      <div class="form-field">
+        <label>原因 <span class="required">*</span></label>
+        <el-select
+          v-model="form.reason"
+          placeholder="选择原因"
+          style="width: 100%"
+        >
+          <el-option
+            v-for="(label, key) in BlacklistReasonMap"
+            :key="key"
+            :label="label"
+            :value="key"
+          />
+        </el-select>
+      </div>
+
+      <!-- 严重程度 -->
+      <div class="form-field">
+        <label>严重程度 <span class="required">*</span></label>
+        <el-select
+          v-model="form.severity"
+          placeholder="选择严重程度"
+          style="width: 100%"
+        >
+          <el-option
+            v-for="(label, key) in BlacklistSeverityMap"
+            :key="key"
+            :label="label"
+            :value="key"
+          />
+        </el-select>
+      </div>
+
+      <!-- 描述 -->
+      <div class="form-field">
+        <label>描述 <span class="required">*</span></label>
+        <el-input
+          v-model="form.description"
+          type="textarea"
+          placeholder="描述一下为什么这游戏坑"
+          :rows="3"
+          maxlength="500"
+          show-word-limit
+        />
+      </div>
+    </div>
+
+    <template #footer>
+      <el-button @click="visible = false">取消</el-button>
+      <button class="submit-btn" :disabled="loading" @click="handleSubmit">
+        {{ loading ? '提交中...' : '提交' }}
+      </button>
+    </template>
+  </el-dialog>
+</template>
+
+<style scoped>
+.create-form {
+  display: flex;
+  flex-direction: column;
+  gap: 20px;
+}
+
+.form-field {
+  display: flex;
+  flex-direction: column;
+  gap: 8px;
+}
+
+.form-field label {
+  font-size: 14px;
+  font-weight: 500;
+  color: var(--gg-text);
+}
+
+.required {
+  color: var(--gg-danger);
+}
+
+.submit-btn {
+  padding: 8px 20px;
+  border: none;
+  border-radius: var(--gg-radius-sm);
+  background: var(--gg-primary);
+  color: #fff;
+  font-size: 14px;
+  font-weight: 500;
+  cursor: pointer;
+  transition: opacity 0.2s;
+}
+
+.submit-btn:hover {
+  opacity: 0.85;
+}
+
+.submit-btn:disabled {
+  opacity: 0.6;
+  cursor: not-allowed;
+}
+</style>