fix: 新生成短篇剧本刷新到历史列表 + 分类标签从实际数据动态生成

- novel_done 事件处理中调用 store.fetchScripts() 刷新剧本列表
- typeTabs 从硬编码改为 computed，根据实际 length 值动态生成
- activeType 默认值从 'long' 改为 'all'（显示全部）
- 过滤逻辑改为精确匹配 length 字段
- 移除无效的 '风格' 硬编码分类标签

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

mini-program/src/pages/main/ScriptLibraryView.vue

@@ -152,7 +152,7 @@ import { useAppStore } from '../../stores/app.js'
 import { toggleFavoriteScript, checkFavoriteScript } from '../../services/epicScript.js'
 
 const store = useAppStore()
-const activeType = ref('long')
+const activeType = ref('all')
 const activeStatus = ref('all')
 const keyword = ref('')
 const sortMode = ref('updated')
@@ -162,11 +162,18 @@ const activeMenuId = ref('')
 const deleteTarget = ref(null)
 const deletingScript = ref(false)
 
-const typeTabs = [
-  { label: '长篇', value: 'long' },
-  { label: '短篇', value: 'short' },
-  { label: '风格', value: 'style' }
-]
+// length 字段值 → 显示标签映射
+const LENGTH_LABELS = { short: '短篇', medium: '中篇', long: '长篇' }
+
+// 从实际剧本数据中提取分类标签，禁止硬编码
+const typeTabs = computed(() => {
+  const lengths = new Set(scripts.value.map(s => s.length || 'medium'))
+  const tabs = [{ label: '全部', value: 'all' }]
+  lengths.forEach(l => {
+    tabs.push({ label: LENGTH_LABELS[l] || l, value: l })
+  })
+  return tabs
+})
 
 const statusFilters = [
   { label: '全部', value: 'all' },
@@ -187,8 +194,8 @@ const visibleScripts = computed(() => {
     }
     if (activeStatus.value === 'favorite') return isFavorite(script)
     if (activeStatus.value !== 'all' && status !== activeStatus.value) return false
-    if (activeType.value === 'short') return script.length === 'short'
-    if (activeType.value === 'long') return script.length !== 'short'
+    // 精确匹配 length 字段，禁止硬编码分类
+    if (activeType.value !== 'all') return script.length === activeType.value
     return true
   })
   return [...filtered].sort((a, b) => {

mini-program/src/pages/main/ScriptView.vue

@@ -1733,6 +1733,8 @@ const handleShortNovelEvent = (event) => {
       generationStatus.value = 'idle'
       pendingNextResponse.value = false
       persistResultMessages()
+      // 从后端刷新剧本列表，确保新生成的短篇出现在历史中（非阻塞）
+      store.fetchScripts()
       break
     }
     case 'error':