diff --git a/src/types/report.ts b/src/types/report.ts
index 03789c7..f2bc79e 100644
--- a/src/types/report.ts
+++ b/src/types/report.ts
@@ -1,7 +1,7 @@
 // 报告基础类型
 export type ReportType = 'weekly' | 'monthly'
 export type ReportFormat = 'pdf' | 'docx'
-export type ReportStatus = 'pending' | 'generating' | 'completed' | 'failed'
+export type ReportStatus = 'pending' | 'ready' | 'generating' | 'completed' | 'failed'
 
 export interface ReportCreateInput {
   report_type: ReportType
@@ -39,6 +39,7 @@ export interface ClassifiedTicket {
   close_time: string
   duration_minutes: number
   availability: number | null
+  isOngoing?: boolean
 }
 
 // 第一章：每日在线节点统计
@@ -54,7 +55,8 @@ export interface DailyOnlineStats {
 export interface Chapter2FaultItem {
   ip: string
   fault_subcategory: string
-  recoveryDays: number // 0=当日, 1=次日, ≥2=N日后
+  recoveryDays: number // 0=当日, 1=次日, ≥2=N日后（仅已结单有效，进行中时为 0）
+  isOngoing?: boolean
 }
 
 export interface Chapter2Entry {
@@ -72,6 +74,7 @@ export interface Chapter3FaultEntry {
   faultCause: string // "更换" + parts_replaced 或 "-"
   durationMinutes: number
   countedInSla: '是' | '否'
+  isOngoing?: boolean
 }
 
 // 第三章：其他工单表行（7列，表头不同）
@@ -83,6 +86,7 @@ export interface Chapter3OtherEntry {
   ticketConclusion: string // conclusion
   durationMinutes: number
   countedInSla: '是' | '否'
+  isOngoing?: boolean
 }
 
 // 第四章：每IP服务可用性
@@ -91,6 +95,7 @@ export interface Chapter4Entry {
   totalDurationMinutes: number
   monthDays: number
   availabilityPercent: number // e.g. 97.28
+  hasOngoing?: boolean
 }
 
 // 月报顶层聚合数据
@@ -125,6 +130,38 @@ export interface MonthlyReportPreview {
   avgAvailability: number | null
 }
 
+// 预览页完整 metadata 结构（新格式）
+export interface ReportPreviewData {
+	// 原有字段
+	gpuCount: number
+	storageCount: number
+	totalTickets: number
+	gpuFaultCount: number
+	storageFaultCount: number
+	otherTicketCount: number
+	avgAvailability: number
+	// 新增字段
+	resolvedCount: number
+	avgDurationMinutes: number
+	ongoingCount: number
+	faultTicketCount: number
+	affectedDeviceCount: number
+	faultFreeDays: number | null  // 周报为 null
+	availabilityDetails: AvailabilityDetail[] | null  // 周报为 null
+	reportLabel: string
+	// 旧格式兼容
+	summary?: { total_tickets: number; resolved_tickets: number; avg_duration: number; sla_rate: number }
+	categories?: Array<{ fault_category: string; count: number }>
+}
+
+export interface AvailabilityDetail {
+	ip: string
+	deviceType: 'gpu' | 'storage' | 'other'
+	durationMinutes: number
+	availabilityPercent: number
+	isOngoing: boolean
+}
+
 // ===== 周报类型 =====
 
 export interface WeeklyDailyStats {
@@ -157,6 +194,7 @@ export interface WeeklyTicketEntry {
   currentStatus: string    // 'resolved' | 'closed' | 'in_progress' | 'open'
   isResolved: boolean
   steps: TicketStepRaw[]
+  availability: number | null
 }
 
 export interface WeeklyReportData {
@@ -175,3 +213,17 @@ export interface WeeklyReportData {
   resolvedCount: number
   pendingCount: number
 }
+
+// 自然周范围（用于月报嵌入周报）
+export interface WeekRange {
+  index: number        // 第几周 (1, 2, 3, ...)
+  start: string        // "2026-04-01"
+  end: string          // "2026-04-05"
+  label: string        // "第1周（04/01-04/05）"
+}
+
+// 周报附件（嵌入用）
+export interface WeeklyAttachment {
+  label: string
+  buffer: Buffer
+}