修复项目管理问题

src/lib/reportExportBuilders.ts

@@ -245,6 +245,19 @@ export const toScaleProNum = (row: ScaleMethodRowLike): number => {
   return parsed.proNum > 0 ? parsed.proNum : 1
 }
 
+const dedupeScaleMethodRows = (rows: ScaleMethodRowLike[] | undefined): ScaleMethodRowLike[] => {
+  if (!Array.isArray(rows) || rows.length === 0) return []
+  const deduped = new Map<string, ScaleMethodRowLike>()
+  for (const row of rows) {
+    const major = toScaleMajorId(row)
+    if (major == null) continue
+    const proNum = toScaleProNum(row)
+    // 同一项目+专业出现重复行时，以最后一条为准，兜底旧浏览器内存态重复污染。
+    deduped.set(`${proNum}::${major}`, row)
+  }
+  return Array.from(deduped.values())
+}
+
 export const normalizeTaskText = (value: unknown): string => String(value || '').trim()
 
 export const resolveTaskRowServiceId = (row: WorkContentRowLike): number | null =>
@@ -392,10 +405,11 @@ export const toExportScaleRows = (rows: ScaleRowLike[] | undefined) => {
 }
 
 export const buildMethod1 = (rows: ScaleMethodRowLike[] | undefined) => {
-  if (!Array.isArray(rows)) return null
+  const normalizedRows = dedupeScaleMethodRows(rows)
+  if (normalizedRows.length === 0) return null
   let hasTotalValue = false
   const proSet = new Set<number>()
-  const det = rows
+  const det = normalizedRows
     .map(row => {
       const major = toScaleMajorId(row)
       if (major == null) return null
@@ -441,10 +455,11 @@ export const buildMethod1 = (rows: ScaleMethodRowLike[] | undefined) => {
 }
 
 export const buildMethod2 = (rows: ScaleMethodRowLike[] | undefined) => {
-  if (!Array.isArray(rows)) return null
+  const normalizedRows = dedupeScaleMethodRows(rows)
+  if (normalizedRows.length === 0) return null
   let hasTotalValue = false
   const proSet = new Set<number>()
-  const det = rows
+  const det = normalizedRows
     .map(row => {
       const major = toScaleMajorId(row)
       if (major == null) return null