feat: 绩效工资改为手动获取+按考核系数着色

后端:
- 建立批次时绩效工资填0，不自动带出
- 获取绩效工资接口返回 details(grade/coefficient/performanceSalary)
- 无考核记录时系数为1.0（绩效工资=基数全额）

前端:
- 存储获取绩效工资返回的 details 到 perfDetails state
- 绩效工资列按系数着色：A级(1.2)绿色/C级(0.8)橙色/D级(0.6)红色
- B级(1.0)和无考核正常色，0值灰色
- hover显示考核等级和系数

frontend/src/pages/money/BatchTab.tsx

@@ -489,6 +489,7 @@ function BatchDetail({ batchId, onBack }: { batchId: string; onBack: () => void
   const [taxDetailFor, setTaxDetailFor] = useState<{ employeeId: string; name: string } | null>(null)
   const [taxDetailData, setTaxDetailData] = useState<any>(null)
   const [taxDetailLoading, setTaxDetailLoading] = useState(false)
+  const [perfDetails, setPerfDetails] = useState<Map<string, { grade: string | null; coefficient: number }>>(new Map())
 
   const { data: batch, isLoading } = useQuery<any>({
     queryKey: ['batch-detail', batchId],
@@ -599,6 +600,13 @@ function BatchDetail({ batchId, onBack }: { batchId: string; onBack: () => void
     onSuccess: (res: any) => {
       queryClient.invalidateQueries({ queryKey: ['batch-detail'] })
       queryClient.invalidateQueries({ queryKey: ['batches'] })
+      if (res.data?.details) {
+        const map = new Map<string, { grade: string | null; coefficient: number }>()
+        for (const d of res.data.details) {
+          map.set(d.employeeId, { grade: d.grade, coefficient: d.coefficient })
+        }
+        setPerfDetails(map)
+      }
       if (res.data?.filled > 0) {
         toast.success(res.data.message)
       } else {
@@ -1229,7 +1237,56 @@ function BatchDetail({ batchId, onBack }: { batchId: string; onBack: () => void
                     })()}
                   </td>
                   {renderCell(entry, 'baseSalary')}
-                  {renderCell(entry, 'performanceSalary')}
+                  {(() => {
+                    const perfVal = entry.performanceSalary || 0
+                    const perfInfo = perfDetails.get(entry.employeeId)
+                    const coef = perfInfo?.coefficient
+                    const grade = perfInfo?.grade
+                    // 颜色：A(1.2)=绿色, C(0.8)=橙色, D(0.6)=红色, B(1.0)/无=默认
+                    let colorClass = ''
+                    let title = ''
+                    if (coef != null && coef !== 1.0) {
+                      if (coef > 1.0) { colorClass = 'text-green-600'; title = `考核等级 ${grade}，系数 ${coef}` }
+                      else if (coef >= 0.8) { colorClass = 'text-orange-600'; title = `考核等级 ${grade}，系数 ${coef}` }
+                      else { colorClass = 'text-red-600'; title = `考核等级 ${grade}，系数 ${coef}` }
+                    } else if (coef === 1.0 && grade) {
+                      title = `考核等级 ${grade}，系数 1.0`
+                    }
+                    const isEditing = editCell?.employeeId === entry.employeeId && editCell?.field === 'performanceSalary'
+                    const canEdit = !isArchived && editableFields.includes('performanceSalary')
+                    if (isEditing) {
+                      return (
+                        <td className="py-1 px-1 text-right" key="performanceSalary">
+                          <input
+                            type="text"
+                            inputMode="decimal"
+                            autoFocus
+                            className="w-24 text-right border-b-2 border-primary bg-transparent px-1 py-0.5 text-xs focus:outline-none [appearance:none]"
+                            value={editValue}
+                            onChange={(e) => setEditValue(e.target.value)}
+                            onBlur={handleBlur}
+                            onKeyDown={handleKeyDown}
+                          />
+                        </td>
+                      )
+                    }
+                    return (
+                      <td
+                        key="performanceSalary"
+                        className={`py-2 px-2 text-right ${canEdit ? 'cursor-text' : ''}`}
+                        onClick={() => canEdit && startEdit(entry.employeeId, 'performanceSalary', perfVal)}
+                        title={title}
+                      >
+                        {canEdit ? (
+                          <span className={`border-b border-dashed border-gray-300 hover:border-primary ${colorClass} ${perfVal === 0 ? 'text-gray-300' : ''}`}>
+                            {fmt(perfVal)}
+                          </span>
+                        ) : (
+                          <span className={`${colorClass} ${perfVal === 0 ? 'text-gray-300' : ''}`}>{fmt(perfVal)}</span>
+                        )}
+                      </td>
+                    )
+                  })()}
                   {renderCell(entry, 'overtimePay')}
                   {renderCell(entry, 'allowance')}
                   {renderCell(entry, 'bonus')}