feat(finance): oracle legacy integration, bulk params import (multipart), master data expansion, and formula UI polish

src/app/(dashboard)/finance/product-master/[productSysId]/detail-client.tsx

@@ -110,9 +110,9 @@ export default function ProductMasterDetailClient({ productSysId }: Props) {
             </div>
             <Field label="Shade" value={product.shadeCode || "—"} />
             <Field label="Grade" value={product.gradeCode || "—"} />
-            <Field label="ERP item" value={product.erpItemCode || "—"} mono />
-            <Field label="ERP grade 1" value={product.erpGradeCode1 || "—"} mono />
-            <Field label="ERP grade 2" value={product.erpGradeCode2 || "—"} mono />
+            <Field label="Oracle Sys ID" value={product.flex02 || "—"} mono />
+            <Field label="ERP Compound Key" value={product.flex01 || "—"} mono />
+            <Field label="Type Label" value={product.flex03 || "—"} />
             {product.description && (
               <div className="col-span-full">
                 <Field label="Description" value={product.description} />

src/app/(dashboard)/finance/product-master/product-master-page-client.tsx

@@ -21,11 +21,11 @@ import {
 } from "@/components/ui/select"
 import {
   DeactivateProductMasterDialog,
-  ErpLinkageDialog,
   ProductMasterFormDialog,
   ProductMasterTable,
 } from "@/components/finance/cost-product-master"
 import { BulkImportDialog } from "@/components/finance/costing/bulk-import-dialog"
+import { ParamsOnlyImportDialog } from "@/components/finance/costing/params-only-import-dialog"
 import { ImportDialog } from "@/components/finance/costing/import-dialog"
 import { ProductTypeCombobox } from "@/components/finance/comboboxes"
 import { DataTablePagination } from "@/components/shared"
@@ -51,10 +51,10 @@ export default function ProductMasterPageClient() {
   const router = useRouter()
 
   const [formOpen, setFormOpen] = useState(false)
-  const [erpOpen, setErpOpen] = useState(false)
   const [deactivateOpen, setDeactivateOpen] = useState(false)
   const [importOpen, setImportOpen] = useState(false)
   const [bulkImportOpen, setBulkImportOpen] = useState(false)
+  const [paramsImportOpen, setParamsImportOpen] = useState(false)
   const [editing, setEditing] = useState<CostProductMaster | null>(null)
   const [bulkExportLoading, setBulkExportLoading] = useState(false)
 
@@ -68,10 +68,6 @@ export default function ProductMasterPageClient() {
     setEditing(p)
     setFormOpen(true)
   }
-  function openErp(p: CostProductMaster) {
-    setEditing(p)
-    setErpOpen(true)
-  }
   function openDeactivate(p: CostProductMaster) {
     setEditing(p)
     setDeactivateOpen(true)
@@ -129,6 +125,9 @@ export default function ProductMasterPageClient() {
             <DropdownMenuItem onSelect={() => setBulkImportOpen(true)}>
               Import Produk + Routing (Bulk)
             </DropdownMenuItem>
+            <DropdownMenuItem onSelect={() => setParamsImportOpen(true)}>
+              Import Params Saja (Bulk)
+            </DropdownMenuItem>
           </DropdownMenuContent>
         </DropdownMenu>
 
@@ -205,7 +204,6 @@ export default function ProductMasterPageClient() {
         items={items}
         isLoading={isLoading}
         onEdit={openEdit}
-        onLinkErp={openErp}
         onDeactivate={openDeactivate}
       />
 
@@ -229,13 +227,13 @@ export default function ProductMasterPageClient() {
         }
       />
       <ProductMasterFormDialog open={formOpen} onOpenChange={setFormOpen} product={editing} />
-      <ErpLinkageDialog open={erpOpen} onOpenChange={setErpOpen} product={editing} />
       <DeactivateProductMasterDialog
         open={deactivateOpen}
         onOpenChange={setDeactivateOpen}
         product={editing}
       />
       <BulkImportDialog open={bulkImportOpen} onOpenChange={setBulkImportOpen} />
+      <ParamsOnlyImportDialog open={paramsImportOpen} onOpenChange={setParamsImportOpen} />
     </div>
   )
 }

src/app/api/v1/finance/costing/import/bulk_params_only/route.ts

@@ -0,0 +1,73 @@
+// POST /api/v1/finance/costing/import/bulk_params_only
+// Accepts multipart/form-data ("file" field) to avoid JSON number-array inflation:
+// a 50 MB binary file as JSON becomes ~200 MB — this sends the actual binary bytes.
+// Falls back to JSON body (small files only) for backward compatibility.
+// Returns: { base, data: { jobId: number } }
+import { NextRequest, NextResponse } from "next/server"
+import {
+  getCostDataImportClient,
+  createMetadataFromRequest,
+  isGrpcError,
+  handleGrpcError,
+} from "@/lib/grpc"
+
+export async function POST(request: NextRequest) {
+  try {
+    const metadata = createMetadataFromRequest(request)
+    const client = getCostDataImportClient()
+
+    let fileContent: Uint8Array
+    let fileName: string
+
+    const contentType = request.headers.get("content-type") ?? ""
+
+    if (contentType.includes("multipart/form-data")) {
+      const formData = await request.formData()
+      const file = formData.get("file") as File | null
+      if (!file) {
+        return NextResponse.json(
+          {
+            base: {
+              isSuccess: false,
+              statusCode: "400",
+              message: "Missing 'file' field in form data",
+              validationErrors: [],
+            },
+          },
+          { status: 400 },
+        )
+      }
+      fileContent = new Uint8Array(await file.arrayBuffer())
+      fileName = file.name
+    } else {
+      // Legacy JSON fallback
+      const body = await request.json()
+      fileContent = new Uint8Array(body.fileContent as number[])
+      fileName = body.fileName ?? ""
+    }
+
+    const res = await client.importBulkParamsOnly(
+      { fileContent, fileName },
+      metadata,
+    )
+
+    return NextResponse.json({
+      base: res.base,
+      data: { jobId: res.jobId, status: res.status },
+    })
+  } catch (error) {
+    if (isGrpcError(error)) return handleGrpcError(error)
+    console.error("Error importing bulk params:", error)
+    return NextResponse.json(
+      {
+        base: {
+          isSuccess: false,
+          statusCode: "500",
+          message: "Failed to import params",
+          validationErrors: [],
+        },
+      },
+      { status: 500 },
+    )
+  }
+}

src/app/api/v1/finance/costing/template/bulk_params_only/route.ts

@@ -0,0 +1,57 @@
+// GET /api/v1/finance/costing/template/bulk_params_only
+// Returns a 2-sheet Excel template: product_parameters + product_applicable_params.
+// Use this when importing params separately from product master + routing.
+// Supports split part-sheets (e.g. product_parameters_p1, _p2) on import.
+import ExcelJS from "exceljs"
+import { NextResponse } from "next/server"
+
+const SHEETS: { name: string; headers: string[]; sample: string[] }[] = [
+  {
+    name: "product_parameters",
+    headers: [
+      "legacy_oracle_sys_id",
+      "param_code",
+      "data_type",
+      "value_numeric",
+      "value_text",
+      "value_flag",
+    ],
+    sample: ["2512", "PARAM_CODE", "NUMERIC", "100.5", "", ""],
+  },
+  {
+    name: "product_applicable_params",
+    headers: ["legacy_oracle_sys_id", "param_code", "is_required", "display_order"],
+    sample: ["2512", "PARAM_CODE", "true", "1"],
+  },
+]
+
+export async function GET() {
+  const wb = new ExcelJS.Workbook()
+
+  for (const sheet of SHEETS) {
+    const ws = wb.addWorksheet(sheet.name)
+    ws.addRow(sheet.headers)
+    ws.addRow(sheet.sample)
+
+    // Bold header row
+    const headerRow = ws.getRow(1)
+    headerRow.font = { bold: true }
+    headerRow.commit()
+
+    // Auto-width columns
+    sheet.headers.forEach((h, i) => {
+      const col = ws.getColumn(i + 1)
+      col.width = Math.max(h.length + 4, 14)
+    })
+  }
+
+  const buffer = await wb.xlsx.writeBuffer()
+
+  return new NextResponse(buffer, {
+    status: 200,
+    headers: {
+      "Content-Type": "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
+      "Content-Disposition": 'attachment; filename="bulk_params_only_template.xlsx"',
+    },
+  })
+}