diff --git a/apps/admin/src/components.d.ts b/apps/admin/src/components.d.ts
index b79c8fe..e39958f 100644
--- a/apps/admin/src/components.d.ts
+++ b/apps/admin/src/components.d.ts
@@ -18,6 +18,7 @@ declare module 'vue' {
     ElButton: typeof import('element-plus/es')['ElButton']
     ElCascader: typeof import('element-plus/es')['ElCascader']
     ElCheckbox: typeof import('element-plus/es')['ElCheckbox']
+    ElCheckboxGroup: typeof import('element-plus/es')['ElCheckboxGroup']
     ElColorPicker: typeof import('element-plus/es')['ElColorPicker']
     ElContainer: typeof import('element-plus/es')['ElContainer']
     ElDescriptions: typeof import('element-plus/es')['ElDescriptions']
@@ -41,6 +42,7 @@ declare module 'vue' {
     ElOption: typeof import('element-plus/es')['ElOption']
     ElOptionGroup: typeof import('element-plus/es')['ElOptionGroup']
     ElPopover: typeof import('element-plus/es')['ElPopover']
+    ElRadio: typeof import('element-plus/es')['ElRadio']
     ElRadioButton: typeof import('element-plus/es')['ElRadioButton']
     ElRadioGroup: typeof import('element-plus/es')['ElRadioGroup']
     ElSelect: typeof import('element-plus/es')['ElSelect']
diff --git a/apps/admin/src/utils/origin-name.spec.ts b/apps/admin/src/utils/origin-name.spec.ts
new file mode 100644
index 0000000..362ed98
--- /dev/null
+++ b/apps/admin/src/utils/origin-name.spec.ts
@@ -0,0 +1,46 @@
+import { describe, expect, it } from 'vitest';
+import { sameOriginGroup, truncateToProcess } from './origin-name';
+
+describe('truncateToProcess', () => {
+  it('keeps first 3 dash segments (drops warehouse)', () => {
+    expect(truncateToProcess('美国（包邮）180g纯棉T恤成人款-DG001-单面印花-美西洛杉矶一仓'))
+      .toBe('美国（包邮）180g纯棉T恤成人款-DG001-单面印花');
+  });
+  it('is identity for 3-segment names', () => {
+    expect(truncateToProcess('美国（不包邮）230g水洗炒雪花T恤-KRHM003-直喷双面'))
+      .toBe('美国（不包邮）230g水洗炒雪花T恤-KRHM003-直喷双面');
+  });
+  it('handles malformed names without country prefix', () => {
+    expect(truncateToProcess('（不包邮）230g水洗炒雪花T恤-FRTM001-双面印花'))
+      .toBe('（不包邮）230g水洗炒雪花T恤-FRTM001-双面印花');
+  });
+  it('returns empty for null/empty', () => {
+    expect(truncateToProcess(null)).toBe('');
+    expect(truncateToProcess('')).toBe('');
+  });
+});
+
+describe('sameOriginGroup', () => {
+  it('matches same product across warehouses', () => {
+    expect(sameOriginGroup(
+      '美国（包邮）180g纯棉T恤成人款-DG001-单面印花-美西洛杉矶一仓',
+      '美国（包邮）180g纯棉T恤成人款-DG001-单面印花-美中亚特兰大仓',
+    )).toBe(true);
+  });
+  it('does not match different SKU', () => {
+    expect(sameOriginGroup(
+      '美国（包邮）180g纯棉T恤成人款-DG001-单面印花',
+      '美国（包邮）180g纯棉T恤成人款-DG002-单面印花',
+    )).toBe(false);
+  });
+  it('does not match different country', () => {
+    expect(sameOriginGroup(
+      '美国（包邮）T恤-DG001-单面印花',
+      '德国（不包邮）T恤-DG001-单面印花',
+    )).toBe(false);
+  });
+  it('does not match empty names', () => {
+    expect(sameOriginGroup(null, 'x-y-z')).toBe(false);
+    expect(sameOriginGroup('', '')).toBe(false);
+  });
+});
diff --git a/apps/admin/src/utils/origin-name.ts b/apps/admin/src/utils/origin-name.ts
new file mode 100644
index 0000000..7da4a09
--- /dev/null
+++ b/apps/admin/src/utils/origin-name.ts
@@ -0,0 +1,20 @@
+/**
+ * 原产品名匹配规则（见 data-cleaning/README.md 命名调查）：
+ * `国家（物流备注）品名-SKU-工艺位置[-仓库名]`
+ * 截断到「工艺位置」= 保留按 `-` 分段的前 3 段，丢弃可选的仓库名段。
+ * 国家前缀在第 1 段内，天然参与比较（不同国家不合并）。
+ */
+const KEEP_SEGMENTS = 3;
+
+export function truncateToProcess(name: string | null | undefined): string {
+  if (!name) return '';
+  return name.split('-').slice(0, KEEP_SEGMENTS).join('-');
+}
+
+export function sameOriginGroup(
+  a: string | null | undefined,
+  b: string | null | undefined,
+): boolean {
+  const ka = truncateToProcess(a);
+  return ka !== '' && ka === truncateToProcess(b);
+}