fix(backend): 供应商保存兼容新旧字段契约并校验必填

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

cfc-backend/src/main/java/com/etotem/cfc/controller/admin/AdminSupplierController.java

@@ -48,24 +48,70 @@ public class AdminSupplierController {
         return Result.success(data);
     }
 
-    @Operation(summary = "新增供应商")
+    @Operation(summary = "新增供应商（兼容新旧字段契约）")
     @PostMapping("/save")
-    public Result<EcomSupplier> save(@RequestBody EcomSupplier supplier) {
+    public Result<EcomSupplier> save(@RequestBody Map<String, Object> body) {
+        EcomSupplier supplier = new EcomSupplier();
+        applyFields(supplier, body);
+        if (supplier.getName() == null || supplier.getName().trim().isEmpty()) {
+            return Result.error("供应商名称不能为空");
+        }
         supplier.setCreatedAt(new Date());
         supplier.setUpdatedAt(new Date());
         ecomSupplierMapper.insert(supplier);
         return Result.success(supplier);
     }
 
-    @Operation(summary = "更新供应商")
+    @Operation(summary = "更新供应商（兼容新旧字段契约）")
     @PostMapping("/update")
-    public Result<String> update(@RequestBody EcomSupplier supplier) {
-        if (supplier.getId() == null) return Result.error("id不能为空");
+    public Result<String> update(@RequestBody Map<String, Object> body) {
+        Long id = ParamUtils.getLong(body.get("id"));
+        if (id == null) return Result.error("id不能为空");
+        EcomSupplier supplier = ecomSupplierMapper.selectById(id);
+        if (supplier == null) return Result.error("供应商不存在");
+        applyFields(supplier, body);
         supplier.setUpdatedAt(new Date());
         ecomSupplierMapper.updateById(supplier);
         return Result.success("ok");
     }
 
+    /**
+     * 字段契约兼容：前端表单提交 {phone,nickname,realName,vendorType,vendorStatus}，
+     * 库表字段为 {name,contactName,contactPhone,status,remark}。新旧字段都接受，新字段优先。
+     */
+    private void applyFields(EcomSupplier supplier, Map<String, Object> body) {
+        String name = str(body, "nickname", body.get("name"));
+        if (name != null) supplier.setName(name);
+        String contactName = str(body, "realName", body.get("contactName"));
+        if (contactName != null) supplier.setContactName(contactName);
+        String contactPhone = str(body, "phone", body.get("contactPhone"));
+        if (contactPhone != null) supplier.setContactPhone(contactPhone);
+        String remark = str(body, "remark", null);
+        if (remark != null) supplier.setRemark(remark);
+        Object vendorStatus = body.get("vendorStatus") != null ? body.get("vendorStatus") : body.get("status");
+        if (vendorStatus != null) {
+            supplier.setStatus(parseStatus(vendorStatus));
+        }
+    }
+
+    private static String str(Map<String, Object> body, String key, Object fallback) {
+        Object v = body.get(key);
+        if (v == null) v = fallback;
+        return v != null ? v.toString() : null;
+    }
+
+    private static Integer parseStatus(Object v) {
+        if (v instanceof Number) return ((Number) v).intValue();
+        String s = v.toString().trim();
+        if ("active".equalsIgnoreCase(s) || "enabled".equalsIgnoreCase(s) || "1".equals(s)) return 1;
+        if ("pending".equalsIgnoreCase(s) || "disabled".equalsIgnoreCase(s) || "0".equals(s)) return 0;
+        try {
+            return Integer.valueOf(s);
+        } catch (NumberFormatException e) {
+            return 1;
+        }
+    }
+
     @Operation(summary = "删除供应商")
     @PostMapping("/delete")
     public Result<String> delete(@RequestBody Map<String, Object> params) {