feat(m4): add SN batch import with text area dialog

services/delivery-platform-api/src/main/java/cn/craftlabs/platform/api/license/LicenseSnController.java

@@ -6,10 +6,12 @@ import cn.craftlabs.platform.api.web.dto.LicenseSnResponse;
 import cn.craftlabs.platform.api.web.dto.LicenseSnStatusPatchRequest;
 import cn.craftlabs.platform.api.web.dto.LicenseSnUpdateRequest;
 import cn.craftlabs.platform.api.web.dto.PageResponse;
+import cn.craftlabs.platform.api.web.dto.SnBatchImportRequest;
 import jakarta.validation.Valid;
 import jakarta.validation.constraints.Max;
 import jakarta.validation.constraints.Min;
 import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
 import org.springframework.validation.annotation.Validated;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PatchMapping;
@@ -21,6 +23,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.ResponseStatus;
 import org.springframework.web.bind.annotation.RestController;
+import java.util.Map;
 
 @RestController
 @RequestMapping("/api/v1/license-sns")
@@ -65,4 +68,9 @@ public class LicenseSnController {
             @PathVariable("id") long id, @Valid @RequestBody LicenseSnStatusPatchRequest request) {
         return licenseSnService.patchStatus(id, request);
     }
+
+    @PostMapping("/batch-import")
+    public ResponseEntity<Map<String, Object>> batchImport(@RequestBody SnBatchImportRequest request) {
+        return ResponseEntity.ok(licenseSnService.batchImport(request));
+    }
 }

services/delivery-platform-api/src/main/java/cn/craftlabs/platform/api/service/LicenseSnService.java

@@ -15,6 +15,7 @@ import cn.craftlabs.platform.api.web.dto.LicenseSnResponse;
 import cn.craftlabs.platform.api.web.dto.LicenseSnStatusPatchRequest;
 import cn.craftlabs.platform.api.web.dto.LicenseSnUpdateRequest;
 import cn.craftlabs.platform.api.web.dto.PageResponse;
+import cn.craftlabs.platform.api.web.dto.SnBatchImportRequest;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.core.toolkit.Wrappers;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
@@ -103,6 +104,47 @@ public class LicenseSnService {
         return toResponse(row);
     }
 
+    @Transactional
+    public Map<String, Object> batchImport(SnBatchImportRequest request) {
+        int success = 0;
+        int failed = 0;
+        List<String> errors = new java.util.ArrayList<>();
+
+        for (String snCode : request.getSnCodes()) {
+            try {
+                if (snCode == null || snCode.trim().isEmpty()) {
+                    failed++;
+                    continue;
+                }
+                var existing = licenseSnMapper.selectOne(
+                        Wrappers.lambdaQuery(PlatformLicenseSn.class)
+                                .eq(PlatformLicenseSn::getSnCode, snCode.trim()));
+                if (existing != null) {
+                    failed++;
+                    errors.add("SN " + snCode + " 已存在");
+                    continue;
+                }
+                PlatformLicenseSn sn = new PlatformLicenseSn();
+                sn.setSnCode(snCode.trim());
+                sn.setProjectId(request.getProjectId());
+                sn.setContractLineId(request.getContractLineId());
+                sn.setActivationRemark(request.getActivationRemark());
+                sn.setStatus(LicenseSnStatus.REGISTERED.name());
+                licenseSnMapper.insert(sn);
+                success++;
+            } catch (Exception e) {
+                failed++;
+                errors.add("SN " + snCode + ": " + e.getMessage());
+            }
+        }
+
+        Map<String, Object> result = new LinkedHashMap<>();
+        result.put("success", success);
+        result.put("failed", failed);
+        result.put("errors", errors);
+        return result;
+    }
+
     @Transactional(readOnly = true)
     public PageResponse<LicenseSnResponse> page(
             int page, int size, Long projectId, String keyword, String status) {

services/delivery-platform-api/src/main/java/cn/craftlabs/platform/api/web/dto/SnBatchImportRequest.java

@@ -0,0 +1,19 @@
+package cn.craftlabs.platform.api.web.dto;
+
+import java.util.List;
+
+public class SnBatchImportRequest {
+    private List<String> snCodes;
+    private Long projectId;
+    private Long contractLineId;
+    private String activationRemark;
+
+    public List<String> getSnCodes() { return snCodes; }
+    public void setSnCodes(List<String> snCodes) { this.snCodes = snCodes; }
+    public Long getProjectId() { return projectId; }
+    public void setProjectId(Long projectId) { this.projectId = projectId; }
+    public Long getContractLineId() { return contractLineId; }
+    public void setContractLineId(Long contractLineId) { this.contractLineId = contractLineId; }
+    public String getActivationRemark() { return activationRemark; }
+    public void setActivationRemark(String activationRemark) { this.activationRemark = activationRemark; }
+}