SNAPSHOT W7 已部署稳定态 — 凯迪ERP+OA一体化平台 (MET 73.3%)

恢复点(restore point)。别人改崩后可 git reset --hard 回到此提交。

== 此快照内容 ==
- 后端 oa-backend: 734 控制器 / 711 实体 (Spring Boot 3.2.5 + SQLite, 端口8091)
- 前端 modern-ui/app: Vue3+Vite, 约700页 (构建产物已在 oa-backend/src/main/resources/static)
- 数据库 oa-backend/data/oa.db: 含全部演示数据 (强制入库, 6.6MB)
- 交接文档 go.md + go-code-reference/endpoints/entities/database.md
- 多代理建设脚本 .claude/wf-*.js

== 状态 ==
- 对 凯迪科技ERP_20260507.xlsx 合规 MET ~73.3% (PARTIAL 75: 34可建+6种子/bug+35外部硬天花板)
- 安全: 5轮红队+5轮复检, default-deny分级鉴权, 连续零可利用
- W3~W7 累计补完436缺口; W8末轮(40缺口)为半成品(源码树可编译但未集成)
- 运行: cd oa-backend; java -jar build/libs/oa-backend-0.1.0.jar --server.port=8091; admin/123456

== 排除(gitignore, 可再生) ==
node_modules / oa-backend/build / .jdks / *.log / Backup-ERP-* / 弃用的OFBiz核心(只保留modern-ui)
完整文件夹备份见同目录 Backup-ERP-20260615-191517/ (含上述全部, 仅缺 node_modules)

时间戳: 20260615-191517

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

oa-backend/src/main/java/com/kaidi/oa/web/DesignChangeController.java

@@ -0,0 +1,101 @@
+package com.kaidi.oa.web;
+
+import com.kaidi.oa.common.ApiException;
+import com.kaidi.oa.common.ApiResp;
+import com.kaidi.oa.common.NotFoundException;
+import com.kaidi.oa.domain.DesignChange;
+import com.kaidi.oa.repository.DesignChangeRepository;
+import org.springframework.web.bind.annotation.DeleteMapping;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.PutMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.time.Instant;
+import java.util.List;
+
+/**
+ * Design research center (设计研究中心) design changes. changeType is one of
+ * 设计变更 / 技术核定 / 工程洽商; status is one of 申请 / 审批中 / 已实施 / 已驳回,
+ * defaulting to 申请 on create.
+ */
+@RestController
+@RequestMapping("/api/oa/design-changes")
+public class DesignChangeController {
+
+    private final DesignChangeRepository changeRepo;
+
+    public DesignChangeController(DesignChangeRepository changeRepo) {
+        this.changeRepo = changeRepo;
+    }
+
+    @GetMapping
+    public ApiResp<List<DesignChange>> list(@RequestParam(required = false) String status) {
+        List<DesignChange> list;
+        if (status != null && !status.isBlank()) {
+            list = changeRepo.findByStatus(status);
+        } else {
+            list = changeRepo.findAll();
+        }
+        return ApiResp.ok(list);
+    }
+
+    @GetMapping("/{id}")
+    public ApiResp<DesignChange> get(@PathVariable Long id) {
+        return ApiResp.ok(changeRepo.findById(id)
+                .orElseThrow(() -> new NotFoundException("design change not found: " + id)));
+    }
+
+    public record CreateDesignChangeRequest(
+            String docName, String projectName, String reason, String changeType,
+            String impact, String status, String applicant) {
+    }
+
+    @PostMapping
+    public ApiResp<DesignChange> create(@RequestBody CreateDesignChangeRequest req) {
+        boolean noDocName = req.docName() == null || req.docName().isBlank();
+        boolean noProjectName = req.projectName() == null || req.projectName().isBlank();
+        if (noDocName && noProjectName) {
+            throw new ApiException(400, "docName or projectName is required");
+        }
+        DesignChange c = new DesignChange();
+        c.setDocName(req.docName());
+        c.setProjectName(req.projectName());
+        c.setReason(req.reason());
+        c.setChangeType(req.changeType());
+        c.setImpact(req.impact());
+        c.setStatus(req.status() == null || req.status().isBlank() ? "申请" : req.status());
+        c.setApplicant(req.applicant());
+        c.setCreatedAt(Instant.now());
+        return ApiResp.ok(changeRepo.save(c));
+    }
+
+    /** PUT /{id} -> 编辑设计变更; 只覆盖请求体里给出的字段。 */
+    @PutMapping("/{id}")
+    public ApiResp<DesignChange> update(@PathVariable Long id, @RequestBody CreateDesignChangeRequest req) {
+        DesignChange c = changeRepo.findById(id)
+                .orElseThrow(() -> new NotFoundException("design change not found: " + id));
+        if (req.docName() != null) c.setDocName(req.docName());
+        if (req.projectName() != null) c.setProjectName(req.projectName());
+        if (req.reason() != null) c.setReason(req.reason());
+        if (req.changeType() != null) c.setChangeType(req.changeType());
+        if (req.impact() != null) c.setImpact(req.impact());
+        if (req.status() != null && !req.status().isBlank()) c.setStatus(req.status());
+        if (req.applicant() != null) c.setApplicant(req.applicant());
+        return ApiResp.ok(changeRepo.save(c));
+    }
+
+    /** DELETE /{id} -> 删除设计变更。 */
+    @DeleteMapping("/{id}")
+    public ApiResp<Void> delete(@PathVariable Long id) {
+        if (!changeRepo.existsById(id)) {
+            throw new NotFoundException("design change not found: " + id);
+        }
+        changeRepo.deleteById(id);
+        return ApiResp.ok(null);
+    }
+}