feat(def): 流程定义唯一键改按流程线管 + 归属应用筛选

- flw_def 唯一键 (sch,code,ver)→(sch,flow_guid,ver)（uk_flw_def_guid_ver，生产/本地已手工切索引）：升版本 maxByGuid+1 与唯一键同口径，同编码多条流程线（work-leave 三条线实锤追尾）不再死锁
- 新建永远新开流程线 v1，删除同编码草稿复用；撞唯一键转"保存冲突"友好提示
- 新增 flw_def.app_key 归属应用列：save 全链路透传（升版本缺省继承源线、传非空覆盖）；/admin/def/list 支持 appKey 过滤；新增 /admin/def/appkeys 应用清单（flw_def 已标注 ∪ 已注册回调）
- FlowDefAdminServiceSaveTest 10 用例锁 save 分派语义

src/main/java/com/yunhai/flowcenter/controller/api/FlowAdminController.java

@@ -54,8 +54,15 @@ public class FlowAdminController {
 
     @GetMapping("/def/list")
     public List<FlwDef> defList(BoaUser user,
-                                @RequestParam(value = "status", required = false) Integer status) {
-        return defAdminService.list(adminGuard.requireAdmin(user, null), status);
+                                @RequestParam(value = "status", required = false) Integer status,
+                                @RequestParam(value = "appKey", required = false) String appKey) {
+        return defAdminService.list(adminGuard.requireAdmin(user, null), status, appKey);
+    }
+
+    /** 应用清单（"按应用筛选"下拉）：本校 flw_def 已标注 ∪ 已注册回调的应用 */
+    @GetMapping("/def/appkeys")
+    public List<String> defAppKeys(BoaUser user) {
+        return defAdminService.distinctAppKeys(adminGuard.requireAdmin(user, null));
     }
 
     @GetMapping("/def/get")
@@ -70,7 +77,8 @@ public class FlowAdminController {
         Long id = body.get("id") == null ? null : Long.valueOf(String.valueOf(body.get("id")));
         return defAdminService.save(schId, id,
                 (String) body.get("code"), (String) body.get("name"),
-                (String) body.get("contentJson"), (String) body.get("baseGuid"));
+                (String) body.get("contentJson"), (String) body.get("baseGuid"),
+                (String) body.get("appKey"));
     }
 
     @PostMapping("/def/publish/{id}")

src/main/java/com/yunhai/flowcenter/entity/FlwDef.java

@@ -20,8 +20,8 @@ import java.time.LocalDateTime;
 @Setter
 @Entity
 @Table(name = "flw_def",
-        uniqueConstraints = @UniqueConstraint(name = "uk_flw_def_sch_code_ver",
-                columnNames = {"sch_id", "code", "version"}),
+        uniqueConstraints = @UniqueConstraint(name = "uk_flw_def_guid_ver",
+                columnNames = {"sch_id", "flow_guid", "version"}),
         indexes = @Index(name = "idx_flw_def_guid", columnList = "sch_id, flow_guid, status, version"))
 public class FlwDef extends BaseEntity {
 
@@ -33,7 +33,10 @@ public class FlwDef extends BaseEntity {
     @Column(name = "flow_guid", nullable = false, length = 32)
     private String flowGuid;
 
-    /** 流程编码（本应用内部管理键） */
+    /**
+     * 流程编码（管理端分类/检索标签，可重名）。2026-10-10 起唯一键改为 (sch_id, flow_guid, version)，
+     * 编码不再承担唯一性——多条流程线（如同为请假的产假/丧假）可共用一个编码。
+     */
     @Column(name = "code", nullable = false, length = 64)
     private String code;
 
@@ -41,6 +44,10 @@ public class FlwDef extends BaseEntity {
     @Column(name = "name", nullable = false, length = 128)
     private String name;
 
+    /** 归属应用（子应用 appKey，可空=未分配；管理端"按应用筛选"维度，2026-10-10） */
+    @Column(name = "app_key", length = 64)
+    private String appKey;
+
     /** 版本，发布后不可改，改定义=升版本 */
     @Column(name = "version", nullable = false)
     private Integer version;

src/main/java/com/yunhai/flowcenter/repository/FlwCallbackRegRepository.java

@@ -2,6 +2,8 @@ package com.yunhai.flowcenter.repository;
 
 import com.yunhai.flowcenter.entity.FlwCallbackReg;
 import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.data.repository.query.Param;
 
 import java.util.List;
 import java.util.Optional;
@@ -14,4 +16,8 @@ public interface FlwCallbackRegRepository extends JpaRepository<FlwCallbackReg,
     List<FlwCallbackReg> findBySchIdAndFlowGuidAndStatus(Long schId, String flowGuid, Integer status);
 
     List<FlwCallbackReg> findBySchIdOrderByUpdateTimeDesc(Long schId);
+
+    /** "按应用筛选"下拉数据源之一：本校注册过回调的应用 */
+    @Query("select distinct r.appKey from FlwCallbackReg r where r.schId = :schId")
+    List<String> findDistinctAppKeysBySchId(@Param("schId") Long schId);
 }

src/main/java/com/yunhai/flowcenter/repository/FlwDefRepository.java

@@ -18,16 +18,12 @@ public interface FlwDefRepository extends JpaRepository<FlwDef, Long> {
     /** 任意状态（回调注册只要求流程线存在） */
     Optional<FlwDef> findFirstBySchIdAndFlowGuidOrderByVersionDesc(Long schId, String flowGuid);
 
-    /** 同名草稿（保存新建时复用，避免 uk 冲突） */
-    Optional<FlwDef> findFirstBySchIdAndCodeAndStatus(Long schId, String code, Integer status);
-
-    @Query("select coalesce(max(d.version), 0) from FlwDef d where d.schId = :schId and d.code = :code")
-    int maxVersionByCode(@Param("schId") Long schId, @Param("code") String code);
-
     @Query("select coalesce(max(d.version), 0) from FlwDef d where d.schId = :schId and d.flowGuid = :flowGuid")
     int maxVersionByGuid(@Param("schId") Long schId, @Param("flowGuid") String flowGuid);
 
-    Optional<FlwDef> findFirstBySchIdAndCodeOrderByVersionDesc(Long schId, String code);
+    /** "按应用筛选"下拉数据源之一：本校 flw_def 已标注的应用 */
+    @Query("select distinct d.appKey from FlwDef d where d.schId = :schId and d.appKey is not null")
+    List<String> findDistinctAppKeys(@Param("schId") Long schId);
 
     List<FlwDef> findBySchIdAndFlowGuidOrderByVersionDesc(Long schId, String flowGuid);
 

src/main/java/com/yunhai/flowcenter/service/FlowDefAdminService.java

@@ -12,12 +12,15 @@ import com.yunhai.flowcenter.repository.FlwDefRepository;
 import com.yunhai.platform.apistd.BizException;
 import com.yunhai.platform.utils.exception.ErrorCode;
 import lombok.RequiredArgsConstructor;
+import org.springframework.dao.DataIntegrityViolationException;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
 import java.time.LocalDateTime;
+import java.util.ArrayList;
 import java.util.List;
 import java.util.Set;
+import java.util.TreeSet;
 import java.util.UUID;
 import java.util.stream.Collectors;
 
@@ -32,15 +35,28 @@ public class FlowDefAdminService {
     private final FlwDefRepository defRepository;
     private final FlwAssigneeMapRepository mapRepository;
     private final com.yunhai.flowcenter.repository.FlwRouterRepository routerRepository;
+    private final com.yunhai.flowcenter.repository.FlwCallbackRegRepository regRepository;
     private final FlowEngine flowEngine;
     private final ObjectMapper objectMapper;
 
-    /** 定义列表：status 空=全量（各流程线各版本都展示，管理端"版本历史"内聚在行操作里） */
-    public List<FlwDef> list(Long schId, Integer status) {
-        if (status != null) {
-            return defRepository.findBySchIdAndStatusOrderByUpdateTimeDesc(schId, status);
+    /** 定义列表：status/appKey 可选过滤（各流程线各版本都展示；appKey 精确匹配，2026-10-10 按应用筛选） */
+    public List<FlwDef> list(Long schId, Integer status, String appKey) {
+        List<FlwDef> rows = status != null
+                ? defRepository.findBySchIdAndStatusOrderByUpdateTimeDesc(schId, status)
+                : defRepository.findBySchIdOrderByUpdateTimeDesc(schId);
+        String key = appKey == null ? null : appKey.trim();
+        if (key != null && !key.isEmpty()) {
+            rows = rows.stream().filter(d -> key.equals(d.getAppKey())).collect(Collectors.toList());
         }
-        return defRepository.findBySchIdOrderByUpdateTimeDesc(schId);
+        return rows;
+    }
+
+    /** 应用清单（"按应用筛选"下拉数据源）：本校 flw_def 已标注 ∪ 已注册回调的应用，去重排序 */
+    public List<String> distinctAppKeys(Long schId) {
+        TreeSet<String> keys = new TreeSet<>();
+        keys.addAll(defRepository.findDistinctAppKeys(schId));
+        keys.addAll(regRepository.findDistinctAppKeysBySchId(schId));
+        return new ArrayList<>(keys);
     }
 
     /** 全量列表（管理端首页：各流程线最新版本+状态聚合展示简化为全量返回） */
@@ -54,14 +70,15 @@ public class FlowDefAdminService {
     }
 
     /**
-     * 保存（新建语义按 baseGuid/同名草稿分派，避免 uk(sch,code,version) 冲突）：
+     * 保存（2026-10-10 起唯一键为 uk(sch,flow_guid,version)，编码降级为可重名的分类标签）：
      * - id 非空：草稿直改；已发布/停用=复制升版本（同 flowGuid，version=max+1）
      * - id 空 + baseGuid 非空：在该流程线上开新版本草稿（version=max+1，flowGuid 不变）——前端"升版本"
-     * - id 空 + 同名草稿存在：复用该草稿直改
-     * - id 空 + 全新 code：新流程线（flowGuid 生成，version=1）
+     * - id 空：永远新开一条流程线（flowGuid 生成，version=1）；同编码多条线合法，前端保存前有软提示
+     * appKey=归属应用（筛选维度）：新建/草稿直改直接落库；升版本（baseGuid/已发布行）缺省继承源线，传非空则覆盖
      */
     @Transactional
-    public FlwDef save(Long schId, Long id, String code, String name, String contentJson, String baseGuid) {
+    public FlwDef save(Long schId, Long id, String code, String name, String contentJson, String baseGuid, String appKey) {
+        String cleanAppKey = (appKey == null || appKey.trim().isEmpty()) ? null : appKey.trim();
         // JSON 先解析再落库（语法错误不进库）
         FlowDefModel parsed = FlowDefModel.parse(objectMapper, contentJson);
         if (code == null || code.trim().isEmpty() || name == null || name.trim().isEmpty()) {
@@ -69,8 +86,8 @@ public class FlowDefAdminService {
         }
         FlwDef def;
         if (id == null && baseGuid != null && !baseGuid.trim().isEmpty()) {
-            // 在既有流程线上开新版本草稿
-            defRepository.findFirstBySchIdAndFlowGuidOrderByVersionDesc(schId, baseGuid.trim())
+            // 在既有流程线上开新版本草稿（appKey 缺省继承源线）
+            FlwDef base = defRepository.findFirstBySchIdAndFlowGuidOrderByVersionDesc(schId, baseGuid.trim())
                     .orElseThrow(() -> new BizException(ErrorCode.PARAM_ERROR, "baseGuid 流程线不存在"));
             def = new FlwDef();
             def.setSchId(schId);
@@ -78,25 +95,24 @@ public class FlowDefAdminService {
             def.setCode(code.trim());
             def.setVersion(defRepository.maxVersionByGuid(schId, baseGuid.trim()) + 1);
             def.setStatus(FlwEnums.DefStatus.DRAFT.getCode());
+            def.setAppKey(cleanAppKey != null ? cleanAppKey : base.getAppKey());
         } else if (id == null) {
-            FlwDef draft = defRepository.findFirstBySchIdAndCodeAndStatus(
-                    schId, code.trim(), FlwEnums.DefStatus.DRAFT.getCode()).orElse(null);
-            if (draft != null) {
-                // 同名草稿复用直改
-                def = draft;
-            } else {
-                def = new FlwDef();
-                def.setSchId(schId);
-                def.setFlowGuid(UUID.randomUUID().toString().replace("-", "").toLowerCase());
-                def.setCode(code.trim());
-                def.setVersion(defRepository.maxVersionByCode(schId, code.trim()) + 1);
-                def.setStatus(FlwEnums.DefStatus.DRAFT.getCode());
-            }
+            // 新建：永远新开一条流程线，版本从 1 起（不再做同编码草稿复用）
+            def = new FlwDef();
+            def.setSchId(schId);
+            def.setFlowGuid(UUID.randomUUID().toString().replace("-", "").toLowerCase());
+            def.setCode(code.trim());
+            def.setVersion(1);
+            def.setStatus(FlwEnums.DefStatus.DRAFT.getCode());
+            def.setAppKey(cleanAppKey);
         } else {
             def = requireDef(schId, id);
             if (!def.getCode().equals(code.trim())) {
                 throw new BizException(ErrorCode.PARAM_ERROR, "流程编码不可修改");
             }
+            if (cleanAppKey != null) {
+                def.setAppKey(cleanAppKey);
+            }
             if (def.getStatus() != FlwEnums.DefStatus.DRAFT.getCode()) {
                 // 升版本：复制行，保持 flowGuid
                 FlwDef next = new FlwDef();
@@ -105,6 +121,7 @@ public class FlowDefAdminService {
                 next.setCode(def.getCode());
                 next.setVersion(defRepository.maxVersionByGuid(schId, def.getFlowGuid()) + 1);
                 next.setStatus(FlwEnums.DefStatus.DRAFT.getCode());
+                next.setAppKey(cleanAppKey != null ? cleanAppKey : def.getAppKey());
                 def = next;
             }
         }
@@ -118,7 +135,12 @@ public class FlowDefAdminService {
         if (parsed.name != null && !parsed.name.trim().isEmpty()) {
             def.setName(parsed.name.trim());
         }
-        return defRepository.save(def);
+        try {
+            return defRepository.save(def);
+        } catch (DataIntegrityViolationException e) {
+            // 撞唯一键 (sch,flow_guid,version)：并发升版本同一线时可能撞号，转可理解提示（原样抛出=笼统"内部服务错误"）
+            throw new BizException(ErrorCode.PARAM_ERROR, "保存冲突：该流程可能正被他人同时升版本，请返回列表刷新后重试");
+        }
     }
 
     /** 发布：静态校验（START/END 唯一、无孤儿无环、DEPT_KEY 有启用映射）后置为已发布 */