fix: 财务本人报销由总经理独立审批（09-04-reimbursement-state-gap-finance-view）

server/tests/unit/utils/workflow.test.js

@@ -131,6 +131,50 @@ describe("workflow assignee resolution", () => {
   });
 
   describe("buildApprovalWorkflowSnapshot", () => {
+    it.each([
+      ["small", "finance", null],
+      ["large", "ceo", "finance"],
+    ])("uses exactly one CEO step for finance-owned reimbursement %s", async (_name, level2, level3) => {
+      const tx = buildTx({ ownerRoles: ["finance", "employee"], managerId: MANAGER_ID });
+      const steps = await workflowUtils.buildApprovalWorkflowSnapshot({
+        tx, entityType: "reimbursement", ownerId: OWNER_ID, submitterId: MANAGER_ID,
+        approvalRule: { level1_role: "manager", level2_role: level2, level3_role: level3 },
+      });
+      expect(steps).toEqual([{
+        id: "approval_1_ceo_finance_owner", name: "总经理审批", type: "approval",
+        assignee_rule: { type: "role", value: "ceo" },
+      }]);
+      expect(tx.employeeRole.findFirst).toHaveBeenCalledWith({
+        where: {
+          role_code: "ceo",
+          employee_id: { notIn: [OWNER_ID, MANAGER_ID] },
+          employee: { status: "active", archived_at: null },
+        },
+        select: { employee_id: true },
+      });
+    });
+
+    it.each([["finance"], ["finance", "ceo"]])("blocks finance owner roles %j without non-applicant CEO", async (...ownerRoles) => {
+      const tx = buildTx({ ownerRoles, fallbackHasHolder: false });
+      await expect(workflowUtils.buildApprovalWorkflowSnapshot({
+        tx, entityType: "reimbursement", ownerId: OWNER_ID, submitterId: OWNER_ID,
+        approvalRule: { level1_role: "finance" },
+      })).rejects.toMatchObject({
+        statusCode: 409,
+        details: { workflow: "no_actionable_approver", reason: "finance_owner_ceo_unavailable" },
+      });
+    });
+
+    it("does not simplify other entities or a finance submitter's employee-owned form", async () => {
+      for (const [entityType, ownerRoles] of [["purchase_request", ["finance"]], ["reimbursement", ["employee"]]]) {
+        const steps = await workflowUtils.buildApprovalWorkflowSnapshot({
+          tx: buildTx({ ownerRoles }), entityType, ownerId: OWNER_ID, submitterId: FINANCE_MGR_ID,
+          approvalRule: { level1_role: "manager", level2_role: "ceo", level3_role: "finance" },
+        });
+        expect(steps).toHaveLength(3);
+      }
+    });
+
     it("keeps ordinary employee approval snapshots unchanged", async () => {
       const tx = buildTx({ ownerRoles: ["employee"], managerId: MANAGER_ID });