feat: 完成分享、单会话与发布审批改造

- 增加工作流协作分享与知识库卡片分享入口，统一低版本浏览器复制反馈

- Web 新登录替换旧会话，并保持 API Key 会话隔离

- 发布审批增加必填说明并在审批详情展示

- 账号重置与导入改用可配置默认强密码

easyflow-modules/easyflow-module-approval/src/test/java/tech/easyflow/approval/support/ApprovalApplicationReasonPolicyTest.java

@@ -0,0 +1,67 @@
+package tech.easyflow.approval.support;
+
+import org.junit.Assert;
+import org.junit.Test;
+import tech.easyflow.approval.enums.ApprovalActionType;
+import tech.easyflow.common.web.exceptions.BusinessException;
+
+/**
+ * {@link ApprovalApplicationReasonPolicy} 测试。
+ */
+public class ApprovalApplicationReasonPolicyTest {
+
+    /**
+     * 验证命中发布审批时说明必填并去除首尾空白。
+     */
+    @Test
+    public void shouldNormalizeRequiredPublishReason() {
+        String result = ApprovalApplicationReasonPolicy.normalize(
+                true,
+                ApprovalActionType.PUBLISH.getCode(),
+                "  修复校验逻辑并补充测试  "
+        );
+
+        Assert.assertEquals("修复校验逻辑并补充测试", result);
+    }
+
+    /**
+     * 验证命中发布审批时拒绝空说明。
+     */
+    @Test(expected = BusinessException.class)
+    public void shouldRejectBlankRequiredPublishReason() {
+        ApprovalApplicationReasonPolicy.normalize(
+                true,
+                ApprovalActionType.PUBLISH.getCode(),
+                "   "
+        );
+    }
+
+    /**
+     * 验证命中发布审批时拒绝超过 500 字的说明。
+     */
+    @Test(expected = BusinessException.class)
+    public void shouldRejectOversizedRequiredPublishReason() {
+        ApprovalApplicationReasonPolicy.normalize(
+                true,
+                ApprovalActionType.PUBLISH.getCode(),
+                "a".repeat(501)
+        );
+    }
+
+    /**
+     * 验证未命中审批或非发布动作无需说明。
+     */
+    @Test
+    public void shouldIgnoreReasonWhenItIsNotRequired() {
+        Assert.assertNull(ApprovalApplicationReasonPolicy.normalize(
+                false,
+                ApprovalActionType.PUBLISH.getCode(),
+                null
+        ));
+        Assert.assertNull(ApprovalApplicationReasonPolicy.normalize(
+                true,
+                ApprovalActionType.OFFLINE.getCode(),
+                null
+        ));
+    }
+}