fix: keep submission previews user-readable

test/bridge.test.ts

@@ -249,6 +249,7 @@ test("MCP approval_login returns both portable text and a standard resource link
     assert.match(instructions, /审批引用.*调用容量.*内部分批.*不得向用户解释/);
     assert.match(instructions, /提单草稿仅可保存在 Agent 所在机器.*不得上传网关.*实时模板 Schema/s);
     assert.match(instructions, /所有选择型字段只向用户展示业务名称.*optionSource.*label.*enumLabels.*城市码.*组织码.*工号.*client_only/s);
+    assert.match(instructions, /用户选定label.*values.*code.*不能填label.*工具调用内部/s);
     assert.doesNotMatch(instructions, /最多.*20|selectionId|approvalId|targetId/);
     const history = tools.tools.find((tool) => tool.name === "approval_list_history")!;
     assert.equal((history.inputSchema as any).properties.startDate.default, "");
@@ -258,7 +259,9 @@ test("MCP approval_login returns both portable text and a standard resource link
     assert.match(batch.description ?? "", /Schema容量.*不向用户解释.*任一无效则零写入/s);
     const options = tools.tools.find((tool) => tool.name === "approval_get_submission_options")!;
     assert.deepEqual((options.inputSchema as any).properties.kind.enum, ["department", "city", "expense_type"]);
-    assert.match(options.description ?? "", /所有选项只向用户展示label.*code仅供内部提交/s);
+    assert.match(options.description ?? "", /所有选项只向用户展示label.*values.*code.*不能填label.*工具内部/s);
+    const submissionSchema = tools.tools.find((tool) => tool.name === "approval_get_submission_schema")!;
+    assert.match(submissionSchema.description ?? "", /minimalExample.*尖括号必须替换/);
   } finally {
     await client.close();
     await server.close();