feat: expose readable submission choices

src/xft.ts

@@ -77,7 +77,8 @@ export interface XftSubmissionField {
   required: boolean;
   description?: string;
   multiple?: boolean;
-  options?: unknown[];
+  options?: XftSubmissionOption[];
+  enumLabels?: Record<string, string>;
   moduleType?: string;
   valueFormat?: string;
   itemFields?: Array<Record<string, unknown>>;
@@ -85,6 +86,7 @@ export interface XftSubmissionField {
     tool: "approval_get_submission_options";
     kind: XftSubmissionOptionKind;
   };
+  selectionCapability?: XftSubmissionSelectionCapability;
 }
 
 export type XftSubmissionOptionKind = "department" | "city" | "expense_type";
@@ -94,6 +96,18 @@ export interface XftSubmissionOption {
   label: string;
 }
 
+export type XftSubmissionSelectionCapability =
+  | {
+      status: "supported";
+      userInput: "label";
+      submitValue: "code";
+      exposeInternalValue: false;
+    }
+  | {
+      status: "client_only";
+      reason: string;
+    };
+
 export interface XftApprovalProvider {
   authStatus(user: AuthenticatedDingTalkUser): Promise<{
     authenticated: true;