实现 B-2b 统一报销工作台迁移（reimbursement-form-shared-component-migration）

client/src/lib/reimbursementWorkspace.ts

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+import type { ReactNode } from "react";
+import type { ReimbursementDetail } from "../api/reimbursements";
+import type { ReimbursementApprovalEvidenceProjection } from "./reimbursementApprovalProjection";
+import { resolveReimbursementDisplayCode } from "./reimbursementDisplay";
+
+export type ReimbursementWorkspaceHeaderModel = {
+  displayCode: string;
+  ownerName: string;
+  reimbursementDate: string | null;
+  totalAmount: string | null;
+  description: string | null;
+};
+
+export type ReimbursementWorkspaceIssueAnchor = {
+  id: string;
+  label: string;
+  severity: "blocking" | "review" | "info";
+};
+
+export type ReimbursementWorkspaceModel = {
+  header: ReimbursementWorkspaceHeaderModel;
+  evidence: ReimbursementApprovalEvidenceProjection;
+  issueAnchors: ReimbursementWorkspaceIssueAnchor[];
+};
+
+export type ReimbursementWorkspaceSlots = {
+  status: ReactNode;
+  backAction?: ReactNode;
+  headerDetails?: ReactNode;
+  beforeEvidence?: ReactNode;
+  afterEvidence?: ReactNode;
+  timeline?: ReactNode;
+  actionPanel?: ReactNode;
+  mobileActions?: ReactNode;
+  transientFeedback?: ReactNode;
+};
+
+export function buildReimbursementWorkspaceHeader(
+  detail: Pick<ReimbursementDetail, "formNumber" | "owner" | "reimbursementDate" | "totalAmount" | "description" | "id">,
+): ReimbursementWorkspaceHeaderModel {
+  return {
+    displayCode: resolveReimbursementDisplayCode(detail),
+    ownerName: detail.owner?.name ?? "-",
+    reimbursementDate: detail.reimbursementDate,
+    totalAmount: detail.totalAmount,
+    description: detail.description,
+  };
+}
+
+export function buildReimbursementWorkspaceIssueAnchors(
+  evidence: ReimbursementApprovalEvidenceProjection,
+  options: { snapshotMissing?: boolean; snapshotInvalid?: boolean } = {},
+): ReimbursementWorkspaceIssueAnchor[] {
+  const anchors: ReimbursementWorkspaceIssueAnchor[] = [];
+  if (options.snapshotInvalid) {
+    anchors.push({ id: "reimbursement-workspace-snapshot", label: "提交记录无法读取", severity: "blocking" });
+  } else if (options.snapshotMissing) {
+    anchors.push({ id: "reimbursement-workspace-snapshot", label: "未留存预算快照", severity: "info" });
+  }
+  if (evidence.currentCheck.unlinkedInvoiceCount) {
+    anchors.push({
+      id: "reimbursement-workspace-unlinked",
+      label: `${evidence.currentCheck.unlinkedInvoiceCount} 张票据尚未选择明细`,
+      severity: "blocking",
+    });
+  }
+  if (evidence.currentCheck.missingInvoiceItemCount) {
+    anchors.push({
+      id: "reimbursement-workspace-evidence",
+      label: `${evidence.currentCheck.missingInvoiceItemCount} 条明细缺少票据`,
+      severity: "review",
+    });
+  }
+  if (evidence.currentCheck.amountUnavailableItemCount) {
+    anchors.push({
+      id: "reimbursement-workspace-evidence",
+      label: `${evidence.currentCheck.amountUnavailableItemCount} 条明细的票面金额未能读取`,
+      severity: "blocking",
+    });
+  }
+  if (evidence.currentCheck.manualReviewItemCount) {
+    anchors.push({
+      id: "reimbursement-workspace-evidence",
+      label: `${evidence.currentCheck.manualReviewItemCount} 条明细需查看原件核对金额`,
+      severity: "review",
+    });
+  }
+  if (evidence.currentCheck.amountExceededItemCount) {
+    anchors.push({
+      id: "reimbursement-workspace-evidence",
+      label: `${evidence.currentCheck.amountExceededItemCount} 条明细申报额高于票面金额`,
+      severity: "blocking",
+    });
+  }
+  return anchors;
+}