修复报销票据门禁提示与 OCR 降级（08-30-b2-submit-error-ocr-fallback）

.trellis/tasks/08-30-b2-submit-error-ocr-fallback/task.json

@@ -0,0 +1,34 @@
+{
+  "id": "b2-submit-error-ocr-fallback",
+  "name": "b2-submit-error-ocr-fallback",
+  "title": "B2 提交错误可解释性与 OCR 降级合同核验",
+  "description": "先只读确认生产 OCR 状态和真实提交阻断；必要时经独立授权应急回退 B2，再修复三类提交错误呈现及 OCR off 降级合同。",
+  "status": "in_progress",
+  "dev_type": "fullstack",
+  "scope": "server reimbursement submit/invoice linking, client PC/mobile error recovery, reimbursement OCR facts/spec",
+  "package": "hyb-oa",
+  "priority": "P0",
+  "creator": "shunli",
+  "assignee": "shunli",
+  "createdAt": "2026-08-30",
+  "completedAt": null,
+  "branch": null,
+  "base_branch": "main",
+  "worktree_path": null,
+  "commit": null,
+  "pr_url": null,
+  "subtasks": [],
+  "children": [],
+  "parent": "08-29-reimbursement-expense-policy-invoice-guard",
+  "relatedFiles": [
+    "server/src/routes/reimbursements.js",
+    "server/src/routes/invoicePool.js",
+    "client/src/api/errorMessages.ts",
+    "client/src/pages/ReimbursementDetailPage.tsx",
+    "client/src/pages/MobileReimbursementDetailPage.tsx",
+    "docs/报销发票附件规则.md",
+    ".trellis/spec/hyb-oa/reimbursement-invoice-ocr.md"
+  ],
+  "notes": "生产只读确认 OCR_PROVIDER=tencent；0014 已完成关联并成功提交，历史失败 details 不可事后恢复。",
+  "meta": {}
+}