feat(ocr payment page) - added backend routes on app

apps/Backend/src/services/paymentOCRService.ts

@@ -0,0 +1,34 @@
+import axios from "axios";
+import FormData from "form-data";
+
+export async function forwardToPaymentOCRService(
+  files: Express.Multer.File | Express.Multer.File[]
+): Promise<any> {
+  const arr = Array.isArray(files) ? files : [files];
+
+  const form = new FormData();
+  for (const f of arr) {
+    form.append("files", f.buffer, {
+      filename: f.originalname,
+      contentType: f.mimetype, // image/jpeg, image/png, image/tiff, etc.
+      knownLength: f.size,
+    });
+  }
+
+  const url = `http://localhost:5003/extract/json`;
+
+  try {
+    const resp = await axios.post<{ rows: any }>(url, form, {
+      headers: form.getHeaders(),
+      maxBodyLength: Infinity,
+      maxContentLength: Infinity,
+      timeout: 120000, // OCR can be heavy; adjust as needed
+    });
+    return resp.data?.rows ?? [];
+  } catch (err: any) {
+    // Bubble up a useful error message
+    const status = err?.response?.status;
+    const detail = err?.response?.data?.detail || err?.message || "Unknown error";
+    throw new Error(`Payment OCR request failed${status ? ` (${status})` : ""}: ${detail}`);
+  }
+}