From 34a7869f91ac66599cf974232f8a20ff8b7c71ec Mon Sep 17 00:00:00 2001
From: Suherdy Yacob <suherdy.yacob@mapan.co.id>
Date: Thu, 12 Feb 2026 15:56:38 +0700
Subject: [PATCH] fix: Reset base output stream position before PDF file
 reading to ensure correct parsing.

---
 models/sign_document.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/models/sign_document.py b/models/sign_document.py
index 750d6c0..0365271 100644
--- a/models/sign_document.py
+++ b/models/sign_document.py
@@ -33,6 +33,7 @@ class SignDocument(models.Model):
         # 3. Load the base output into PdfFileReader
         # base_output is a BytesIO
         try:
+            base_output.seek(0)  # IMPORTANT: Reset stream position to start
             base_pdf = PdfFileReader(base_output, strict=False)
         except (ValueError, PdfReadError):
             # Should not happen if super succeeded, but safety first