From a8dbb0548fe8a9a29bb51c7083f058c980d86573 Mon Sep 17 00:00:00 2001
From: Maciej Pienczyn <maciej.pienczyn@inpi.pl>
Date: Wed, 18 Feb 2026 15:11:27 +0100
Subject: [PATCH] fix: Add dataRozpoczecia key lookup for CEIDG business start
 date

Detail endpoint uses 'dataRozpoczecia' (short), not 'dataRozpoczeciaDzialalnosci'.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
---
 ceidg_api_service.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/ceidg_api_service.py b/ceidg_api_service.py
index 97299d3..ef4a36b 100644
--- a/ceidg_api_service.py
+++ b/ceidg_api_service.py
@@ -184,7 +184,8 @@ def fetch_ceidg_by_nip(nip: str) -> Optional[Dict[str, Any]]:
 
             # Dates
             'dataRozpoczecia': (
-                firma.get('dataRozpoczeciaDzialalnosci')
+                firma.get('dataRozpoczecia')
+                or firma.get('dataRozpoczeciaDzialalnosci')
                 or firma.get('dataWpisuDoCeidg')
             ),