From cb034b8009df7ca7aa3863dfa9d463efd8f0f5d4 Mon Sep 17 00:00:00 2001
From: Benjamin Admin <benjaminadmin@MacBookPro.fritz.box>
Date: Wed, 25 Mar 2026 23:51:27 +0100
Subject: [PATCH] fix: DB-Rollback nach LLM-Fehler im Rationale-Backfill

Verhindert 'invalid transaction' Fehler wenn ein LLM-Call fehlschlaegt
und nachfolgende DB-Operationen blockiert.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
---
 .../compliance/api/canonical_control_routes.py               | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/backend-compliance/compliance/api/canonical_control_routes.py b/backend-compliance/compliance/api/canonical_control_routes.py
index 20288c3..bf89cd5 100644
--- a/backend-compliance/compliance/api/canonical_control_routes.py
+++ b/backend-compliance/compliance/api/canonical_control_routes.py
@@ -1259,6 +1259,11 @@ async def backfill_rationale(
                     "control_id": parent.control_id,
                     "error": str(e)[:200],
                 })
+                # Rollback um DB-Session nach Fehler nutzbar zu halten
+                try:
+                    db.rollback()
+                except Exception:
+                    pass
 
         db.commit()