fix: 500 bei Lage-Erstellung - Platzhalter-Mismatch nach telegram_categories-Entfernung behoben

src/routers/incidents.py

@@ -20,7 +20,7 @@ router = APIRouter(prefix="/api/incidents", tags=["incidents"])
 
 INCIDENT_UPDATE_COLUMNS = {
     "title", "description", "type", "status", "refresh_mode",
-    "refresh_interval", "retention_days", "international_sources", "include_telegram", "telegram_categories", "visibility",
+    "refresh_interval", "retention_days", "international_sources", "include_telegram", "visibility",
 }
 
 
@@ -64,14 +64,7 @@ async def _enrich_incident(db: aiosqlite.Connection, row: aiosqlite.Row) -> dict
     incident["article_count"] = article_count
     incident["source_count"] = source_count
     incident["created_by_username"] = user_row["email"] if user_row else "Unbekannt"
-    # telegram_categories: JSON-String -> Liste
+
-    tc = incident.get("telegram_categories")
-    if tc and isinstance(tc, str):
-        import json
-        try:
-            incident["telegram_categories"] = json.loads(tc)
-        except (json.JSONDecodeError, TypeError):
-            incident["telegram_categories"] = None
     return incident
 
 
@@ -113,9 +106,9 @@ async def create_incident(
     now = datetime.now(TIMEZONE).strftime('%Y-%m-%d %H:%M:%S')
     cursor = await db.execute(
         """INSERT INTO incidents (title, description, type, refresh_mode, refresh_interval,
-           retention_days, international_sources, include_telegram, telegram_categories, visibility,
+           retention_days, international_sources, include_telegram, visibility,
            tenant_id, created_by, created_at, updated_at)
-           VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)""",
+           VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)""",
         (
             data.title,
             data.description,
@@ -125,7 +118,6 @@ async def create_incident(
             data.retention_days,
             1 if data.international_sources else 0,
             1 if data.include_telegram else 0,
-            __import__('json').dumps(data.telegram_categories) if data.telegram_categories else None,
             data.visibility,
             tenant_id,
             current_user["id"],
@@ -189,10 +181,7 @@ async def update_incident(
     for field, value in data.model_dump(exclude_none=True).items():
         if field not in INCIDENT_UPDATE_COLUMNS:
             continue
-        if field == "telegram_categories":
+        if field in ("international_sources", "include_telegram"):
-            import json
-            updates[field] = json.dumps(value) if value else None
-        elif field in ("international_sources", "include_telegram"):
             updates[field] = 1 if value else 0
         else:
             updates[field] = value
@@ -738,7 +727,6 @@ def _build_json_export(
             "summary": incident.get("summary"),
             "international_sources": bool(incident.get("international_sources")),
             "include_telegram": bool(incident.get("include_telegram")),
-            "telegram_categories": incident.get("telegram_categories"),
         },
         "sources": sources,
         "fact_checks": [