update

backend/generator.py

@@ -504,7 +504,11 @@ async def generate_bausteine(topic: str, instructions: str = "", provider: str =
 # --- Guide-Generierung: Bausteine → (Plan) → Writer → JSON ---
 
 # Parallele Writer pro Format (OnePager hat einen eigenen Weg).
-WRITER_COUNT = {"MiniGuide": 1, "Guide": 2, "FullGuide": 4}
+# Writer skalieren mit der Section-Zahl: 1 Writer je ~30 Sections (gedeckelt).
+# Kleine Pakete vermeiden Lazy-Output bei langen Listen und begrenzen den Schaden
+# eines fehlgeschlagenen Writers.
+WRITER_SECTIONS = 30
+WRITER_MAX = 10
 
 
 def _resolve_gliederung(data, entries: dict[int, str], soll: int) -> list[dict] | None:
@@ -743,7 +747,8 @@ async def _generate_sections(
         await _fail(guide_id, "Gliederung fehlgeschlagen")
         return None
     plan = res[0]
-    chunks = _split_chunks(plan, WRITER_COUNT[format_name])
+    total_sections = sum(len(c["nums"]) for c in plan)
+    chunks = _split_chunks(plan, min(WRITER_MAX, max(1, math.ceil(total_sections / WRITER_SECTIONS))))
     zuteilungen = [_zuteilung_text(chunk, entries) for chunk in chunks]
     chunk_sizes = [sum(len(c["nums"]) for c in chunk) for chunk in chunks]