update

backend/database.py

@@ -312,39 +312,6 @@ def _now() -> str:
     return datetime.now(timezone.utc).isoformat()
 
 
-async def get_vertiefung(topic: str, baustein: str, art: str) -> str | None:
-    db = await get_db()
-    cursor = await db.execute(
-        "SELECT md FROM baustein_texte WHERE topic = ? AND baustein = ? AND art = ?",
-        (topic, baustein, art),
-    )
-    row = await cursor.fetchone()
-    return row[0] if row else None
-
-
-async def set_vertiefung(topic: str, baustein: str, art: str, md: str) -> None:
-    db = await get_db()
-    now = _now()
-    await db.execute(
-        """INSERT INTO baustein_texte (topic, baustein, art, md, created_at, updated_at)
-           VALUES (?, ?, ?, ?, ?, ?)
-           ON CONFLICT(topic, baustein, art) DO UPDATE SET md = excluded.md, updated_at = excluded.updated_at""",
-        (topic, baustein, art, md, now, now),
-    )
-    await db.commit()
-
-
-async def list_vertiefungen(topic: str) -> dict[str, set[str]]:
-    """Baustein-Titel → vorhandene Text-Arten ('vertiefung'/'deepdive')."""
-    db = await get_db()
-    cursor = await db.execute("SELECT baustein, art FROM baustein_texte WHERE topic = ?", (topic,))
-    rows = await cursor.fetchall()
-    out: dict[str, set[str]] = {}
-    for baustein, art in rows:
-        out.setdefault(baustein, set()).add(art)
-    return out
-
-
 async def list_baustein_progress(topic: str) -> list[dict]:
     db = await get_db()
     cursor = await db.execute(