converting to pydantic-settings

python/ebook_search/api/routes/admin.py

@@ -3,7 +3,6 @@
 from __future__ import annotations
 
 import logging
-from dataclasses import replace
 
 from fastapi import APIRouter, Request
 from fastapi.responses import HTMLResponse
@@ -17,7 +16,6 @@ from python.ebook_search.ingest import ingest_configured_paths
 logger = logging.getLogger(__name__)
 
 router = APIRouter(prefix="/admin")
-EMBED_ALL_BATCH_SIZE = 32
 
 
 @router.get("", response_class=HTMLResponse)
@@ -70,7 +68,7 @@ def embed_all(request: Request) -> HTMLResponse:
     """Embed all chunks missing vectors in fixed-size batches."""
     total = 0
     batches = 0
-    config = replace(request.app.state.config, embedding_batch_size=EMBED_ALL_BATCH_SIZE)
+    config = request.app.state.config
     try:
         with Session(request.app.state.engine) as session:
             while True:
@@ -103,5 +101,5 @@ def embed_all(request: Request) -> HTMLResponse:
     return templates.TemplateResponse(
         request,
         "partials/admin_status.html",
-        {"message": f"Embedded {total} chunks in {batches} batches of {EMBED_ALL_BATCH_SIZE}"},
+        {"message": f"Embedded {total} chunks in {batches} batches of {config.embedding_batch_size}"},
     )