calibre upload errors

uploader.py

@@ -63,6 +63,7 @@ class CalibreClient:
             if not self._upload_csrf:
                 page = self._session.get(f"{self._cfg.url}/upload", timeout=30)
                 self._upload_csrf = _extract_csrf(page.text)
+                log.debug("Upload CSRF token: %s", self._upload_csrf[:12] + "…" if self._upload_csrf else "NOT FOUND")
 
             mime = MIME_TYPES.get(book_path.suffix.lower(), "application/octet-stream")
             with book_path.open("rb") as fh:
@@ -72,10 +73,15 @@ class CalibreClient:
                     data={"csrf_token": self._upload_csrf} if self._upload_csrf else {},
                     timeout=120,
                 )
+            if not resp.ok:
+                log.error("Upload HTTP %s — response body: %s", resp.status_code, resp.text[:500])
             resp.raise_for_status()
             log.info("Uploaded: %s", book_path.name)
             db.record_book(book_path.name, file_hash, zip_source, "uploaded")
             return "uploaded"
+        except requests.HTTPError:
+            db.record_book(book_path.name, file_hash, zip_source, "error")
+            return "error"
         except Exception as e:
             log.error("Upload failed for %s: %s", book_path.name, e)
             db.record_book(book_path.name, file_hash, zip_source, "error")