diff --git a/scripts/books-ingest.py b/scripts/books-ingest.py
index a029768..91d8345 100644
--- a/scripts/books-ingest.py
+++ b/scripts/books-ingest.py
@@ -7,7 +7,7 @@ Builds books.works / books.files from:
   * ebook files dropped in $BOOKS_ROOT/inbox (sha256-deduped)   -> works + files
 
 Metadata: embedded (EPUB OPF / PDF info + ISBN scan) -> Open Library -> Google Books
-(-> arXiv for anything tagged paper). Covers go to $BOOKS_ROOT/covers/<work_id>.jpg.
+(-> arXiv for anything tagged paper). Covers go to $BOOKS_ROOT/covers/<sha1(cover_url)[:16]>.jpg (stable across dev/prod).
 Files are moved to $BOOKS_ROOT/library/<Author>/<Title>/.
 
 Usage:
@@ -24,6 +24,9 @@ from dataclasses import dataclass, field
 from pathlib import Path
 from xml.etree import ElementTree as ET
 
+def log(*a):
+    print(*a, flush=True)
+
 UA = "stan-books-ingest/0.1 (personal library catalogue; low volume)"
 LANG = {"eng": "en", "dut": "nl", "nld": "nl", "ger": "de", "deu": "de", "fre": "fr", "fra": "fr", "spa": "es", "ita": "it",
         "por": "pt", "rus": "ru", "jpn": "ja", "kor": "ko", "chi": "zh", "zho": "zh", "lat": "la", "gre": "el", "swe": "sv"}
@@ -541,6 +544,7 @@ def main():
     ap.add_argument("--extra", action="append", default=[], help='extra placeholder "Title|Author|isbn13|origin"')
     ap.add_argument("--reset", action="store_true", help="truncate books.works/files first (scratch DBs only)")
     ap.add_argument("--dry-run", action="store_true", help="no DB writes, no file moves; write plan json")
+    ap.add_argument("--no-move", action="store_true", help="write DB rows (and covers) but leave files in the inbox; for a dev rehearsal before the prod run")
     ap.add_argument("--no-network", action="store_true")
     ap.add_argument("--allow-prod", action="store_true")
     ap.add_argument("--source", default="gdrive")
@@ -562,7 +566,7 @@ def main():
     http = Http(root / ".cache" / "http", delay=0.0 if args.no_network else 1.0)
     en = Enricher(http)
     works: list[Work] = []
-    log = lambda *a: print(*a, flush=True)  # noqa
+
 
     # ---- 1. placeholders: lists.books
     with conn.cursor() as cur:
@@ -889,7 +893,7 @@ def main():
                 if s in shelves:
                     cur.execute("insert into books.shelf_works (shelf_id, work_id) values (%s,%s) on conflict do nothing", (shelves[s], w.db_id))
             if "done" in w.shelves and w.refs.get("done_at"):
-                cur.execute("insert into books.progress (work_id, percent, finished_at) values (%s, 100, %s) on conflict do nothing", (w.db_id, w.refs["done_at"]))
+                cur.execute("insert into books.progress (work_id, percent, finished_at, status) values (%s, 100, %s, 'finished') on conflict do nothing", (w.db_id, w.refs["done_at"]))
 
     # ---- 7. covers
     got = 0
@@ -897,7 +901,7 @@ def main():
         for w in works:
             if not w.cover_url:
                 continue
-            dest = covers / f"{w.db_id}.jpg"
+            dest = covers / (hashlib.sha1(w.cover_url.encode()).hexdigest()[:16] + ".jpg")
             if dest.exists() or http.download(w.cover_url, dest):
                 got += 1
                 with conn.cursor() as cur:
@@ -905,6 +909,9 @@ def main():
         conn.commit()
 
     # ---- 8. move files (inbox -> library); write undo manifest
+    if args.no_move:
+        log("--no-move: DB rows written, files left in inbox")
+        return
     manifest = root / ".cache" / f"moves-{time.strftime('%Y%m%d-%H%M%S')}.tsv"
     dupdir = root / "duplicates"
     qdir = root / "quarantine"