sync errors

sync.py

@@ -35,13 +35,16 @@ def run_sync(limit: int | None = None) -> None:
     counters = dict(zips_found=0, zips_new=0, books_uploaded=0, books_skipped=0, books_errored=0)
 
     try:
+        log.info("Sync started (limit=%s)", limit)
         cfg = config.load()
         _validate_config(cfg)
+        log.info("Config OK — work dir: %s", cfg.local_work_dir)
 
         work_dir = Path(cfg.local_work_dir)
         work_dir.mkdir(parents=True, exist_ok=True)
+        log.info("Work dir ready: %s", work_dir)
 
-        log.info("Listing remote zips at %s@%s:%s", cfg.sftp.user, cfg.sftp.host, cfg.sftp.remote_path)
+        log.info("Connecting to SFTP %s@%s:%s ...", cfg.sftp.user, cfg.sftp.host, cfg.sftp.port)
         new_zips = sftp_module.list_new_zips(cfg.sftp)
         counters["zips_found"] = len(new_zips)