core, python: fix refused renames, extend the client API (#7379)

* core: do not commit refused name changes

* feat(python): add error base and missing commands

* feat(python): let callers drive startup themselves

* style(python): satisfy the linter, skip generated types

* feat(python): expose the message of a command error

* core: update query plans

* core: fix the batch limit parse error on GHC 8.10

* feat(python): reject profile images no client can render

packages/simplex-chat-python/src/simplex_chat/_native.py

@@ -99,7 +99,7 @@ def _stream_to_file(url: str, dest: Path, *, timeout: float = 60.0) -> None:
     `timeout` is per-request; we don't touch `socket.setdefaulttimeout`
     so other socket users in the same process aren't affected.
     """
-    with urllib.request.urlopen(url, timeout=timeout) as resp:  # noqa: S310 - https://github.com/...
+    with urllib.request.urlopen(url, timeout=timeout) as resp:
         total = int(resp.headers.get("Content-Length") or 0)
         received = 0
         with dest.open("wb") as out:
@@ -112,7 +112,7 @@ def _stream_to_file(url: str, dest: Path, *, timeout: float = 60.0) -> None:
                 else:
                     msg = f"\r  download: {received >> 20} MiB"
                 print(msg, end="", file=sys.stderr, flush=True)
-        print("", file=sys.stderr, flush=True)  # newline after final progress line
+        print(file=sys.stderr, flush=True)  # newline after final progress line
 
 
 def _download(target: Path, backend: Backend) -> None: