fix(node): pin utf-8 (and LF) on every text file the node reads or writes

node.toml, the keystore envelope, the unlock key, the loopback UI token,
pairing/invite code files and the denylist were all read and written with
the platform default encoding and newline translation. On Windows that is
cp1252 + CRLF: a node.toml or keystore holding any non-ASCII byte failed to
load, and ops.py's line-based node.toml editor round-tripped CRLF in and
LF out.

Every read is now `encoding="utf-8"`; every write is `encoding="utf-8",
newline="\n"` so the files stay LF whatever the OS. No-op where the locale
was already UTF-8.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/packages/meshbay-node/src/meshbay_node/config.py b/packages/meshbay-node/src/meshbay_node/config.py
index cfbec50..7be68a4 100644
--- a/packages/meshbay-node/src/meshbay_node/config.py
+++ b/packages/meshbay-node/src/meshbay_node/config.py
@@ -307,7 +307,7 @@ def load_config(path: Path = DEFAULT_CONFIG_PATH) -> Config:
     cfg = Config()
 
     if path.exists():
-        raw = tomllib.loads(path.read_text())
+        raw = tomllib.loads(path.read_text(encoding="utf-8"))
 
         hub = raw.get("hub", {})
         cfg.hub.url      = hub.get("url",      cfg.hub.url)
@@ -404,4 +404,4 @@ def write_example_config(path: Path = DEFAULT_CONFIG_PATH) -> None:
     """Write an example config file if none exists."""
     if not path.exists():
         path.parent.mkdir(parents=True, exist_ok=True)
-        path.write_text(EXAMPLE_CONFIG)
+        path.write_text(EXAMPLE_CONFIG, encoding="utf-8", newline="\n")