- YouTube: warn when only Node.js is installed but yt-dlp config file
is missing (previously returned "ok" incorrectly)
- Douyin: use `mcporter list` instead of calling with a hardcoded
invalid share URL that always fails
- cli: replace bare `except:` with `except Exception:` in
`_detect_environment` to avoid catching KeyboardInterrupt/SystemExit
- cli: fix unclosed file handle for cloud VM detection
- config: use `os.open()` with 0o600 mode to eliminate permission
race window when saving credentials
- Replace text=True with encoding='utf-8', errors='replace' in all
subprocess.run calls (channels + cli.py) to fix GBK decode errors
on Chinese Windows systems
- Use shutil.which() resolved paths in channel subprocess calls to
handle Windows .cmd wrappers (npm global installs)
Co-authored-by: Panniantong <panniantong@users.noreply.github.com>
mcporter list probes all configured servers sequentially, which can hang
indefinitely when servers are slow/offline. mcporter config list reads
config without probing — sufficient for checking if a server is configured.
Affected: doctor checks (4 channels) and install command (2 calls).
Fixes#34
Shawn