修复了DISCORD适配器注册命令正则过于严格的问题

[NLKASHEI]

针对：[Bug]Discord适配器中，注册命令匹配正则 [a-z0-9_-] 应当改成 [\w-] #9101
修复了discord斜杠的中文命令无法注册的问题
我就改了一行代码

改前

if not re.match(r"^[a-z0-9_-]{1,32}$", cmd_name):

改后

if not re.match(r"^[-_'\w]{1,32}$", cmd_name, re.UNICODE):

再无任何破坏性改动和其他改动

Summary by Sourcery

Bug Fixes:

• Allow Discord slash commands with non-ASCII characters (e.g., Chinese) to be registered by broadening the command name validation regex.

[sourcery-ai]

Hey - I've left some high level feedback:

• Consider adding a brief inline comment explaining why the regex intentionally diverges from Discord’s official lowercase a-z0-9_- naming rule to allow Unicode/Chinese, so future maintainers don’t “fix” it back.
• Using \w with re.UNICODE will allow a broad set of Unicode letters (e.g., Cyrillic, Greek) and digits; if the intent is specifically Chinese (or a limited set of locales), you may want to restrict the character classes more narrowly.
• Double-check whether including the apostrophe ' in the allowed characters is intentional for Discord slash command names; if not, removing it from the regex will avoid accepting potentially invalid names.

Prompt for AI Agents

Please address the comments from this code review:

## Overall Comments
- Consider adding a brief inline comment explaining why the regex intentionally diverges from Discord’s official lowercase `a-z0-9_-` naming rule to allow Unicode/Chinese, so future maintainers don’t “fix” it back.
- Using `\w` with `re.UNICODE` will allow a broad set of Unicode letters (e.g., Cyrillic, Greek) and digits; if the intent is specifically Chinese (or a limited set of locales), you may want to restrict the character classes more narrowly.
- Double-check whether including the apostrophe `'` in the allowed characters is intentional for Discord slash command names; if not, removing it from the regex will avoid accepting potentially invalid names.

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[gemini-code-assist]

Code Review

This pull request updates the regular expression used to validate Discord slash command names to allow a broader set of characters. The reviewer noted that Discord slash commands do not allow uppercase letters, which the new \w pattern would match, potentially causing API errors. They suggested adding a lowercase check and removing the redundant re.UNICODE flag.

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