[Bug] 发不出 Json 消息

### What happened / 发生了什么

https://github.com/AstrBotDevs/AstrBot/blob/0c0f8bf484f903860e11cdc3f53eb61b22abd1d0/astrbot/core/pipeline/respond/stage.py#L21-L36

如上字典里没有 Comp.Json

https://github.com/AstrBotDevs/AstrBot/blob/0c0f8bf484f903860e11cdc3f53eb61b22abd1d0/astrbot/core/pipeline/respond/stage.py#L95-L114

并且检查函数为白名单

### Reproduce / 如何复现？

随便发一个 json 消息

### AstrBot version, deployment method (e.g., Windows Docker Desktop deployment), provider used, and messaging platform used. / AstrBot 版本、部署方式（如 Windows Docker Desktop 部署）、使用的提供商、使用的消息平台适配器

master 分支

### OS

Not sure

### Logs / 报错日志

[17:45:18.441] [Core] [INFO] [respond.stage:170]: Prepare to send -****/****: [ComponentType.Json]
[17:45:18.441] [Core] [INFO] [respond.stage:201]: 消息为空，跳过发送阶段
[17:45:18.443] [Core] [INFO] [core.astr_main_agent:932]: 未找到任何对话模型（提供商），跳过 LLM 请求处理。

### Are you willing to submit a PR? / 你愿意提交 PR 吗？

- [x] Yes! @NanoRocky 

### Code of Conduct

- [x] I have read and agree to abide by the project's [Code of Conduct](https://docs.github.com/zh/site-policy/github-terms/github-community-code-of-conduct)。


	_component_validators = {
	Comp.Plain: lambda comp: bool(
	comp.text and comp.text.strip(),
	), # 纯文本消息需要strip
	Comp.Face: lambda comp: comp.id is not None, # QQ表情
	Comp.Record: lambda comp: bool(comp.file), # 语音
	Comp.Video: lambda comp: bool(comp.file), # 视频
	Comp.At: lambda comp: bool(comp.qq) or bool(comp.name), # @
	Comp.Image: lambda comp: bool(comp.file), # 图片
	Comp.Reply: lambda comp: bool(comp.id) and comp.sender_id is not None, # 回复
	Comp.Poke: lambda comp: comp.id != 0 and comp.qq != 0, # 戳一戳
	Comp.Node: lambda comp: bool(comp.content), # 转发节点
	Comp.Nodes: lambda comp: bool(comp.nodes), # 多个转发节点
	Comp.File: lambda comp: bool(comp.file_ or comp.url),
	Comp.WechatEmoji: lambda comp: comp.md5 is not None, # 微信表情
	}

	async def _is_empty_message_chain(self, chain: list[BaseMessageComponent]) -> bool:
	"""检查消息链是否为空

	Args:
	chain (list[BaseMessageComponent]): 包含消息对象的列表

	"""
	if not chain:
	return True

	for comp in chain:
	comp_type = type(comp)

	# 检查组件类型是否在字典中
	if comp_type in self._component_validators:
	if self._component_validators[comp_type](comp):
	return False

	# 如果所有组件都为空
	return True

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Uh oh!

[Bug] 发不出 Json 消息 #5198

What happened / 发生了什么

Reproduce / 如何复现？

AstrBot version, deployment method (e.g., Windows Docker Desktop deployment), provider used, and messaging platform used. / AstrBot 版本、部署方式（如 Windows Docker Desktop 部署）、使用的提供商、使用的消息平台适配器

OS

Logs / 报错日志

Are you willing to submit a PR? / 你愿意提交 PR 吗？

Code of Conduct

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Uh oh!

[Bug] 发不出 Json 消息 #5198

Description

What happened / 发生了什么

Reproduce / 如何复现？

AstrBot version, deployment method (e.g., Windows Docker Desktop deployment), provider used, and messaging platform used. / AstrBot 版本、部署方式（如 Windows Docker Desktop 部署）、使用的提供商、使用的消息平台适配器

OS

Logs / 报错日志

Are you willing to submit a PR? / 你愿意提交 PR 吗？

Code of Conduct

Metadata

Metadata

Assignees

Labels

Type

Projects

Milestone

Relationships

Development

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