Added new events for AI typing indicator

[martinmitrevski]

🔗 Issue Links

https://linear.app/stream/issue/AI-3/customnew-event-for-handling-message-streaming

🎯 Goal

Expose the new events that are going to be used for the AI integration.

📝 Summary

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🛠 Implementation

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🎨 Showcase

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Before	After
img	img

🧪 Manual Testing Notes

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☑️ Contributor Checklist

• I have signed the Stream CLA (required)
• This change should be manually QAed
• Changelog is updated with client-facing changes
• Changelog is updated with new localization keys
• New code is covered by unit tests
• Comparison screenshots added for visual changes
• Affected documentation updated (docusaurus, tutorial, CMS)

🎁 Meme

Provide a funny gif or image that relates to your work on this pull request. (Optional)

[Stream-SDK-Bot]

SDK Size

title	develop	branch	diff	status
StreamChat	7.06 MB	7.08 MB	+20 KB	🟢
StreamChatUI	4.96 MB	4.96 MB	0 KB	🟢

[github-actions]

	1 Warning
⚠️	Please be sure to complete the Contributor Checklist in the Pull Request description

	1 Message
📖	There seems to be app changes but CHANGELOG wasn't modified. Please include an entry if the PR includes user-facing changes. You can find it at CHANGELOG.md.

Generated by 🚫 Danger

[Stream-SDK-Bot]

SDK Performance

target	metric	benchmark	branch	performance	status
MessageList	Hitches total duration	10 ms	6.68 ms	33.2% 🔼	🟢
	Duration	2.6 s	2.55 s	1.92% 🔼	🟢
	Hitch time ratio	4 ms per s	2.62 ms per s	34.5% 🔼	🟢
	Frame rate	75 fps	78.38 fps	4.51% 🔼	🟢
	Number of hitches	1	0.6	40.0% 🔼	🟢

[nuno-vieira]

Just a minor comment, other than that LGTM 👍

[nuno-vieira]

@martinmitrevski Lets re-run the performance checks, just to make sure it is false positive.

[Stream-SDK-Bot]

SDK Size

title	develop	branch	diff	status
StreamChat	7.06 MB	7.08 MB	+21 KB	🟢
StreamChatUI	4.96 MB	4.96 MB	0 KB	🟢

[sonarqubecloud]

Quality Gate passed

Issues
168 New issues
0 Accepted issues

Measures
0 Security Hotspots
83.5% Coverage on New Code
0.1% Duplication on New Code

See analysis details on SonarQube Cloud

[nuno-vieira]

LGTM! ✅