chore: update mllm-chat submodule to the latest version

[yuerqiqi]

Description

Update mllm-chat submodule to include:

• Model Manager: Automated downloads and lifecycle management.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

Configuration used: defaults

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 87e5d92 and 4b42890.

📒 Files selected for processing (1)

• mllm-chat

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📝 Walkthrough

Walkthrough

A submodule pointer for mllm-chat is updated from commit 8f9f7d0 to c46197f. This change advances the reference to a newer commit within the submodule without any functional modifications to the main repository.

Changes

Cohort / File(s)	Summary
Submodule Reference Update mllm-chat (submodule pointer)	Updated submodule reference from commit 8f9f7d0eef70a154c18861d21d3268f5e18a1f7c to c46197fd97c6876be9b99e94fe9fb1f9e5aed571.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Possibly related PRs

• chore: update submodule to main #557: Previous update to the same mllm-chat submodule pointer; this PR advances it to a newer commit.

Poem

🐰 A tiny hop through git commits, so neat,
The submodule dancing to a newer beat,
One pointer swaps for another with care,
Progress wrapped up with a whisker and flair! ✨

🚥 Pre-merge checks | ✅ 2 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Description check	⚠️ Warning	No pull request description was provided by the author, but the template is present in the repository requiring contribution guidelines reference.	Add a pull request description that follows the repository template and acknowledges the contribution guidelines link.

✅ Passed checks (2 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly and specifically describes the main change: updating the mllm-chat submodule to the latest version, which matches the raw summary.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment

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[chenghuaWang]

LGTM