chore(deps): update backend digest to ebf016b

[renovate]

This PR contains the following updates:

Package	Update	Change
backend (changelog)	digest	0e5733d → ebf016b

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[semanticdiff-com]

Review changes with  

Changed Files

File	Status
backend	0% smaller

[gitnotebooks]

Review these changes at https://app.gitnotebooks.com/AlphaSphereDotAI/chatacter/pull/857

[deepsource-io]

Here's the code health analysis summary for commits a5e60aa..d97a538. View details on DeepSource ↗.

Analysis Summary

Analyzer	Status	Summary	Link
Docker	✅ Success		View Check ↗
Secrets	✅ Success		View Check ↗
Python	✅ Success		View Check ↗

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Merge Queue Status

Rule: default

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• ✅ Entered queue — 2026-02-12 01:53 UTC
• ✅ Checks passed · in-place
• ✅ Merged — 2026-02-12 01:53 UTC · at d97a5383e86c7916f33c4850f6be87b535dc5c96

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