Add link preview cards for URLs in messages#85

Draft

Copilot wants to merge 7 commits intomainfrom

copilot/add-link-previews-feature

Commits on Dec 15, 2025

Initial plan
Copilot
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Add link preview feature with settings and basic implementation

Copilot
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adbenitez
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Address code review feedback - improve error handling and thread management

Copilot
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adbenitez
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Fix threading issues and improve error handling

Copilot
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adbenitez
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Add link preview visibility management and improve comments

Copilot
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adbenitez
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Final polish - improve code consistency and documentation

Copilot
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adbenitez
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Add comprehensive PR summary documentation

Copilot
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adbenitez
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