Add Google Vertex AI skill for video and image generation#10

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huan with Copilot wants to merge 9 commits into

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copilot/add-google-vertex-ai-skill

Commits on Dec 24, 2025

Initial plan
Copilot
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Add Google Vertex AI skill with video and image generation support

Copilot
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huan
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Add examples and tests for Vertex AI skill

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Add integration guide and changelog for Vertex AI skill

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huan
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Fix code review issues: improve error handling and use model constants

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huan
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Improve validation, type safety, and service account error handling

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huan
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Remove duplicate interface and simplify validation logic

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Document service account authentication limitation prominently

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huan
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Improve error logging and remove redundant model parameter

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huan
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