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Describe the enhancement you want to request

Add venice-ai-sdk-provider as a dependency for Opencode to avoid versioning problems.

Recently Opencode migrated to ai-sdk v6, but Venice was still using v5. This broke the provider above OC v1.3.3. Since the package is not set as a dependency, only the latest version of venice-ai-sdk-provider will be used, which will make upgrading to v6 break the provider in all OC versions lower than v1.3.4.