Upgraded to AI SDK 5

Upgraded to AI SDK 5 with new chat transport and message handling. Playground now features built-in log viewer and tool editing side by side in addition to better inline tool rendering for chat.

Features

• Restore AI SDK 5 Upgrade #992  - Restores previous updates to the AI SDK, enhancing performance and stability. (Author: @speakeasybot )
• Update Chat Credit Billing #983  - Enhancements to the billing terms for chat credits, with customizable limits for organizations. (Author: @ryan-timothy-albert )
• Static OAuth Callback in OAuth Proxy #980  - Simplifies OAuth by removing the need for individual server redirects. (Author: @ryan-timothy-albert )
• Allow Uploading OpenAPI Specs via Remote URL #977  - Users can now upload OpenAPI specifications via URLs. (Author: @bradcypert )
• Fallback Temporal Workflow for Openrouter Model Usage #978  - Implements a fallback Temporal workflow to handle delays in the Openrouter model. (Author: @ryan-timothy-albert )
• Replace Windsurf Install Snippets with VSCode #971  - Updates installation guides for easier setup via VSCode. (Author: @walker-tx )

Bug fixes

• Inconsistency in Environment Passthrough Authentication #997  - Fixes authentication inconsistencies in private server environments. (Author: @ryan-timothy-albert )
• Nullable Chat ID Model Billing #995  - Addresses an issue with nullable ChatID in billing models. (Author: @ryan-timothy-albert )
• Recognize Thrown Error Responses #994  - Improves error handling in MCP clients. (Author: @chase-crumbaugh )
• Patch Zod Version to Fix CSP Issue #976  - Patches a security policy compliance issue with Zod library. (Author: @chase-crumbaugh )
• Allowed Types Text/Plain #989  - Allows uploading of plain text files, such as raw GitHub files. (Author: @ryan-timothy-albert )
• Continue Button Issues in AddSourceDialog Fixed #979  - Fixes an issue where the continue button would not close the dialog. (Author: @bradcypert )