feat(google-chat): add Google Chat integration with OAuth

[waleedlatif1]

Summary

• Add Google Chat integration with OAuth (send message, list spaces)
• Register google-chat OAuth provider under Google with chat.spaces.readonly and chat.messages.create scopes
• Add scope descriptions to oauth-required-modal
• Add GoogleChatIcon, block config, tool registry entries, and generated docs

Type of Change

• New feature

Testing

Tested manually

Checklist

• Code follows project style guidelines
• Self-reviewed my changes
• Tests added/updated and passing
• No new warnings introduced
• I confirm that I have read and agree to the terms outlined in the Contributor License Agreement (CLA)

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1 Skipped Deployment

Project	Deployment	Actions	Updated (UTC)
docs	Skipped		Feb 25, 2026 9:54pm

[greptile-apps]

Greptile Summary

Adds Google Chat integration with OAuth authentication, enabling users to send messages to spaces and list available spaces.

Key Changes

• Created google_chat tool implementations for sending messages and listing spaces with proper OAuth authentication
• Registered google-chat OAuth provider under Google with chat.spaces.readonly and chat.messages.create scopes
• Added Google Chat block configuration with operation dropdown for Send Message and List Spaces
• Included GoogleChatIcon SVG component in both app and docs
• Generated comprehensive documentation for the integration

Implementation Quality

• Follows established patterns from other Google integrations (Calendar, Drive, etc.)
• Proper type coercion in tools.config.params (converting pageSize to number during execution)
• Space ID normalization handles both spaces/AAAA1234 and AAAA1234 formats
• Comprehensive error handling with descriptive error messages
• All files follow project code style guidelines with TSDoc comments and absolute imports
• OAuth scopes properly described in oauth-required-modal
• Documentation includes correct input/output specifications

The implementation is thorough, well-structured, and maintains consistency with the existing codebase.

Confidence Score: 5/5

• This PR is safe to merge with minimal risk
• All files follow established patterns, include proper error handling, use correct OAuth configuration, and maintain code quality standards. The implementation is complete with tools, blocks, icons, OAuth setup, and documentation.
• No files require special attention

Important Files Changed

Filename	Overview
apps/sim/tools/google_chat/send_message.ts	Correctly implements Google Chat send message functionality with proper OAuth, error handling, and space ID normalization
apps/sim/tools/google_chat/list_spaces.ts	Properly implements Google Chat list spaces with pagination support and filtering
apps/sim/blocks/blocks/google_chat.ts	Well-structured block config with proper operation routing and type coercion in params function
apps/sim/lib/oauth/oauth.ts	OAuth provider configuration properly added with correct scopes and icons
apps/docs/content/docs/en/tools/google_chat.mdx	Comprehensive documentation with correct input/output specifications

Sequence Diagram

sequenceDiagram
    participant User
    participant Block as Google Chat Block
    participant OAuth as OAuth Provider
    participant Tool as Google Chat Tool
    participant API as Google Chat API

    User->>Block: Select operation (Send Message/List Spaces)
    User->>Block: Configure OAuth credential
    Block->>OAuth: Request access token
    OAuth-->>Block: Return access token
    
    alt Send Message
        User->>Block: Enter space ID, message, thread key
        Block->>Tool: google_chat_send_message
        Tool->>API: POST /v1/spaces/{spaceId}/messages
        API-->>Tool: Message created
        Tool-->>Block: messageName, spaceName, threadName, text, createTime
    else List Spaces
        User->>Block: Set filter, pageSize
        Block->>Tool: google_chat_list_spaces
        Tool->>API: GET /v1/spaces?filter&pageSize
        API-->>Tool: Spaces list
        Tool-->>Block: spaces[], nextPageToken
    end
    
    Block-->>User: Display results

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