Fix gateway

[bishoy-at-pieces]

No description provided.

[Copilot]

Pull Request Overview

This PR fixes connection management issues in the MCP gateway by improving error handling, cleanup coordination, and connection lifecycle management.

• Implements proper async cleanup coordination using events and tasks to prevent race conditions
• Adds thread-safe exception handling for connection errors with automatic cleanup requests
• Refactors connection management to use dedicated tasks with proper cancellation and timeout handling

Reviewed Changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated 6 comments.

File	Description
src/pieces/settings.py	Adds type annotation for headless_mode boolean field
src/pieces/mcp/gateway.py	Major refactoring of connection handling with cleanup coordination, exception handlers, and improved error management
src/pieces/base_command.py	Simplifies headless mode logic into single line conditional
src/pieces/_vendor/pieces_os_client/wrapper/websockets/base_websocket.py	Changes default error handler from print to no-op

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[tsavo-at-pieces]

Great fix!