Implement hard-coded 60-second timeout for agent wait operations in three tools:
- create_agent (when background=false and initialPrompt provided)
- send_agent_prompt (when background=false)
- wait_for_agent (always)
When timeout occurs, returns gracefully with message "Awaiting the agent timed out, await again" instead of throwing an error. Agent continues running after timeout.
Added AGENT_WAIT_TIMEOUT_MS constant and waitForAgentWithTimeout helper function to handle timeout logic with proper cleanup and signal forwarding.
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Co-Authored-By: Claude <noreply@anthropic.com>
