ff78ac2f84
Breaking change: CustomAgentTool.dispose() removed. Use onSession with reason 'shutdown' instead for cleanup. - Add 'shutdown' to SessionEvent.reason for custom tools - Remove dispose() method from CustomAgentTool interface - Make emitToolSessionEvent() public on AgentSession - Emit shutdown event to tools in InteractiveMode.shutdown() - Update custom-tools.md with new API and examples