[BUG]: Plugin Registering Twice

[EvanZhouDev]

Description

If you make a new plugin that has a session.idle hook, the plugin appears to be registering twice, with the session.idle hook being called twice.

OpenCode version

1.0.223

Steps to reproduce

Make a plugin like this:

export const MyPlugin: Plugin = async (ctx: PluginInput) => {
        let times = 0;
        return {
		event: async ({ event }) => {
			if (event.type === "session.idle") {
				console.log("Hello" + times++);
			}
		},
	};
}

You will observe the logs happening twice:

Hello0
Hello0

However, now move the declaration of times outside the plugin: let times = 0;

export const MyPlugin: Plugin = async (ctx: PluginInput) => {
        return {
		event: async ({ event }) => {
			if (event.type === "session.idle") {
				console.log("Hello" + times++);
			}
		},
	};
}

You will now observe logs as such:

Hello0
Hello1

For one, this is unexpected because the event listener seems to be triggering twice. But based off these logs, it seems like the plugin itself is registering twice?