Proc macros for building Barbacane WASM plugins.

This crate provides the #[barbacane_middleware] and #[barbacane_dispatcher] attribute macros that generate the necessary WASM exports for plugin entry points.

Example

use barbacane_plugin_sdk::prelude::*;

#[barbacane_middleware]
struct RateLimiter {
    quota: u32,
    window: u32,
}

impl RateLimiter {
    fn on_request(&mut self, req: Request) -> Action<Request> {
        // Rate limiting logic
        Action::Continue(req)
    }

    fn on_response(&mut self, resp: Response) -> Response {
        resp
    }
}