feat: add shared API operation metadata macro

crates/api-macros/tests/ui/path_mismatch.rs

@@ -0,0 +1,11 @@
+use api_macros::api;
+
+pub struct Response;
+
+#[api]
+pub trait PathMismatch {
+    #[get("/widgets/{widget_id}")]
+    async fn get(&self, #[path] other_id: u64) -> Response;
+}
+
+fn main() {}