feat(testutil): port verifypr PR template verification

crates/testutil/Cargo.toml

@@ -21,19 +21,24 @@ pluto-core.workspace = true
 pluto-crypto.workspace = true
 pluto-eth2api.workspace = true
 pluto-eth2util.workspace = true
+pluto-featureset.workspace = true
 rand.workspace = true
+regex.workspace = true
 reqwest.workspace = true
 serde.workspace = true
 serde_json.workspace = true
 thiserror.workspace = true
 tokio.workspace = true
 tokio-util.workspace = true
 tracing.workspace = true
+tracing-subscriber.workspace = true
 tree_hash.workspace = true
+url.workspace = true
 wiremock.workspace = true
 
 [dev-dependencies]
 assert-json-diff.workspace = true
+test-case.workspace = true
 
 [lints]
 workspace = true

crates/testutil/src/bin/verifypr.rs

@@ -0,0 +1,22 @@
+//! Command `verifypr` verifies a GitHub pull request against the contribution
+//! template.
+//!
+//! The PR is read as JSON from the `GITHUB_PR` env variable.
+
+use std::{io, process::ExitCode};
+
+use pluto_testutil::verifypr::verify;
+
+fn main() -> ExitCode {
+    tracing_subscriber::fmt().with_writer(io::stderr).init();
+
+    if let Err(err) = verify() {
+        tracing::error!(%err, "❌ Verification failed");
+
+        return ExitCode::FAILURE;
+    }
+
+    tracing::info!("✅ Verification success");
+
+    ExitCode::SUCCESS
+}

crates/testutil/src/lib.rs

@@ -17,6 +17,9 @@ pub mod beaconmock;
 /// Validator mock — drives validator-side duties against a [`BeaconMock`].
 pub mod validatormock;
 
+/// Pull-request template verification.
+pub mod verifypr;
+
 pub use beaconmock::{BeaconMock, MockState, Validator, ValidatorSet};
 pub use random::{
     random_deneb_versioned_attestation, random_eth2_signature, random_eth2_signature_bytes,