refactor(workspace): enforce layered crate boundaries

crates/aether-testing/loadtools/src/lib.rs

@@ -0,0 +1,28 @@
+//! Standalone load and benchmark tooling.
+//!
+//! This crate intentionally has no dependency on gateway internals or the
+//! integration test harness, so ordinary load-tool builds remain lightweight.
+
+mod http;
+mod load;
+mod metrics;
+mod runtime;
+
+pub use aether_test_support::ManagedRedisServer;
+pub use http::{json_body, test_http_client, test_http_client_config};
+pub use load::{
+    run_http_load_probe, run_multi_url_http_load_probe, HttpLoadProbeConfig,
+    HttpLoadProbeErrorSample, HttpLoadProbeResponseMode, HttpLoadProbeResult,
+    HttpLoadProbeStatusSample, MultiUrlHttpLoadProbeResult,
+};
+pub use metrics::{
+    fetch_prometheus_samples, find_metric_value_u64, parse_prometheus_samples, PrometheusSample,
+};
+pub use runtime::{BenchmarkRuntimeSampler, BenchmarkRuntimeSnapshot};
+
+pub fn init_load_runtime_for(service_name: &'static str) {
+    let _ = aether_runtime::init_service_runtime(
+        aether_runtime::ServiceRuntimeConfig::new(service_name, "aether_loadtools=debug")
+            .with_metrics_namespace("aether_loadtools"),
+    );
+}