feat(core): add shared request timing collector and middleware

.github/workflows/test.yml

@@ -68,6 +68,9 @@ jobs:
       - name: Run workspace tests
         run: cargo test --workspace --all-targets
 
+      - name: Core doctests
+        run: cargo test -p edgezero-core --doc
+
       # The adapter CLI dispatch (build/deploy/stage/healthcheck/rollback) and
       # its tests live behind the `cli` feature, which the unfeatured
       # `cargo test --workspace` step above does not enable — so none of those

crates/edgezero-adapter-cloudflare/tests/contract.rs

@@ -285,4 +285,23 @@ mod tests {
         let body = response.text().await.expect("text");
         assert_eq!(body, "no");
     }
+
+    #[wasm_bindgen_test::wasm_bindgen_test]
+    fn request_timing_clock_handle_and_attachment_work_on_runtime() {
+        super::request_timing_tests::clock_handle_and_attachment_work_on_runtime();
+    }
+
+    #[wasm_bindgen_test::wasm_bindgen_test]
+    fn request_timing_clock_advances_in_browser_harness() {
+        use worker::Date;
+
+        let deadline = Date::now().as_millis().saturating_add(2_000_u64);
+        super::request_timing_tests::clock_advances_on_local_runtime(|| {
+            Date::now().as_millis() >= deadline
+        });
+    }
 }
+
+#[cfg(test)]
+#[path = "../../edgezero-core/tests/support/request_timing.rs"]
+mod request_timing_tests;

crates/edgezero-adapter-fastly/tests/contract.rs

@@ -213,4 +213,23 @@ mod tests {
         assert_eq!(response.get_status(), FastlyStatus::OK);
         assert_eq!(response.take_body_bytes(), b"hello from fastly test");
     }
+
+    #[test]
+    fn request_timing_clock_handle_and_attachment_work_on_runtime() {
+        super::request_timing_tests::clock_handle_and_attachment_work_on_runtime();
+    }
+
+    #[test]
+    fn request_timing_clock_advances_in_viceroy_harness() {
+        use std::time::{Duration, SystemTime};
+
+        let deadline = SystemTime::now() + Duration::from_secs(2);
+        super::request_timing_tests::clock_advances_on_local_runtime(|| {
+            SystemTime::now() >= deadline
+        });
+    }
 }
+
+#[cfg(test)]
+#[path = "../../edgezero-core/tests/support/request_timing.rs"]
+mod request_timing_tests;

crates/edgezero-adapter-spin/tests/contract.rs

@@ -536,4 +536,23 @@ mod tests {
             "no secret handle yields the no-handle marker"
         );
     }
+
+    #[test]
+    fn request_timing_clock_handle_and_attachment_work_on_runtime() {
+        super::request_timing_tests::clock_handle_and_attachment_work_on_runtime();
+    }
+
+    #[test]
+    fn request_timing_clock_advances_in_wasmtime_harness() {
+        use std::time::{Duration, SystemTime};
+
+        let deadline = SystemTime::now() + Duration::from_secs(2);
+        super::request_timing_tests::clock_advances_on_local_runtime(|| {
+            SystemTime::now() >= deadline
+        });
+    }
 }
+
+#[cfg(test)]
+#[path = "../../edgezero-core/tests/support/request_timing.rs"]
+mod request_timing_tests;

crates/edgezero-core/src/lib.rs

@@ -33,6 +33,7 @@ pub mod manifest;
 pub mod middleware;
 pub mod params;
 pub mod proxy;
+pub mod request_timing;
 pub mod responder;
 pub mod response;
 pub mod router;