feat(eagle3): Qwen3 EAGLE-3 drafter forward pass (single-step + chain rollout)

openinfer-qwen3/src/eagle3.rs

@@ -6,10 +6,15 @@ use anyhow::Result;
 use crate::config::Eagle3Config;
 use openinfer_core::tensor::{DeviceMatrix, DeviceVec};
 
+mod forward;
 mod loading;
 mod reservation;
 
-// Wired into the KV budget by the forward-pass PR; kept here as the skeleton lands.
+// Consumed by the scheduler PR that drives the drafter; exported as the forward
+// path lands.
+#[allow(unused_imports)]
+pub(crate) use forward::{Eagle3RequestState, Eagle3Scratch};
+// Wired into the KV budget by the scheduler PR; kept here as the skeleton lands.
 #[allow(unused_imports)]
 pub(crate) use reservation::Eagle3MemoryReservation;