N-gram error tracking for adaptive drill selection

src/lib.rs

@@ -0,0 +1,18 @@
+// Library target exists solely for criterion benchmarks.
+// The binary entry point is main.rs; this file re-declares the module tree so
+// that bench harnesses can import types via `keydr::engine::*` / `keydr::session::*`.
+// Most code is only exercised through the binary, so suppress dead_code warnings.
+#![allow(dead_code)]
+
+// Public: used directly by benchmarks
+pub mod engine;
+pub mod session;
+
+// Private: required transitively by engine/session (won't compile without them)
+mod app;
+mod config;
+mod event;
+mod generator;
+mod keyboard;
+mod store;
+mod ui;