refactor: consolidate platform engines into senbei-engine

senbei-engine/src/lib.rs

@@ -0,0 +1,14 @@
+//! Platform-specific unpacking engines.
+
+pub mod android;
+pub mod windows;
+
+pub use windows::{
+    Detected, IntegrityReport, Kind, UnpackError, check_integrity, detect, unpack_auto,
+    unpack_auto_v, unpack_dll, unpack_dll_v, unpack_exe, unpack_exe_v,
+};
+
+/// Deterministic worker-thread cap shared by filesystem scanning and engines.
+pub fn thread_cap() -> usize {
+    windows::thread_cap()
+}