initial commit

Signed-off-by: Kamal Tufekcic <kamal@lo.sh>

soliton_capi/build.rs

@@ -0,0 +1,11 @@
+/// Build script for soliton_capi.
+///
+/// `soliton.h` is checked into the repo and verified by a dev-dependency
+/// test (`header_up_to_date` in `tests/capi_tests.rs`). cbindgen runs
+/// only during `cargo test`, not during normal builds — this eliminates
+/// ~30 build-time transitive dependencies from the supply chain attack
+/// surface.
+fn main() {
+    // Re-run if the header is deleted so cargo knows to rebuild.
+    println!("cargo:rerun-if-changed=soliton.h");
+}