chore: initialize autoresearch baseline

crates/llama-sys/build.rs

@@ -0,0 +1,14 @@
+/// Build script for llama-sys.
+///
+/// Phase 2: Dynamic loading via libloading — no .lib needed.
+/// The real llama.dll path is communicated to the crate via the
+/// LLAMA_DLL_PATH env var or a sensible default.
+///
+/// Phase 3+ will optionally compile llama.cpp from source.
+
+fn main() {
+    // Nothing to link here — we use libloading at runtime.
+    // Rerun if the env var changes.
+    println!("cargo:rerun-if-env-changed=LLAMA_DLL_PATH");
+    println!("cargo:rerun-if-changed=build.rs");
+}