Package workstation tools, reuse emulator sessions, and derive build versions

tools/version-build.rs

@@ -0,0 +1,20 @@
+// Every workspace crate uses the same resolver, including direct Cargo builds.
+use std::{env, path::PathBuf, process::Command};
+fn main() {
+    let manifest = PathBuf::from(env::var_os("CARGO_MANIFEST_DIR").unwrap());
+    let root = manifest.parent().unwrap().parent().unwrap();
+    let output = Command::new("python3")
+        .arg(root.join("tools/version"))
+        .arg("--cargo")
+        .output()
+        .expect("Python 3 is required to resolve the FDS build version");
+    assert!(
+        output.status.success(),
+        "FDS version discovery failed: {}",
+        String::from_utf8_lossy(&output.stderr)
+    );
+    print!(
+        "{}",
+        String::from_utf8(output.stdout).expect("Version metadata must be UTF-8")
+    );
+}