Add Phase 5 enhancements: security, i18n, analysis, backup, notifications

build.rs

@@ -33,4 +33,12 @@ fn main() {
         "cargo::rustc-env=GSETTINGS_SCHEMA_DIR={}",
         schema_dir.display()
     );
+
+    // Set LOCALEDIR for i18n support (development builds use a local path)
+    let locale_dir = out_dir.join("locale");
+    std::fs::create_dir_all(&locale_dir).ok();
+    println!(
+        "cargo::rustc-env=LOCALEDIR={}",
+        locale_dir.display()
+    );
 }