release(v1.6.9): feat(core) localize assets, harden headers, and speed up load

.github/codeql/codeql-config.yml

@@ -0,0 +1,15 @@
+---
+name: "FileRise CodeQL config"
+
+# Scan only FileRise code, not vendored/minified/generated assets
+paths:
+  - public/js            # frontend JS/ES modules
+  - src                  
+paths-ignore:
+  - public/vendor/**
+  - public/css/vendor/**
+  - public/fonts/**
+  - public/**/*.min.js
+  - public/**/*.min.css
+  - public/**/*.map
+  - **/node_modules/**