Publish harness and TUI open-source

initial sync from the monorepo

crates/codegen/xai-grok-pager/tests/grok_home_paths.rs

@@ -0,0 +1,37 @@
+//! `GROK_HOME` override tests in an isolated binary so `grok_home()`'s
+//! process-wide `OnceLock` initializes from the overridden env var.
+
+use std::path::PathBuf;
+
+#[test]
+fn grok_home_override_path_helpers() {
+    let tmp = tempfile::tempdir().expect("tempdir");
+    let grok_home = tmp.path().to_path_buf();
+    unsafe {
+        std::env::set_var("GROK_HOME", &grok_home);
+    }
+
+    assert_eq!(
+        xai_grok_pager::util::pager_toml_path(),
+        grok_home.join("pager.toml")
+    );
+    assert_eq!(
+        xai_grok_pager::util::display_grok_home_prefix(),
+        "$GROK_HOME"
+    );
+    assert_eq!(
+        xai_grok_pager::util::display_user_grok_path("config.toml"),
+        "$GROK_HOME/config.toml"
+    );
+
+    let memory_path = grok_home.join("memory/MEMORY.md");
+    assert_eq!(
+        xai_grok_pager::util::abbreviate_path(&memory_path.display().to_string()),
+        "$GROK_HOME/memory/MEMORY.md"
+    );
+
+    assert!(xai_grok_pager::util::is_under_user_grok_home(&memory_path));
+    assert!(!xai_grok_pager::util::is_under_user_grok_home(
+        PathBuf::from("/tmp/other").as_path()
+    ));
+}