Add jvii binary and set default text editor

- Add jvii as a new binary target in Cargo configuration
- Set JV_TEXT_EDITOR environment variable to "nano" in CLI scripts
- Implement jvii binary with version command support
- Add get_default_editor() utility that checks JV_TEXT_EDITOR, EDITOR,
  then defaults to "jvii"

1 files changed, 20 insertions, 0 deletions

diff --git a/src/utils/env.rs b/src/utils/env.rs
index 5a37365..c96760b 100644
--- a/src/utils/env.rs
+++ b/src/utils/env.rs
@@ -47,3 +47,23 @@ pub fn enable_auto_update() -> bool {
     }
     false
 }
+
+/// Gets the default text editor based on environment variables.
+///
+/// The function checks the JV_TEXT_EDITOR and EDITOR environment variables
+/// and returns their values if they are set. If neither variable is set,
+/// it returns "jvii" as the default editor.
+///
+/// # Returns
+/// A String containing the default text editor
+pub async fn get_default_editor() -> String {
+    if let Ok(editor) = std::env::var("JV_TEXT_EDITOR") {
+        return editor;
+    }
+
+    if let Ok(editor) = std::env::var("EDITOR") {
+        return editor;
+    }
+
+    "jvii".to_string()
+}