fix: Loading entire file when no code blocks are selected

src/domain/models/editor.rs

@@ -56,7 +56,7 @@ impl EditorContext {
         let language = &self.language;
         let code = &self.code;
 
-        if code.is_empty() {
+        if code.is_empty() || self.end_line.is_none() {
             return format!("File: {file_path}");
         }
 

src/domain/models/editor_test.rs

@@ -14,7 +14,7 @@ fn it_renders_with_no_code() {
 }
 
 #[test]
-fn it_renders_with_code() {
+fn it_renders_with_file_path() {
     let context = EditorContext {
         file_path: "file.rs".to_string(),
         language: "rust".to_string(),
@@ -23,6 +23,19 @@ fn it_renders_with_code() {
         end_line: None,
     };
 
+    insta::assert_snapshot!(context.format(), @"File: file.rs");
+}
+
+#[test]
+fn it_renders_with_code() {
+    let context = EditorContext {
+        file_path: "file.rs".to_string(),
+        language: "rust".to_string(),
+        code: "let x = 5;".to_string(),
+        start_line: 0,
+        end_line: Some(1),
+    };
+
     insta::assert_snapshot!(context.format(), @r###"
     File: file.rs