refactor: several improvements (#943)

- rename agents_config_dir to agents_data_dir
- do not save empty role name while saving the session
- rename delete keys (roles/sessions/rags/agents => role/session/rag/agent-data)
- improve some printing messages

1 files changed, 8 insertions, 0 deletions

diff --git a/src/utils/mod.rs b/src/utils/mod.rs
index 0bd1d41..a551855 100644
--- a/src/utils/mod.rs
+++ b/src/utils/mod.rs
@@ -117,6 +117,14 @@ where
     }
 }
 
+pub fn convert_option_string(value: &str) -> Option<String> {
+    if value.is_empty() {
+        None
+    } else {
+        Some(value.to_string())
+    }
+}
+
 pub fn fuzzy_match(text: &str, pattern: &str) -> bool {
     let text_chars: Vec<char> = text.chars().collect();
     let pattern_chars: Vec<char> = pattern.chars().collect();