refactor: hide sytem roles from repl tab-completion (#407)

src/config/mod.rs

@@ -502,7 +502,12 @@ impl Config {
     pub fn repl_complete(&self, cmd: &str, args: &[&str]) -> Vec<String> {
         let (values, filter) = if args.len() == 1 {
             let values = match cmd {
-                ".role" => self.roles.iter().map(|v| v.name.clone()).collect(),
+                ".role" => self
+                    .roles
+                    .iter()
+                    .filter(|v| !v.is_system())
+                    .map(|v| v.name.clone())
+                    .collect(),
                 ".model" => list_models(self).into_iter().map(|v| v.id()).collect(),
                 ".session" => self.list_sessions(),
                 ".set" => vec![

src/config/role.rs

@@ -46,8 +46,7 @@ impl Role {
                 r#"Provide only {shell} commands for {os} without any description.
 Ensure the output is a valid {shell} command. {combine}
 If there is a lack of details, provide most logical solution.
-Provide only plain text without Markdown formatting.
-Do not provide markdown formatting such as ```"#
+Output plain text only, without any markdown formatting."#
             ),
             temperature: None,
         }
@@ -68,17 +67,20 @@ APPLY MARKDOWN formatting when possible."#
     pub fn for_code() -> Self {
         Self {
             name: Self::CODE.into(),
-            prompt: r#"Provide only code as output without any description.
-Provide only code in plain text format without Markdown formatting.
-Do not include symbols such as ``` or ```python.
-If there is a lack of details, provide most logical solution.
-You are not allowed to ask for more details.
-For example if the prompt is "Hello world Python", you should return "print('Hello world')"."#
+            prompt: r#"Provide only code, without comments or explanations.
+If there is a lack of details, provide most logical solution, without requesting further clarification."#
                 .into(),
             temperature: None,
         }
     }
 
+    pub fn is_system(&self) -> bool {
+        matches!(
+            self.name.as_str(),
+            Self::EXECUTE | Self::DESCRIBE_COMMAND | Self::CODE
+        )
+    }
+
     pub fn export(&self) -> Result<String> {
         let output = serde_yaml::to_string(&self)
             .with_context(|| format!("Unable to show info about role {}", &self.name))?;