feat(cli): show model name in chat header, remove provider from prompt

Author: itzlambda

crates/rullm-cli/src/commands/chat/interactive.rs

@@ -16,10 +16,10 @@ pub async fn run_interactive_chat(
     use super::{ChatPrompt, setup_reedline};
 
     println!(
-        "{} {} {}",
+        "{} {}/{}",
         "Interactive chat with".green(),
         client.provider_name().blue().bold(),
-        "(Ctrl+C to exit)".dimmed()
+        client.model_name().blue().bold(),
     );
     println!(
         "{} Type {} for available commands.",
@@ -32,11 +32,11 @@ pub async fn run_interactive_chat(
         "exit".yellow(),
         "quit".yellow()
     );
-    println!("");
+    println!();
 
     let mut conversation = Vec::new();
     let mut line_editor = setup_reedline(config.config.vi_mode, &config.data_base_path)?;
-    let prompt = ChatPrompt::new(client.provider_name().to_string());
+    let prompt = ChatPrompt::new();
 
     // Track Ctrl+C presses for double-press exit
     let mut last_ctrl_c: Option<Instant> = None;

crates/rullm-cli/src/commands/chat/prompt.rs

@@ -4,14 +4,12 @@ use std::borrow::Cow;
 
 #[derive(Clone)]
 pub struct ChatPrompt {
-    pub provider_name: String,
     pub multiline_mode: bool,
 }
 
 impl ChatPrompt {
-    pub(crate) fn new(provider_name: String) -> Self {
+    pub(crate) fn new() -> Self {
         Self {
-            provider_name,
             multiline_mode: false,
         }
     }
@@ -27,11 +25,7 @@ impl Prompt for ChatPrompt {
     }
 
     fn render_prompt_right(&self) -> Cow<str> {
-        if self.multiline_mode {
-            Cow::Borrowed("")
-        } else {
-            Cow::Owned(format!("[{}]", self.provider_name.blue()))
-        }
+        Cow::Borrowed("")
     }
 
     fn render_prompt_indicator(&self, edit_mode: PromptEditMode) -> Cow<str> {

crates/rullm-core/src/simple.rs

@@ -804,6 +804,15 @@ impl SimpleLlmClient {
             | SimpleLlmClient::Google { config, .. } => config,
         }
     }
+
+    /// Returns the model name used by this client (the default model for the provider)
+    pub fn model_name(&self) -> &str {
+        match self {
+            SimpleLlmClient::OpenAI { config, .. } => &config.default_models.openai,
+            SimpleLlmClient::Anthropic { config, .. } => &config.default_models.anthropic,
+            SimpleLlmClient::Google { config, .. } => &config.default_models.google,
+        }
+    }
 }
 
 #[cfg(test)]