refactor(cli): rename /reset command to /clear

Rename the chat slash command from /reset to /clear for better clarity.
Changes include updating the enum variant, parsing logic, help text,
autocomplete suggestions, and confirmation message.

Author: itzlambda

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

@@ -10,7 +10,7 @@ impl SlashCommandCompleter {
         Self {
             commands: vec![
                 "/system".to_string(),
-                "/reset".to_string(),
+                "/clear".to_string(),
                 "/help".to_string(),
                 "/quit".to_string(),
                 "/exit".to_string(),
@@ -36,7 +36,7 @@ impl Completer for SlashCommandCompleter {
                 value: cmd.clone(),
                 description: match cmd.as_str() {
                     "/system" => Some("Set system prompt".to_string()),
-                    "/reset" => Some("Clear conversation history".to_string()),
+                    "/clear" => Some("Clear conversation history".to_string()),
                     "/help" => Some("Show available commands".to_string()),
                     "/quit" => Some("Exit chat".to_string()),
                     "/exit" => Some("Exit chat".to_string()),

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

@@ -6,7 +6,7 @@ use rullm_core::types::ChatRole;
 #[derive(Debug, Clone)]
 pub enum SlashCommand {
     System(String),
-    Reset,
+    Clear,
     Help,
     Quit,
     Edit,
@@ -20,7 +20,7 @@ impl SlashCommand {
             match input.to_lowercase().as_str() {
                 "quit" | "exit" => return Some(SlashCommand::Quit),
                 "help" => return Some(SlashCommand::Help),
-                "reset" => return Some(SlashCommand::Reset),
+                "clear" => return Some(SlashCommand::Clear),
                 "edit" => return Some(SlashCommand::Edit),
                 _ => {}
             }
@@ -42,7 +42,7 @@ impl SlashCommand {
                     SlashCommand::System(String::new())
                 }
             }
-            "reset" => SlashCommand::Reset,
+            "clear" => SlashCommand::Clear,
             "help" => SlashCommand::Help,
             "quit" | "exit" => SlashCommand::Quit,
             "edit" => SlashCommand::Edit,
@@ -79,9 +79,9 @@ pub async fn handle_slash_command(
             );
             Ok(HandleCommandResult::NoOp)
         }
-        SlashCommand::Reset => {
+        SlashCommand::Clear => {
             conversation.clear();
-            println!("{}", "Conversation reset.".green());
+            println!("{}", "Conversation cleared.".green());
             Ok(HandleCommandResult::NoOp)
         }
         SlashCommand::Help => {
@@ -94,7 +94,7 @@ pub async fn handle_slash_command(
             println!("  {} - Set system prompt", "/system <message>".yellow());
             println!(
                 "  {} - Clear conversation history",
-                "/reset (reset)".yellow()
+                "/clear (clear)".yellow()
             );
             println!("  {} - Show this help", "/help (help)".yellow());
             println!(