Fix: Missing smart_approve in CLI /mode help text and error message (#4132)

crates/goose-cli/src/session/input.rs

@@ -281,7 +281,7 @@ fn print_help() {
 /builtin <names> - Add builtin extensions by name (comma-separated)
 /prompts [--extension <name>] - List all available prompts, optionally filtered by extension
 /prompt <n> [--info] [key=value...] - Get prompt info or execute a prompt
-/mode <name> - Set the goose mode to use ('auto', 'approve', 'chat')
+/mode <name> - Set the goose mode to use ('auto', 'approve', 'chat', 'smart_approve')
 /plan <message_text> -  Enters 'plan' mode with optional message. Create a plan based on the current messages and asks user if they want to act on it.
                         If user acts on the plan, goose mode is set to 'auto' and returns to 'normal' goose mode.
                         To warm up goose before using '/plan', we recommend setting '/mode approve' & putting appropriate context into goose.

crates/goose-cli/src/session/mod.rs

@@ -581,7 +581,7 @@ impl Session {
                     // Check if mode is valid
                     if !["auto", "approve", "chat", "smart_approve"].contains(&mode.as_str()) {
                         output::render_error(&format!(
-                            "Invalid mode '{}'. Mode must be one of: auto, approve, chat",
+                            "Invalid mode '{}'. Mode must be one of: auto, approve, chat, smart_approve",
                             mode
                         ));
                         continue;