fix(recipe): improve unsafe shell command error message

Update the error message for unsafe shell commands to be more concise and user-friendly, removing redundant "ERROR:" prefix and "try again" instruction.

internal/recipe/loader.go

@@ -51,7 +51,7 @@ func Load(path string, userParams map[string]any) (*Recipe, error) {
 	for _, cmd := range r.AllowedShellCommands {
 		trimmed := strings.TrimSpace(strings.ToLower(cmd))
 		if !safeReadOnlyCommands[trimmed] && !strings.HasPrefix(trimmed, "git status") && !strings.HasPrefix(trimmed, "git log") {
-			return nil, fmt.Errorf("\u001B[31mERROR: Recipe contains unsafe shell command: %q\u001B[0m Remove or replace the dangerous command and try again", cmd)
+			return nil, fmt.Errorf("\u001B[31mRecipe contains unsafe shell command: %q. Remove or replace the dangerous command in your recipe.\u001B[0m", cmd)
 		}
 	}