introduced .bantam.cfg in addition to model.cfg

main.go

@@ -244,6 +244,15 @@ func setCfg(path, key, val string) error {
   return os.WriteFile(path, []byte(strings.Join(lines, "\n")), 0644)
 }
 
+// configPath returns the configuration file to load: .bantam.cfg takes
+// priority over model.cfg when both exist in the current working directory,
+// falling back to model.cfg (which may be absent, triggering defaults).
+func configPath() string {
+  if _, err := os.Stat(".bantam.cfg"); err == nil {
+    return ".bantam.cfg"
+  }
+  return "model.cfg"
+}
 const defaultSystemPrompt = `You are Bantam, a tiny, powerful AI agent. Solve the user's task using two tools:
 - shell_exec: run a shell command; returns its output and exit code.
 - run_subagent: delegate a sub-task to a child agent; returns its reply.
@@ -1586,7 +1595,7 @@ func doCompact(cfg *Cfg, msgs []Message) []Message {
 
 func main() {
   sp := prompt("system.txt")
-  cfg := getCfg("model.cfg")
+  cfg := getCfg(configPath())
   cfg.ContextWindow = fetchContextWindow(&cfg)
   if td := toolsDir(&cfg); td != "" {
     sp += "\n\nExtra shell tools can be found at " + td
@@ -1694,11 +1703,11 @@ func main() {
         }
       } else if len(parts) >= 3 {
         k, v := strings.TrimSpace(parts[1]), strings.TrimSpace(parts[2])
-        if err := setCfg("model.cfg", k, v); err != nil {
+        if err := setCfg(".bantam.cfg", k, v); err != nil {
           fmt.Println(c("[cfg error: "+err.Error()+"]", 31))
           continue
         }
-        cfg = getCfg("model.cfg")
+        cfg = getCfg(configPath())
         if k == "model" || k == "endpoint" || k == "api_key" {
           cfg.ContextWindow = fetchContextWindow(&cfg)
         }