feat(cli): add config command and improve menu clearing

index.ts

@@ -277,6 +277,7 @@ interface MenuAction {
 
 const MENU_ACTIONS: MenuAction[] = [
   { key: "commit", label: "commit", description: "Generate AI commit message" },
+  { key: "config", label: "config", description: "Configure API settings" },
 ];
 
 async function showMenu(): Promise<void> {
@@ -304,9 +305,9 @@ async function showMenu(): Promise<void> {
   }
 
   function clearMenu() {
-    process.stdout.write(`\x1b[${totalLines}A`);
+    process.stdout.write(`\x1b[${headerLines}A`);
     for (let i = 0; i < totalLines; i++) {
-      process.stdout.write("\x1b[2K\x1b[1B");
+      process.stdout.write("\r\x1b[2K\n");
     }
     process.stdout.write(`\x1b[${totalLines}A`);
   }
@@ -384,6 +385,8 @@ async function showMenu(): Promise<void> {
 
         if (selected.key === "commit") {
           handleCommit(false, false).then(resolve);
+        } else if (selected.key === "config") {
+          handleConfig().then(resolve);
         } else {
           resolve();
         }