fix(ui): skip "Press Enter" pause when user backs out of subcommand

src/commands/explain.ts

@@ -1,7 +1,7 @@
 import { loadConfig } from "../config";
 import { isGitRepo, getStagedDiff, getUnstagedFiles, getRepoRoot, stageFiles } from "../git";
 import { selectFiles } from "../selector";
-import { BACK } from "../menu";
+import { BACK, SKIP_WAIT } from "../menu";
 import { collectProjectContext } from "../context";
 import { EXPLAIN_SYSTEM_PROMPT, buildExplainPrompt } from "../prompt";
 import { callAI } from "../ai";
@@ -52,7 +52,7 @@ export async function handleExplain(args: ParsedArgs): Promise<number> {
         const unstagedFiles = await getUnstagedFiles();
         if (unstagedFiles.length > 0) {
           const selected = await selectFiles([], unstagedFiles);
-          if (selected === BACK) return 0;
+          if (selected === BACK) return SKIP_WAIT as unknown as number;
           if (selected.length > 0) {
             await stageFiles(selected);
             console.log(`  ${GREEN()}Staged ${selected.length} file(s).${RESET()}`);