refactor: clean up main entry point

- Use shared terminal helpers (hideCursor, showCursor, clearLine,
  clearScreen, visibleLength, padRight) from terminal.ts
- Simplify allCommandDefs dedup with new Set()
- Centralize terminal state restore into exitMenu() closure + finally

Co-Authored-By: Claude <noreply@anthropic.com>

index.ts

@@ -1,7 +1,6 @@
 #!/usr/bin/env bun
 
 // gai — AI-powered git commit and PR helper
-// v0.1.3
 
 import { runCLI, registerCommands, formatHelp, type CommandDef, type ParsedArgs } from "./src/cli";
 import { handleCommit } from "./src/commands/commit";
@@ -11,8 +10,7 @@ import { handleExplain } from "./src/commands/explain";
 import { handleReview } from "./src/commands/review";
 import { handleChangelog } from "./src/commands/changelog";
 import { handleSuggest } from "./src/commands/suggest";
-import { setColorEnabled } from "./src/terminal";
-import { BOLD, GREEN, CYAN, DIM, RESET } from "./src/terminal";
+import { setColorEnabled, BOLD, GREEN, CYAN, DIM, RESET, hideCursor, showCursor, clearLine, clearScreen, visibleLength, padRight } from "./src/terminal";
 import { isStdinTTY, initTTY } from "./src/tty";
 import { VERSION } from "./src/brand";
 import { SKIP_WAIT } from "./src/menu";
@@ -37,11 +35,6 @@ const MENU_ITEMS: MenuItem[] = [
   { key: "config", label: "Config", description: "Configure API settings", group: "Project" },
 ];
 
-function hideCursor() { process.stdout.write("\x1b[?25l"); }
-function showCursor() { process.stdout.write("\x1b[?25h"); }
-
-function clearLine() { process.stdout.write("\r\x1b[2K"); }
-
 async function readKey(): Promise<string> {
   return new Promise((resolve) => {
     const onData = (data: Buffer) => {
@@ -52,14 +45,6 @@ async function readKey(): Promise<string> {
   });
 }
 
-function visibleLen(s: string): number {
-  return s.replace(/\x1b\[[0-9;]*m/g, "").length;
-}
-
-function padRight(value: string, width: number): string {
-  return value + " ".repeat(Math.max(0, width - visibleLen(value)));
-}
-
 function renderMenu(cursor: number): number {
   process.stdout.write("\x1b[H"); // cursor home
 
@@ -84,7 +69,7 @@ function renderMenu(cursor: number): number {
   write("");
 
   const keyWidth = 3;
-  const labelWidth = Math.max(...MENU_ITEMS.map((m) => visibleLen(m.label))) + 2;
+  const labelWidth = Math.max(...MENU_ITEMS.map((m) => visibleLength(m.label))) + 2;
   let currentGroup: MenuItem["group"] | null = null;
 
   for (let i = 0; i < MENU_ITEMS.length; i++) {
@@ -165,14 +150,14 @@ async function waitForEnter(): Promise<void> {
     // Resume stdin in case it was paused
     process.stdin.resume();
   });
-  process.stdout.write("\x1b[2J\x1b[H"); // clear screen
+  clearScreen();
 }
 
 async function dispatchAndWait(item: MenuItem, wasRaw: boolean): Promise<number> {
   showCursor();
   process.stdin.setRawMode(wasRaw === true);
   process.stdin.pause();
-  process.stdout.write("\x1b[2J\x1b[H"); // clear screen
+  clearScreen();
   const result = await dispatchMenuAction(item.key);
   if (result === (SKIP_WAIT as unknown as number)) {
     return 0; // user explicitly backed out — skip "Press Enter" and return directly
@@ -197,6 +182,13 @@ async function showMenu(): Promise<number> {
   // Initial render
   renderMenu(cursor);
 
+  const exitMenu = (exitCode: number): number => {
+    showCursor();
+    process.stdin.setRawMode(wasRaw === true);
+    process.stdin.pause();
+    return exitCode;
+  };
+
   try {
     while (true) {
       const raw = await readKey();
@@ -214,7 +206,7 @@ async function showMenu(): Promise<number> {
       // Enter
       if (raw === "\r" || raw === "\n") {
         const result = await dispatchAndWait(MENU_ITEMS[cursor]!, wasRaw);
-        if (result !== 0) return result;
+        if (result !== 0) return exitMenu(result);
         hideCursor();
         if (wasRaw !== true) process.stdin.setRawMode(true);
         process.stdin.resume();
@@ -224,11 +216,8 @@ async function showMenu(): Promise<number> {
 
       // Ctrl+C
       if (raw === "\x03") {
-        showCursor();
-        process.stdin.setRawMode(wasRaw === true);
-        process.stdin.pause();
         process.stdout.write("\n");
-        return 0;
+        return exitMenu(0);
       }
 
       // Number hotkeys (1-8)
@@ -238,7 +227,7 @@ async function showMenu(): Promise<number> {
           cursor = idx;
           renderMenu(cursor);
           const result = await dispatchAndWait(MENU_ITEMS[idx]!, wasRaw);
-          if (result !== 0) return result;
+          if (result !== 0) return exitMenu(result);
           hideCursor();
           if (wasRaw !== true) process.stdin.setRawMode(true);
           process.stdin.resume();
@@ -250,27 +239,18 @@ async function showMenu(): Promise<number> {
       // Letter hotkeys
       const lower = raw.toLowerCase();
       if (lower === "h") {
-        showCursor();
-        process.stdin.setRawMode(wasRaw === true);
-        process.stdin.pause();
-        process.stdout.write("\x1b[2J\x1b[H");
+        clearScreen();
         console.log(formatHelp(commands));
-        return 0;
+        return exitMenu(0);
       }
       if (lower === "v") {
-        showCursor();
-        process.stdin.setRawMode(wasRaw === true);
-        process.stdin.pause();
-        process.stdout.write("\x1b[2J\x1b[H");
+        clearScreen();
         console.log(`gai v${VERSION}`);
-        return 0;
+        return exitMenu(0);
       }
       if (lower === "q") {
-        showCursor();
-        process.stdin.setRawMode(wasRaw === true);
-        process.stdin.pause();
         process.stdout.write("\n");
-        return 0;
+        return exitMenu(0);
       }
     }
   } finally {
@@ -428,10 +408,8 @@ const commands = registerCommands(
   },
 );
 
-// Keep the defs accessible for help command
-const allCommandDefs = [...commands.values()].filter(
-  (c, i, arr) => arr.findIndex((x) => x.name === c.name) === i,
-);
+// Keep canonical command defs accessible for help command (deduplicate by reference)
+const allCommandDefs = [...new Set(commands.values())];
 
 // ── Main ───────────────────────────────────────────────────────────────
 

package.json

@@ -1,6 +1,6 @@
 {
   "name": "gai",
-  "version": "0.1.3",
+  "version": "0.1.4",
   "description": "AI-powered git helper — commit messages, PRs, code review, changelogs, and more",
   "module": "index.ts",
   "type": "module",