feat(brand): redesign logo with bold box-drawing ASCII art; bump v0.1.3

Replace the simple ASCII logo with a bold 'GAI' box-drawing font
that renders cleanly in modern terminals. Fix version to v0.1.3
across all files (brand, cli, index, package.json).

index.ts

@@ -1,7 +1,7 @@
 #!/usr/bin/env bun
 
 // gai — AI-powered git commit and PR helper
-// v0.2.0
+// v0.1.3
 
 import { runCLI, registerCommands, formatHelp, type CommandDef, type ParsedArgs } from "./src/cli";
 import { handleCommit } from "./src/commands/commit";
@@ -239,7 +239,7 @@ async function showMenu(): Promise<number> {
         process.stdin.setRawMode(wasRaw === true);
         process.stdin.pause();
         process.stdout.write("\x1b[2J\x1b[H");
-        console.log("gai v0.2.0");
+        console.log("gai v0.1.3");
         return 0;
       }
       if (lower === "q") {

package.json

@@ -1,6 +1,6 @@
 {
   "name": "gai",
-  "version": "0.2.0",
+  "version": "0.1.3",
   "description": "AI-powered git helper — commit messages, PRs, code review, changelogs, and more",
   "module": "index.ts",
   "type": "module",

src/brand.ts

@@ -2,7 +2,7 @@
 
 import { GREEN, CYAN, RESET } from "./terminal";
 
-const VERSION = "0.2.0";
+const VERSION = "0.1.3";
 
 export function showBanner(): string {
   const G = GREEN();
@@ -11,10 +11,12 @@ export function showBanner(): string {
 
   return [
     "",
-    `${G}   ___   ___   _${R}`,
+    `${G}  ██████╗  █████╗ ██╗${R}`,
-    `${G}  / _ \\ / _ | (_)${R}`,
+    `${G} ██╔════╝ ██╔══██╗██║${R}`,
-    `${G} | (_) | (_| | | |${R}  ${C}AI-powered git helper${R}`,
+    `${G} ██║  ██╗ ███████║██║${R}`,
-    `${G}  \\___/ \\__,_|_|_|${R}  ${C}v${VERSION}${R}`,
+    `${G} ██║  ██║ ██╔══██║██║${R}`,
+    `${G} ╚██████╝ ██║  ██║██║${R}  ${C}AI-powered git helper${R}`,
+    `${G}  ╚═════╝ ╚═╝  ╚═╝╚═╝${R}  ${C}v${VERSION}${R}`,
     "",
   ].join("\n");
 }

src/cli.ts

@@ -282,7 +282,7 @@ export async function runCLI(rawArgs: string[], commands: Map<string, CommandDef
 
   // Handle --version globally
   if (result.flags["version"]) {
-    console.log("gai v0.2.0");
+    console.log("gai v0.1.3");
     return 0;
   }