fix(entry): improve error message formatting

- Relocate `util.parseArgs()` inside the main function for cleaner
  scoping
- Update `.catch` handlers in `index.ts` and `tts.ts` to wrap text to
  terminal width and colorize errors in red

index.ts

@@ -2,11 +2,14 @@
 import util from "node:util";
 import { createOpenAICompatible } from "@ai-sdk/openai-compatible";
 import { streamText } from "ai";
+import chalk from "chalk";
+import wrapAnsi from "wrap-ansi";
 
 import { initConfig, loadConfig } from "./src/config";
 import { Conversation } from "./src/conversation";
 import Renderer from "./src/render";
 
+async function main() {
   const { values: args, positionals } = util.parseArgs({
     args: process.argv.slice(2),
     options: {
@@ -30,7 +33,6 @@ const { values: args, positionals } = util.parseArgs({
     allowPositionals: true,
   });
 
-async function main() {
   const newConvo = args.new ?? args.n;
   const plainOut = args["plain-out"] ?? args.plain ?? !process.stdout.isTTY;
   const plainErr = args["plain-err"] ?? args.plain ?? !process.stderr.isTTY;
@@ -103,6 +105,9 @@ Review the above diff for any potential bugs, best practices, performance issues
 }
 
 main().catch((err) => {
-  console.error(err);
+  if ("message" in err) {
+    const [columns] = process.stderr.getWindowSize();
+    console.error(wrapAnsi(chalk.red(err.message), columns));
+  } else console.log(err);
   process.exit(1);
 });

tts.ts

@@ -180,6 +180,9 @@ async function main() {
 }
 
 main().catch((err) => {
-  console.error(err);
+  if ("message" in err) {
+    const [columns] = process.stderr.getWindowSize();
+    console.error(wrapAnsi(chalk.red(err.message), columns));
+  } else console.log(err);
   process.exit(1);
 });