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

@@ -2,35 +2,37 @@
 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";
 
-const { values: args, positionals } = util.parseArgs({
-  args: process.argv.slice(2),
-  options: {
-    model: { type: "string" },
-    m: { type: "string" },
-    new: { type: "boolean" },
-    n: { type: "boolean" },
-    config: { type: "boolean" },
-    c: { type: "boolean" },
-    plain: { type: "boolean" },
-    "plain-out": { type: "boolean" },
-    "plain-err": { type: "boolean" },
-    version: { type: "boolean" },
-    v: { type: "boolean" },
-    "git-message": { type: "boolean" },
-    g: { type: "boolean" },
-    review: { type: "boolean" },
-    r: { type: "boolean" },
-  },
-  strict: true,
-  allowPositionals: true,
-});
-
 async function main() {
+  const { values: args, positionals } = util.parseArgs({
+    args: process.argv.slice(2),
+    options: {
+      model: { type: "string" },
+      m: { type: "string" },
+      new: { type: "boolean" },
+      n: { type: "boolean" },
+      config: { type: "boolean" },
+      c: { type: "boolean" },
+      plain: { type: "boolean" },
+      "plain-out": { type: "boolean" },
+      "plain-err": { type: "boolean" },
+      version: { type: "boolean" },
+      v: { type: "boolean" },
+      "git-message": { type: "boolean" },
+      g: { type: "boolean" },
+      review: { type: "boolean" },
+      r: { type: "boolean" },
+    },
+    strict: true,
+    allowPositionals: true,
+  });
+
   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);
 });