Add initial image CLI runtime

src/index.ts

@@ -0,0 +1,31 @@
+import { streamPrompt } from "@/ai";
+import { loadConfig } from "@/config";
+import { saveImage } from "@/image";
+
+const DEFAULT_PROMPT =
+	"A cute nano banano mascot in a clean sci-fi lab, bright colors, polished illustration";
+
+function buildPrompt(): string {
+	const cliPrompt = Bun.argv.slice(2).join(" ").trim();
+	return cliPrompt || DEFAULT_PROMPT;
+}
+
+async function main(): Promise<void> {
+	const config = loadConfig();
+	const prompt = buildPrompt();
+
+	console.log(`Prompt: ${prompt}`);
+
+	const image = await streamPrompt(config, prompt);
+
+	const savedImagePath = await saveImage(image.bytes, image.mediaType);
+
+	console.log(`\nSaved image: ${savedImagePath}`);
+	console.log(`Image media type: ${image.mediaType}`);
+}
+
+main().catch((error: unknown) => {
+	const message = error instanceof Error ? error.message : String(error);
+	console.error(`\nRequest failed: ${message}`);
+	process.exitCode = 1;
+});