feat(cli): add alchemy and improve cli tooling and structure (#520)

scripts/release.ts

@@ -0,0 +1,38 @@
+import { readFile, writeFile } from "node:fs/promises";
+import { join } from "node:path";
+import { $ } from "bun";
+import { generate } from "changelogithub";
+import config from "../changelogithub.config";
+
+async function main(): Promise<void> {
+	const tag = process.env.GITHUB_REF?.replace("refs/tags/", "");
+	if (!tag) {
+		console.error("No git tag found");
+		process.exit(1);
+	}
+
+	console.log(`Generating changelog for ${tag}`);
+
+	const changelog = await generate({
+		to: tag,
+		...config,
+	});
+
+	const changelogPath = join(process.cwd(), "CHANGELOG.md");
+	let existingContent = "";
+
+	try {
+		existingContent = await readFile(changelogPath, "utf-8");
+	} catch {}
+
+	const newChangelog = `## ${tag}\n\n${changelog.md}\n\n---\n\n${existingContent}`;
+	await writeFile(changelogPath, newChangelog);
+
+	await $`git add CHANGELOG.md`;
+	await $`git commit -m "chore: update changelog for ${tag}"`;
+	await $`git push`;
+
+	console.log(`✅ Generated changelog for ${tag}`);
+}
+
+main().catch(console.error);