feat: Enhance version bumping process to update CHANGELOG.md with new version header

package.json

@@ -7,7 +7,7 @@
   "scripts": {
     "dev": "node esbuild.config.mjs",
     "build": "tsc -noEmit -skipLibCheck && node esbuild.config.mjs production",
-    "version": "node version-bump.mjs && git add manifest.json versions.json"
+    "version": "node version-bump.mjs && git add manifest.json versions.json CHANGELOG.md"
   },
   "keywords": [],
   "author": "Jiaxin PENG",

version-bump.mjs

@@ -12,3 +12,40 @@ writeFileSync("manifest.json", JSON.stringify(manifest, null, "\t"));
 let versions = JSON.parse(readFileSync("versions.json", "utf8"));
 versions[targetVersion] = minAppVersion;
 writeFileSync("versions.json", JSON.stringify(versions, null, "\t"));
+
+// tag the changelog by converting "Unreleased" to the new version section
+function bumpChangelog(version) {
+	const changelogPath = "CHANGELOG.md";
+	const content = readFileSync(changelogPath, "utf8");
+
+	const unreleasedHeader = "## Unreleased";
+	if (!content.includes(unreleasedHeader)) {
+		console.warn(`[version-bump] ${unreleasedHeader} not found in ${changelogPath}, skipping changelog tagging`);
+		return;
+	}
+
+	const today = new Date().toISOString().slice(0, 10);
+	const releaseHeader = `## v${version} (${today})`;
+	const updated = content.replace(unreleasedHeader, releaseHeader);
+
+	const marker = "# Changelog\n\n";
+	if (!updated.startsWith(marker)) {
+		writeFileSync(changelogPath, updated);
+		return;
+	}
+
+	const newUnreleased = [
+		"## Unreleased",
+		"",
+		"### Added",
+		"",
+		"### Changed",
+		"",
+		"### Fixed",
+		"",
+	].join("\n");
+
+	writeFileSync(changelogPath, marker + newUnreleased + updated.slice(marker.length));
+}
+
+bumpChangelog(targetVersion);