Add manifest version bump CI

scripts/bump-manifest-version.mjs

@@ -0,0 +1,55 @@
+import { readFile, writeFile } from "node:fs/promises";
+import path from "node:path";
+
+function incrementVersion(version) {
+  if (typeof version !== "string" || !version.trim()) {
+    throw new Error("manifest.json version is missing.");
+  }
+
+  const segments = version.split(".").map((segment) => {
+    if (!/^\d+$/.test(segment)) {
+      throw new Error(`Unsupported version segment: ${segment}`);
+    }
+    return Number(segment);
+  });
+
+  if (!segments.length) {
+    throw new Error(`Unsupported version format: ${version}`);
+  }
+
+  let carry = 1;
+  for (let index = segments.length - 1; index >= 0 && carry; index -= 1) {
+    segments[index] += carry;
+    if (index > 0 && segments[index] >= 10) {
+      segments[index] = 0;
+      carry = 1;
+    } else {
+      carry = 0;
+    }
+  }
+
+  return segments.join(".");
+}
+
+async function main() {
+  const dryRun = process.argv.includes("--dry-run");
+  const manifestPath = path.resolve(process.cwd(), process.env.MANIFEST_PATH || "manifest.json");
+  const manifestRaw = await readFile(manifestPath, "utf8");
+  const manifest = JSON.parse(manifestRaw);
+  const currentVersion = manifest?.version;
+  const nextVersion = incrementVersion(currentVersion);
+
+  if (dryRun) {
+    console.log(`${currentVersion} -> ${nextVersion}`);
+    return;
+  }
+
+  manifest.version = nextVersion;
+  await writeFile(manifestPath, `${JSON.stringify(manifest, null, 2)}\n`, "utf8");
+  console.log(`Updated manifest version: ${currentVersion} -> ${nextVersion}`);
+}
+
+main().catch((error) => {
+  console.error(error instanceof Error ? error.message : String(error));
+  process.exitCode = 1;
+});