feat: 添加 release 脚本骨架和版本递增逻辑

scripts/release.ts

@@ -0,0 +1,44 @@
+interface Semver {
+  major: number;
+  minor: number;
+  patch: number;
+}
+
+type BumpType = "major" | "minor" | "patch";
+
+export function parseSemver(version: string): Semver {
+  const parts = version.split(".");
+  if (parts.length !== 3) {
+    throw new Error(`无效的版本号格式: ${version}`);
+  }
+  const [major, minor, patch] = parts.map((p) => {
+    const n = Number(p);
+    if (Number.isNaN(n) || !Number.isInteger(n) || n < 0) {
+      throw new Error(`无效的版本号格式: ${version}`);
+    }
+    return n;
+  });
+  return { major: major!, minor: minor!, patch: patch! };
+}
+
+export function bumpVersion(current: string, type: BumpType): string {
+  const semver = parseSemver(current);
+  switch (type) {
+    case "major":
+      return `${semver.major + 1}.0.0`;
+    case "minor":
+      return `${semver.major}.${semver.minor + 1}.0`;
+    case "patch":
+      return `${semver.major}.${semver.minor}.${semver.patch + 1}`;
+  }
+}
+
+async function main(): Promise<void> {
+  // 后续 task 中实现流程编排
+  console.log("release 脚本骨架就绪");
+}
+
+main().catch((err: unknown) => {
+  console.error(err instanceof Error ? err.message : String(err));
+  process.exit(1);
+});