feat: 版本管理，package.json 唯一版本源、/api/meta 返回版本、Dashboard Header 展示版本号

tests/scripts/build.test.ts

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+import { afterEach, beforeEach, describe, expect, test } from "bun:test";
+import { mkdir, rm, writeFile } from "node:fs/promises";
+import { tmpdir } from "node:os";
+import { join } from "node:path";
+
+import { validateVersion } from "../../scripts/bump-version-logic";
+
+describe("build 版本注入", () => {
+  test("validateVersion 接受有效版本", () => {
+    expect(() => validateVersion("0.1.0")).not.toThrow();
+    expect(() => validateVersion("1.2.3")).not.toThrow();
+  });
+
+  test("validateVersion 拒绝无效版本", () => {
+    expect(() => validateVersion("invalid")).toThrow();
+    expect(() => validateVersion("1.0.0-beta.1")).toThrow();
+  });
+});
+
+describe("server-entry 版本字面量", () => {
+  let tempDir: string;
+
+  beforeEach(async () => {
+    tempDir = join(tmpdir(), `build-version-test-${Date.now()}`);
+    await mkdir(tempDir, { recursive: true });
+  });
+
+  afterEach(async () => {
+    await rm(tempDir, { force: true, recursive: true });
+  });
+
+  test("生成的 server-entry 包含版本字面量", async () => {
+    const version = "0.1.0";
+    const serverEntryTs = [
+      `import { bootstrap } from "../src/server/bootstrap";`,
+      `import { readRuntimeConfig } from "../src/server/config";`,
+      `import { staticAssets } from "./static-assets";`,
+      "",
+      `const APP_VERSION = "${version}" as const;`,
+      "",
+      `async function main() {`,
+      `  const { configPath } = readRuntimeConfig();`,
+      `  await bootstrap({ configPath, mode: "production", staticAssets, version: APP_VERSION });`,
+      `}`,
+      "",
+      `void main().catch((error) => {`,
+      `  console.error("启动失败:", error instanceof Error ? error.message : error);`,
+      `  process.exit(1);`,
+      `});`,
+      "",
+    ].join("\n");
+
+    await writeFile(join(tempDir, "server-entry.ts"), serverEntryTs);
+
+    const content = await Bun.file(join(tempDir, "server-entry.ts")).text();
+    expect(content).toContain(`const APP_VERSION = "${version}"`);
+    expect(content).toContain("version: APP_VERSION");
+  });
+
+  test("版本字面量不依赖外部 package.json", async () => {
+    const serverEntryTs = [`const APP_VERSION = "0.1.0" as const;`].join("\n");
+
+    await writeFile(join(tempDir, "server-entry.ts"), serverEntryTs);
+
+    const content = await Bun.file(join(tempDir, "server-entry.ts")).text();
+    expect(content).not.toContain("package.json");
+    expect(content).not.toContain("Bun.file");
+    expect(content).toContain('"0.1.0"');
+  });
+});

tests/scripts/bump-version.test.ts

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+import { afterEach, beforeEach, describe, expect, test } from "bun:test";
+import { existsSync, readFileSync, unlinkSync, writeFileSync } from "node:fs";
+import { tmpdir } from "node:os";
+import { join } from "node:path";
+
+import { bumpVersion, formatVersion, parseVersion, validateVersion } from "../../scripts/bump-version-logic";
+
+describe("版本解析与校验", () => {
+  test("parseVersion 解析有效版本", () => {
+    expect(parseVersion("0.1.0")).toEqual([0, 1, 0]);
+    expect(parseVersion("1.2.3")).toEqual([1, 2, 3]);
+    expect(parseVersion("10.20.30")).toEqual([10, 20, 30]);
+  });
+
+  test("parseVersion 拒绝无效版本", () => {
+    expect(() => parseVersion("invalid")).toThrow();
+    expect(() => parseVersion("1.2")).toThrow();
+    expect(() => parseVersion("1.2.3.4")).toThrow();
+    expect(() => parseVersion("1.2.a")).toThrow();
+  });
+
+  test("validateVersion 接受有效版本", () => {
+    expect(() => validateVersion("0.1.0")).not.toThrow();
+    expect(() => validateVersion("1.2.3")).not.toThrow();
+    expect(() => validateVersion("10.20.30")).not.toThrow();
+  });
+
+  test("validateVersion 拒绝无效版本", () => {
+    expect(() => validateVersion("")).toThrow();
+    expect(() => validateVersion("invalid")).toThrow();
+    expect(() => validateVersion("1.2")).toThrow();
+    expect(() => validateVersion("1.2.3.4")).toThrow();
+    expect(() => validateVersion("1.0.0-beta.1")).toThrow();
+    expect(() => validateVersion("v1.0.0")).toThrow();
+  });
+
+  test("formatVersion 格式化版本", () => {
+    expect(formatVersion(0, 1, 0)).toBe("0.1.0");
+    expect(formatVersion(1, 2, 3)).toBe("1.2.3");
+    expect(formatVersion(10, 20, 30)).toBe("10.20.30");
+  });
+});
+
+describe("版本升迁逻辑", () => {
+  test("bumpVersion patch 升迁", () => {
+    expect(bumpVersion("1.2.3", "patch")).toBe("1.2.4");
+    expect(bumpVersion("0.1.0", "patch")).toBe("0.1.1");
+    expect(bumpVersion("0.0.1", "patch")).toBe("0.0.2");
+  });
+
+  test("bumpVersion minor 危迁", () => {
+    expect(bumpVersion("1.2.3", "minor")).toBe("1.3.0");
+    expect(bumpVersion("0.1.0", "minor")).toBe("0.2.0");
+    expect(bumpVersion("0.0.1", "minor")).toBe("0.1.0");
+  });
+
+  test("bumpVersion major 危迁", () => {
+    expect(bumpVersion("1.2.3", "major")).toBe("2.0.0");
+    expect(bumpVersion("0.1.0", "major")).toBe("1.0.0");
+    expect(bumpVersion("0.0.1", "major")).toBe("1.0.0");
+  });
+
+  test("bumpVersion set 设置版本", () => {
+    expect(bumpVersion("1.2.3", "set", "2.0.0")).toBe("2.0.0");
+    expect(bumpVersion("0.1.0", "set", "0.2.0")).toBe("0.2.0");
+  });
+
+  test("bumpVersion set 拒绝无效版本", () => {
+    expect(() => bumpVersion("1.2.3", "set", "invalid")).toThrow();
+    expect(() => bumpVersion("1.2.3", "set", "1.0.0-beta.1")).toThrow();
+  });
+});
+
+describe("写入前保持原版本", () => {
+  let tempFile: string;
+
+  beforeEach(() => {
+    tempFile = join(tmpdir(), `bump-version-test-${Date.now()}.json`);
+    writeFileSync(tempFile, JSON.stringify({ name: "test", version: "1.2.3" }, null, 2) + "\n");
+  });
+
+  afterEach(() => {
+    if (existsSync(tempFile)) {
+      unlinkSync(tempFile);
+    }
+  });
+
+  test("set 无效版本不修改文件", () => {
+    const original = readFileSync(tempFile, "utf-8");
+    expect(() => bumpVersion("1.2.3", "set", "invalid")).toThrow();
+    const after = readFileSync(tempFile, "utf-8");
+    expect(after).toBe(original);
+  });
+});