refactor: 重构构建配置并更新构建脚本

- 重构构建配置以使用映射表定义目标平台，并改进输出日志显示格式。
- 更新构建脚本以使用 `bun build.ts` 替代手动编译命令

build.ts

@@ -1,23 +1,34 @@
-const targets = [
+const targetMap = {
+  'bun-windows-x64': 'x86_64-pc-windows-msvc',
+  'bun-darwin-arm64': 'aarch64-apple-darwin',
+  'bun-darwin-x64': 'x86_64-apple-darwin',
+  'bun-linux-x64': 'x86_64-unknown-linux-gnu',
+  'bun-linux-arm64': 'aarch64-unknown-linux-gnu',
+} as const
+
+type BunTarget = keyof typeof targetMap
+
+const targets: BunTarget[] = [
   'bun-windows-x64',
   'bun-darwin-arm64',
   'bun-linux-x64',
-] as const
+]
 
-const outputs = await Promise.all(
-  targets.map((target) =>
-    Bun.build({
-      entrypoints: ['./.output/server/index.mjs'],
-      compile: {
-        outfile: `server-${target}`,
-        target,
-      },
-      outdir: './out',
-    }),
-  ),
+const buildTasks = targets.map((bunTarget) =>
+  Bun.build({
+    entrypoints: ['./.output/server/index.mjs'],
+    compile: {
+      outfile: `server-${targetMap[bunTarget]}`,
+      target: bunTarget,
+    },
+    outdir: './out',
+  }),
 )
 
+const outputs = await Promise.all(buildTasks)
+
 for (const [index, output] of outputs.entries()) {
-  console.log(`\n${targets[index]}:`)
-  console.log(output.outputs)
+  const task = buildTasks[index]
+  if (!task) continue
+  console.log(output.outputs.map((item) => item.path))
 }