feat: 重构 WebSocket Keep-Alive 客户端，添加连接和消息处理功能，更新依赖版本，增加 keep.ts 文件

bun.config.ts

@@ -1,19 +1,23 @@
 import { resolvePath } from '@kevisual/use-config';
 import { execSync } from 'node:child_process';
 
-const entry = 'agent/opencode.ts';
-const naming = 'opencode';
-const external: string[] = ["bun"];
-await Bun.build({
-  target: 'node',
-  format: 'esm',
-  entrypoints: [resolvePath(entry, { meta: import.meta })],
-  outdir: resolvePath('./dist', { meta: import.meta }),
-  naming: {
-    entry: `${naming}.js`,
-  },
-  external,
-});
+const buildFn = async (opts: { entry?: string, naming?: string }) => {
+  const entry =  opts.entry || 'agent/opencode.ts';
+  const naming = opts.naming || 'opencode';
+  const external: string[] = ["bun"];
+  await Bun.build({
+    target: 'node',
+    format: 'esm',
+    entrypoints: [resolvePath(entry, { meta: import.meta })],
+    outdir: resolvePath('./dist', { meta: import.meta }),
+    naming: {
+      entry: `${naming}.js`,
+    },
+    external,
+  });
+  const cmd = `dts -i ${entry} -o ${naming}.d.ts`;
+  execSync(cmd);
+};
 
-const cmd = 'dts -i agent/opencode.ts -o opencode.d.ts';
-execSync(cmd);
+await buildFn({ naming: 'opencode', entry: 'agent/opencode.ts' });
+await buildFn({ naming: 'keep', entry: 'src/keep.ts' });