fix: support npm 12 upgrade metadata

Author: javazys

package.json

@@ -1,6 +1,6 @@
 {
     "name": "opencode-supertask",
-    "version": "0.1.27",
+    "version": "0.1.28",
     "description": "AI Agent 任务调度系统 — OpenCode 插件 + CLI + Gateway 常驻进程",
     "type": "module",
     "main": "dist/plugin/supertask.js",

src/daemon/update.ts

@@ -91,16 +91,22 @@ function latestVersion(): string {
         throw new Error(`[supertask] 查询 npm latest 失败: ${detail || `退出码 ${result.status}`}`);
     }
 
-    let version: unknown;
+    let response: unknown;
     try {
-        version = JSON.parse(output);
+        response = JSON.parse(output);
     } catch {
         throw new Error(`[supertask] npm latest 返回无法解析: ${output || '(empty)'}`);
     }
-    if (typeof version !== 'string' || !isSemanticVersion(version)) {
-        throw new Error(`[supertask] npm latest 版本无效: ${String(version)}`);
+    const versions = typeof response === 'string'
+        ? [response]
+        : Array.isArray(response) && response.every((value) => typeof value === 'string')
+            ? response
+            : [];
+    const uniqueVersions = [...new Set(versions)];
+    if (uniqueVersions.length !== 1 || !isSemanticVersion(uniqueVersions[0])) {
+        throw new Error(`[supertask] npm latest 版本无效: ${String(response)}`);
     }
-    return version;
+    return uniqueVersions[0];
 }
 
 function resolveInstalledVersion(expectedVersion: string): InstalledPlugin {

tests/update.test.ts

@@ -76,7 +76,8 @@ describe('OpenCode 插件升级', () => {
         writeFileSync(fakeOpencode, `#!/usr/bin/env bun
 await Bun.write(${JSON.stringify(argsLog)}, JSON.stringify(Bun.argv.slice(2)));
 `);
-        writeFileSync(fakeNpm, '#!/usr/bin/env bun\nconsole.log(JSON.stringify("0.1.23"));\n');
+        // npm 12 在部分 registry 响应中会把单个 dist-tag 包成数组。
+        writeFileSync(fakeNpm, '#!/usr/bin/env bun\nconsole.log(JSON.stringify(["0.1.23"]));\n');
         chmodSync(fakeOpencode, 0o755);
         chmodSync(fakeNpm, 0o755);
         process.env.SUPERTASK_OPENCODE_BIN = fakeOpencode;