fix(tunnel): use the DSH home for plugin auto-restore state

lib/index.js

@@ -287,7 +287,7 @@ export function apply(ctx, config = {}, internals = {}) {
     // 端口（issue #70）：插件模式优先级 settings.proxyPort > cordis patch config.port > 3081。
     // 3081 被占时 createPocketService 内部 EADDRINUSE 抛错，按 DSH 插件启动失败处理（用户改端口重启即可）。
     port: internals.port ?? config.port ?? (proxyPort() || 3081),
-    home: internals.home,
+    home: internals.home ?? process.env.DSH_HOME ?? join(homedir(), '.dsh'),
     internals,
     getLanIpOverride: () => lanIpOverride(),
     getLanEnabled: () => lanEnabled(),

test/plugin-home.test.js

@@ -0,0 +1,109 @@
+import { test } from 'node:test';
+import assert from 'node:assert/strict';
+import { mkdtemp, readFile, rm } from 'node:fs/promises';
+import { tmpdir } from 'node:os';
+import { join } from 'node:path';
+import { setTimeout } from 'node:timers/promises';
+import { apply } from '../lib/index.js';
+import { POCKET_ENDPOINTS } from '../client/api.js';
+
+async function waitFor(check, message) {
+  for (let i = 0; i < 100; i++) {
+    if (await check()) return;
+    await setTimeout(10);
+  }
+  assert.fail(message);
+}
+
+async function fixture(t) {
+  const dir = await mkdtemp(join(tmpdir(), 'dsh-pocket-entry-'));
+  const previous = process.env.DSH_HOME;
+  process.env.DSH_HOME = dir;
+  const disposers = [];
+  t.after(async () => {
+    for (const dispose of disposers.reverse()) await dispose();
+    if (previous === undefined) delete process.env.DSH_HOME;
+    else process.env.DSH_HOME = previous;
+    await rm(dir, { recursive: true, force: true });
+  });
+  let starts = 0;
+  let restores = 0;
+  const originalInfo = console.info;
+  t.mock.method(console, 'info', (message, ...args) => {
+    if (message.includes('public tunnel auto-restored')) restores += 1;
+    originalInfo(message, ...args);
+  });
+  const marker = (home = dir) => join(home, 'dsh-pocket', 'tunnel-auto.json');
+  const hasMarker = async (home) => /"at"\s*:/.test(await readFile(marker(home), 'utf8').catch(() => ''));
+
+  function mount({ desktop = false, home } = {}) {
+    let handler;
+    let proxyReady = false;
+    let disposed = false;
+    let cleanup;
+    const ctx = {
+      webServer: { port: 3080 },
+      connection: { rpc: { handle: (_channel, fn) => { handler = fn; return () => {}; } } },
+      get: (name) => desktop && name === 'desktopProfiles' ? {} : undefined,
+      logger: () => ({
+        info(message) { if (message.includes('proxy ready')) proxyReady = true; },
+        warn() {}, error() {},
+      }),
+      effect: (callback) => { cleanup = callback(); },
+    };
+    // Keep the real entry, service, RPC and filesystem. Only the network/process
+    // boundaries are replaced; no service or persistence home is injected by default.
+    apply(ctx, {}, {
+      ...(home === undefined ? {} : { home }),
+      createProxy: async () => ({ port: 3081, close: async () => {} }),
+      startTunnel: async () => {
+        starts += 1;
+        return { url: 'https://example.trycloudflare.com', kill() {} };
+      },
+      lanIPv4: () => '192.168.1.2',
+      lanCandidates: async () => ['192.168.1.2'],
+      encodeQr: async () => 'data:qr',
+    });
+    const dispose = async () => { if (!disposed) { disposed = true; await cleanup(); } };
+    disposers.push(dispose);
+    return {
+      ready: () => waitFor(() => proxyReady, 'entry did not start its proxy'),
+      call: (endpoint, payload = {}) => handler(endpoint, payload),
+      dispose,
+    };
+  }
+  return { dir, mount, hasMarker, starts: () => starts, restores: () => restores };
+}
+
+for (const desktop of [false, true]) {
+  test(`plugin entry persists and restores tunnels using DSH_HOME (desktop=${desktop})`, async (t) => {
+    const f = await fixture(t);
+    const first = f.mount({ desktop });
+    await first.ready();
+    const started = await first.call(POCKET_ENDPOINTS.tunnelStart, { disclaimer: true });
+    assert.equal(started.ok, true);
+    assert.equal(f.starts(), 1);
+    await waitFor(() => f.hasMarker(), 'production entry did not persist the tunnel marker in DSH_HOME');
+    await first.dispose();
+    assert.equal(await f.hasMarker(), true, 'unloading keeps the restoration marker');
+
+    const restarted = f.mount({ desktop });
+    await restarted.ready();
+    await waitFor(() => f.restores() === 1, 'new entry did not finish restoring the previous tunnel');
+    assert.equal(f.starts(), 2);
+    const stopped = await restarted.call(POCKET_ENDPOINTS.tunnelStop);
+    assert.equal(stopped.ok, true);
+    await waitFor(async () => !await f.hasMarker(), 'manual stop did not clear the marker');
+    await restarted.dispose();
+  });
+}
+
+test('plugin entry preserves an explicit persistence home override', async (t) => {
+  const f = await fixture(t);
+  const override = join(f.dir, 'override');
+  const entry = f.mount({ home: override });
+  await entry.ready();
+  assert.equal((await entry.call(POCKET_ENDPOINTS.tunnelStart, { disclaimer: true })).ok, true);
+  await waitFor(() => f.hasMarker(override), 'explicit persistence home was not used');
+  assert.equal(await f.hasMarker(), false, 'DSH_HOME must not replace an explicit home');
+});