源码快照 @ 2026-09-02 (source-only, 剔除非源码素材)

apps/desktop/electron/migration.mjs

@@ -0,0 +1,49 @@
+import { existsSync } from "node:fs";
+import { readFile, rename } from "node:fs/promises";
+import path from "node:path";
+
+const MIGRATION_SNAPSHOT_FILENAME = "migration-snapshot.v1.json";
+const MIGRATION_SNAPSHOT_DONE_FILENAME = "migration-snapshot.v1.done.json";
+
+function migrationSnapshotPath(app, done = false) {
+  return path.join(
+    app.getPath("userData"),
+    done ? MIGRATION_SNAPSHOT_DONE_FILENAME : MIGRATION_SNAPSHOT_FILENAME,
+  );
+}
+
+// Migration snapshot: one-way handoff from the last Tauri release into the
+// first Electron launch. The Tauri shell writes migration-snapshot.v1.json
+// into app_data_dir before it kicks off the Electron installer. Electron
+// renders the workspace list / session-by-workspace preferences from it on
+// first boot and then marks it .done so subsequent boots don't re-import.
+export function registerMigrationIpc({ app, ipcMain }) {
+  ipcMain.handle("openwork:migration:read", async () => {
+    const snapshotPath = migrationSnapshotPath(app);
+    if (!existsSync(snapshotPath)) return null;
+    try {
+      const raw = await readFile(snapshotPath, "utf8");
+      const parsed = JSON.parse(raw);
+      if (parsed && typeof parsed === "object" && parsed.version === 1) {
+        return parsed;
+      }
+      return null;
+    } catch (error) {
+      console.warn("[migration] failed to read snapshot", error);
+      return null;
+    }
+  });
+
+  ipcMain.handle("openwork:migration:ack", async () => {
+    const snapshotPath = migrationSnapshotPath(app);
+    const donePath = migrationSnapshotPath(app, true);
+    if (!existsSync(snapshotPath)) return { ok: true, moved: false };
+    try {
+      await rename(snapshotPath, donePath);
+      return { ok: true, moved: true };
+    } catch (error) {
+      console.warn("[migration] failed to rename snapshot", error);
+      return { ok: false, moved: false };
+    }
+  });
+}