Initial import of LogDarioSeq baseline

Establishes version control for the personal Logseq DB fork before
starting the server-client architecture migration and domain features
described in docs/agent-guide and the approved implementation plan.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

resources/js/worker.js

@@ -0,0 +1,56 @@
+importScripts(
+  // Batched optimization
+  "./lightning-fs.min.js",
+  // Fixed a bug
+  "./magic_portal.js"
+);
+
+const detect = () => {
+  if (typeof window !== 'undefined' && !self.skipWaiting) {
+    return 'window'
+  } else if (typeof self !== 'undefined' && !self.skipWaiting) {
+    return 'Worker'
+  } else if (typeof self !== 'undefined' && self.skipWaiting) {
+    return 'ServiceWorker'
+  }
+};
+
+const fsName = 'logseq';
+const createFS = () => new LightningFS(fsName);
+let fs = createFS();
+let pfs = fs.promises;
+
+if (typeof self !== 'undefined') {
+  self.fs = fs;
+  self.pfs = pfs;
+}
+
+if (detect() === 'Worker') {
+  const portal = new MagicPortal(self);
+  portal.set('fs', fs);
+  portal.set('pfs', pfs);
+
+  portal.set('workerThread', {
+    rimraf: async function (path) {
+      // Knowing path is a directory,
+      // first, assume everything inside path is a file.
+      let files = await pfs.readdir(path);
+      for (let file of files) {
+        let child = path + '/' + file
+        try {
+          await pfs.unlink(child)
+        } catch (err) {
+          if (err.code !== 'EISDIR') throw err
+        }
+      }
+      // Assume what's left are directories and recurse.
+      let dirs = await pfs.readdir(path)
+      for (let dir of dirs) {
+        let child = path + '/' + dir
+        await rimraf(child, pfs)
+      }
+      // Finally, delete the empty directory
+      await pfs.rmdir(path)
+    }
+  });
+}