Add configuration files, database migrations, and authentication implementation scaffolding

web/dashboard/src/workers/crypto.worker.ts

@@ -0,0 +1,29 @@
+// crypto.worker.ts
+import { importKey, decryptLog } from '../lib/crypto';
+
+let cryptoKey: CryptoKey | null = null;
+
+self.onmessage = async (event) => {
+  const { type, payload } = event.data;
+
+  switch (type) {
+    case 'SET_KEY':
+      // payload is the raw Uint8Array key
+      cryptoKey = await importKey(payload);
+      self.postMessage({ type: 'KEY_READY' });
+      break;
+
+    case 'DECRYPT':
+      if (!cryptoKey) {
+        self.postMessage({ type: 'ERROR', message: 'No key set' });
+        return;
+      }
+      try {
+        const decrypted = await decryptLog(payload, cryptoKey);
+        self.postMessage({ type: 'DECRYPTED', payload: decrypted });
+      } catch (err) {
+        self.postMessage({ type: 'ERROR', message: 'Decryption failed' });
+      }
+      break;
+  }
+};