Major changes: logic add to panel, local variables, panel histor, users management...

web/src/lib/ws.ts

@@ -1,4 +1,5 @@
 import { writable, type Readable } from './store';
+import { writeLocalState } from './localstate';
 import type { SignalRef, SignalValue, SignalMeta, HistoryPoint } from './types';
 
 // ── Types ────────────────────────────────────────────────────────────────────
@@ -259,6 +260,11 @@ class WsClient {
   }
 
   write(ref: SignalRef, value: any): void {
+    // Panel-local variables never go to the server — update them in place.
+    if (ref.ds === 'local') {
+      writeLocalState(ref.name, value);
+      return;
+    }
     console.log('[ws] write', ref.ds, ref.name, value, 'ws state:', this.ws?.readyState);
     this._send({ type: 'write', ds: ref.ds, name: ref.name, value });
   }