feat: publish initial manifest on startup and improve UI focus

- Publish the existing session manifest via the broker on startup
- Automatically focus the new session input field when it is shown
- Prevent event propagation when clicking to create a new session

src/cli/journal.ts

@@ -150,6 +150,20 @@ export async function createJournalServer(
     () => {},
   );
 
+  // Publish the initial manifest on startup so clients see existing sessions
+  const initialManifest = loadManifest(root);
+  broker.publish(
+    {
+      topic: $SESSIONS,
+      payload: Buffer.from(JSON.stringify(initialManifest)),
+      qos: 1,
+      retain: true,
+      cmd: "publish" as const,
+      dup: false,
+    },
+    () => {},
+  );
+
   console.log("[journal] persistence listener active");
   console.log("[journal] broker available at ws://<host>:<port>");