fix(core): remove all unwraps, fix unpolled futures, and fix search index memory leak on restart

server/src/state.rs

@@ -104,7 +104,9 @@ impl MemoryState {
                         idx.add_adr_sync(a);
                     }
                 });
-            }).await.unwrap();
+            }).await.unwrap_or_else(|e| {
+                tracing::error!("Failed to join tantivy index rebuild thread: {}", e);
+            });
 
             let _ = new_idx.commit().await;
             if let Ok(mut w) = self.search_index.write() {