diff --git a/crates/pinakes-server/src/routes/media.rs b/crates/pinakes-server/src/routes/media.rs
index 9c652ac..5570310 100644
--- a/crates/pinakes-server/src/routes/media.rs
+++ b/crates/pinakes-server/src/routes/media.rs
@@ -862,7 +862,9 @@ pub async fn rename_media(
     changed_by_device: None,
     timestamp:         chrono::Utc::now(),
   };
-  let _ = state.storage.record_sync_change(&change).await;
+  if let Err(e) = state.storage.record_sync_change(&change).await {
+    tracing::warn!(error = %e, "failed to record sync change");
+  }
 
   // Record audit
   pinakes_core::audit::record_action(
@@ -902,7 +904,9 @@ pub async fn move_media_endpoint(
     changed_by_device: None,
     timestamp:         chrono::Utc::now(),
   };
-  let _ = state.storage.record_sync_change(&change).await;
+  if let Err(e) = state.storage.record_sync_change(&change).await {
+    tracing::warn!(error = %e, "failed to record sync change");
+  }
 
   // Record audit
   pinakes_core::audit::record_action(
@@ -958,7 +962,9 @@ pub async fn batch_move_media(
             changed_by_device: None,
             timestamp:         chrono::Utc::now(),
           };
-          let _ = state.storage.record_sync_change(&change).await;
+          if let Err(e) = state.storage.record_sync_change(&change).await {
+            tracing::warn!(error = %e, "failed to record sync change");
+          }
         }
       }
 
@@ -1001,7 +1007,9 @@ pub async fn soft_delete_media(
     changed_by_device: None,
     timestamp:         chrono::Utc::now(),
   };
-  let _ = state.storage.record_sync_change(&change).await;
+  if let Err(e) = state.storage.record_sync_change(&change).await {
+    tracing::warn!(error = %e, "failed to record sync change");
+  }
 
   // Record audit
   pinakes_core::audit::record_action(
@@ -1040,7 +1048,9 @@ pub async fn restore_media(
     changed_by_device: None,
     timestamp:         chrono::Utc::now(),
   };
-  let _ = state.storage.record_sync_change(&change).await;
+  if let Err(e) = state.storage.record_sync_change(&change).await {
+    tracing::warn!(error = %e, "failed to record sync change");
+  }
 
   // Record audit
   pinakes_core::audit::record_action(
@@ -1139,7 +1149,9 @@ pub async fn permanent_delete_media(
       changed_by_device: None,
       timestamp:         chrono::Utc::now(),
     };
-    let _ = state.storage.record_sync_change(&change).await;
+    if let Err(e) = state.storage.record_sync_change(&change).await {
+      tracing::warn!(error = %e, "failed to record sync change");
+    }
 
     // Clean up thumbnail
     if let Some(ref thumb_path) = item.thumbnail_path
diff --git a/crates/pinakes-server/src/routes/shares.rs b/crates/pinakes-server/src/routes/shares.rs
index ded0160..c6236c6 100644
--- a/crates/pinakes-server/src/routes/shares.rs
+++ b/crates/pinakes-server/src/routes/shares.rs
@@ -171,8 +171,10 @@ pub async fn create_share(
       created_at:        Utc::now(),
     };
 
-    // Ignore notification errors
-    let _ = state.storage.create_share_notification(&notification).await;
+    if let Err(e) = state.storage.create_share_notification(&notification).await
+    {
+      tracing::warn!(error = %e, "failed to send share notification");
+    }
   }
 
   Ok(Json(created.into()))
@@ -188,7 +190,7 @@ pub async fn list_outgoing(
   let user_id = resolve_user_id(&state.storage, &username).await?;
   let pagination = Pagination {
     offset: params.offset.unwrap_or(0),
-    limit:  params.limit.unwrap_or(50),
+    limit:  params.limit.unwrap_or(50).min(1000),
     sort:   params.sort,
   };
 
@@ -211,7 +213,7 @@ pub async fn list_incoming(
   let user_id = resolve_user_id(&state.storage, &username).await?;
   let pagination = Pagination {
     offset: params.offset.unwrap_or(0),
-    limit:  params.limit.unwrap_or(50),
+    limit:  params.limit.unwrap_or(50).min(1000),
     sort:   params.sort,
   };
 
@@ -316,7 +318,10 @@ pub async fn update_share(
       is_read:           false,
       created_at:        Utc::now(),
     };
-    let _ = state.storage.create_share_notification(&notification).await;
+    if let Err(e) = state.storage.create_share_notification(&notification).await
+    {
+      tracing::warn!(error = %e, "failed to send share update notification");
+    }
   }
 
   Ok(Json(updated.into()))
@@ -351,7 +356,10 @@ pub async fn delete_share(
       is_read:           false,
       created_at:        Utc::now(),
     };
-    let _ = state.storage.create_share_notification(&notification).await;
+    if let Err(e) = state.storage.create_share_notification(&notification).await
+    {
+      tracing::warn!(error = %e, "failed to send share revocation notification");
+    }
   }
 
   state.storage.delete_share(ShareId(id)).await.map_err(|e| {
@@ -442,7 +450,9 @@ pub async fn access_shared(
         details:   None,
         timestamp: Utc::now(),
       };
-      let _ = state.storage.record_share_activity(&activity).await;
+      if let Err(e) = state.storage.record_share_activity(&activity).await {
+        tracing::warn!(error = %e, "failed to record share activity");
+      }
 
       return Err(ApiError::unauthorized("Invalid password"));
     }
@@ -511,7 +521,7 @@ pub async fn get_activity(
 
   let pagination = Pagination {
     offset: params.offset.unwrap_or(0),
-    limit:  params.limit.unwrap_or(50),
+    limit:  params.limit.unwrap_or(50).min(1000),
     sort:   params.sort,
   };
 
diff --git a/crates/pinakes-server/src/routes/sync.rs b/crates/pinakes-server/src/routes/sync.rs
index e824219..802563a 100644
--- a/crates/pinakes-server/src/routes/sync.rs
+++ b/crates/pinakes-server/src/routes/sync.rs
@@ -266,7 +266,7 @@ pub async fn get_changes(
   drop(config);
 
   let cursor = params.cursor.unwrap_or(0);
-  let limit = params.limit.unwrap_or(DEFAULT_CHANGES_LIMIT);
+  let limit = params.limit.unwrap_or(DEFAULT_CHANGES_LIMIT).min(1000);
 
   let changes = state
     .storage