feat: add message queue functionality with auto-send and queue mode toggle

- Improved development server hot module replacement (HMR) by reusing OpenCode processes.
- Introduced queued message mode with batching and idle auto-send, including support for attachments.
- Added a toggle for queue mode in OpenChamber settings with persistence across sessions.
- Updated various components to handle queued messages, including ChatInput and QueuedMessageChips.
- Modified settings payload and desktop settings to include queue mode configuration.
- Enhanced message sending logic to support additional parts for queued messages.

packages/desktop/src-tauri/src/commands/settings.rs

@@ -152,6 +152,9 @@ fn sanitize_settings_update(payload: &Value) -> Value {
         if let Some(Value::Bool(b)) = obj.get("autoDeleteEnabled") {
             result_obj.insert("autoDeleteEnabled".to_string(), json!(b));
         }
+        if let Some(Value::Bool(b)) = obj.get("queueModeEnabled") {
+            result_obj.insert("queueModeEnabled".to_string(), json!(b));
+        }
 
         // Number fields
         if let Some(Value::Number(n)) = obj.get("autoDeleteAfterDays") {