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/ui/src/lib/desktop.ts

@@ -43,6 +43,7 @@ export type DesktopSettings = {
   autoDeleteAfterDays?: number;
   defaultModel?: string; // format: "provider/model"
   defaultAgent?: string;
+  queueModeEnabled?: boolean;
 };
 
 export type DesktopSettingsApi = {