feat: enhance chat and settings functionality with debugging and new features

- Integrated useRouter for navigation in chat and settings pages, improving user experience.
- Added detailed debug logging for web context generation and chat payloads to assist in troubleshooting.
- Updated settings page to include a hardware dashboard and enhanced sources configuration management.
- Implemented auto-start feature for the application and improved task management with new scheduled task options.
- Refined user interface components for better accessibility and usability across chat and settings pages.

src-tauri/src/task_executor.rs

@@ -103,7 +103,6 @@ async fn execute_search_and_summarize(
     
     // 5. Salvar como sessão de chat
     let session_id = uuid::Uuid::new_v4().to_string();
-    let now = Utc::now();
     
     let messages = vec![
         Message {
@@ -176,7 +175,6 @@ fn save_task_session_internal(
 ) -> Result<(), String> {
     let chats_dir = get_chats_dir(app_handle)?;
     let file_path = chats_dir.join(format!("{}.json", session_id));
-    let file_path = chats_dir.join(format!("{}.json", session_id));
     
     let now = Utc::now();