[microsoft/vscode] copilot reset

### ROOT CAUSE The issue arises from improper handling of errors during the processing of large cells, leading to a forced reset of the Copilot session to maintain service stability. ### CODE FIX To address the issue, we'll enhance error handling and implement a retry mechanism for processing large cells. Here's a suggested fix:

def process_large_cell(cell_content):
    max_retries = 3
    retry_delay = 5  # seconds

    for attempt in range(max_retries):
        try:
            # Process the cell content
            result = process(cell_content)
            return result
        except Exception as e:
            if attempt < max_retries - 1:
                print(f"Error processing cell. Retrying in {retry_delay} seconds... Error: {str(e)}")
                time.sleep(retry_delay)
            else:
                print(f"Max retries reached. Unable to process cell after {max_retries} attempts.")
                raise
    return None

# Example usage within the Copilot processing loop
def copilot_processing():
    cells = get_cells()
    for cell in cells:
        if is_large_cell(cell):
            process_large_cell(cell.content)
        else:
            process_cell(cell.content)


**Explanation:**
- **Error Handling:** The `process_large_cell` function uses a try-except block to catch exceptions during processing.
- **Retry Mechanism:** It retries processing up to 3 times with a 5-second delay between attempts, allowing the service to recover.
- **Logging:** Errors are logged, providing visibility into issues without overwhelming the service.

This fix should prevent unnecessary resets by handling errors more gracefully and allowing the service to recover before retrying.