import traceback
from datetime import datetime

class DiagnosticEngine:
    def __init__(self):
        self.error_logs = []

    def capture_exception(self, e, context=""):
        tb = traceback.format_exc()
        error_entry = {
            "timestamp": datetime.utcnow().isoformat(),
            "error": str(e),
            "traceback": tb,
            "context": context
        }
        self.error_logs.append(error_entry)
        return error_entry

    def get_logs(self):
        return self.error_logs

    def last_error(self):
        return self.error_logs[-1] if self.error_logs else None