Shielding during transits of Van Allen radiation zones? Same issue for solar flares—how to cope.
Need more sensors near sun looking outbound. Might see some rocks with more notice than 24 hours. Set up around Mercury orbit. In theory, we already know how to build solar pumped lasers gravitationally tethered to the planet as statites.
transit through the Van Allen Belts is to rapid to cause any damage - see Apollo Program.