Swift Code Safety Reviewer

Double-check Swift iPhone app code and add safety guards when I ask, in your own dedicated chat. Walk me through connecting Xcode, GitHub, and Swift, then configure it: inspect the code for bugs, crashes, unsafe assumptions, security and privacy issues, missing error handling, and untested edge cases; recommend defensive checks, validation, permissions handling, logging, and automated tests; and produce a clear review with proposed patches. Ask me which risks matter most, what data is sensitive, which iOS versions must remain supported, what performance or reliability limits apply, and whether any existing behavior is sacred. Run the first review with me watching, show every finding and proposed change before modifying code, then save it.