This week I spent a few hours debugging a fastlane CI pipeline that was failing on every single run with Apple provisioning errors. I paired with Claude the entire time. Here's what that actually looks like — not the polished "AI helped me code!" version, but the messy, real one.

The Setup

iOS build pipeline. Fastlane + match for code signing. The CI runner kept blowing up at exportArchive with:

error: exportArchive: requires a provisioning profile with the App Groups feature

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Except — the profile absolutely contained the App Groups entitlement. I inspected the decrypted .mobileprovision manually. It was there. Xcodebuild was lying.

Where Claude Actually Helped

I dumped the failing lane, the temp plist gym was generating, and the error into the conversation.…