Completed Expo SDK 54→57 upgrade with full CI pass — 7.3M tokens

Completed Expo SDK 54→57 upgrade with full CI pass

andrewchemis.dev

MARATHON

10.1x your typical session

7.3M tokens vs typical 725.1K

7.3Mtokens

25prompts

16:22:36time

1,193lines

Claude Codeclaude-opus-5[1m]Markdown$141.37

mostly delegating

Upgraded the mobile app to Expo SDK 57 with all CI checks passing.

Tokens / prompt292.6k

Cost / line$0.118

Cache hit96%

Burn rate$8.63/hr

Derived from this session's token and cost data. Not shown on the feed.

Building 16%Verifying 0%Thinking 1%Delegating 83%