PocketPlan is entered in Apps for Your Life. The repository baseline is commit fe7d293. Work after that boundary is the Build Week extension developed with Codex:
- A Payday Runway that converts the flexible budget into a safe daily spending pace until the next payday
- A Cash-flow Lab for temporary income-drop, surprise-cost, and bill-increase scenarios
- Conservative bill planning that compares the recurring monthly reserve with the full cash actually due this month
- Correct handling for one-off, quarterly, and annual bills in expensive months
- A compact four-tab interface with history available from Overview, merged Plan status, and disclosure-based calculations
- A searchable currency picker led by Nigerian naira, with country flags, currency symbols, and locale-aware formatting
- One-tap fictional sample data for a frictionless judge walkthrough
- Migration-safe plan updates and expanded calculation tests
Codex helped translate the product goal into pure financial calculation models, connect those models to SwiftUI, preserve backward-compatible decoding, create scenario and migration tests, and verify the app in an iPhone simulator. The product decisions remain intentional: calculations are deterministic, scenarios never overwrite the saved plan, and no runtime AI or financial data leaves the device.
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