run-codegen

From README

Run codegen (buildrunner) A deterministic, low-freedom runbook: regenerate all annotation-driven code in one pass, then analyze. Run the pinned command exactly as written — do not modify it, add flags, or hand-edit generated files. Applies whenever a source file carries a codegen annotation (@freezed, @JsonSerializable, @riverpod, @DriftDatabase, a drift table) and its .g.dart / .freezed.dart / .drift.dart part is missing or stale. Non-negotiable rules Run codegen BEFORE flutter analyze. A fresh clone, branch switch, or freshly edited annotated file has no generated part on disk. Analyzing that tree produces misleading "missing part file" and undefined-class errors that describe the missing output, not a real code defect — regenerate, then analyze. Use the pinned command verbatim, always with --delete-conflicting-outputs. Without it, buildrunner refuses to overwrite an output it did not write this run and fails with a wall of "conflicting outputs" text.