{"id":"long-press-j0-guard","text":"The `j > 0` guard in `isLongPressedName` prevents `typed[j-1]` from wrapping to the last character when `j == 0`, ensuring the first character must match `name[0]` or fail","truth_value":"IN","source":"entries/2026/06/06/long-pressed-name-solution.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"long-press-j0-guard","truth_value":"IN","reason":"premise"}]}}