Head-2-Head (2-player mode) — Attorney Adventure Steam update #107005

### Added — Head-2-Head (2-player mode) - Full 5-stage arc (Arraignment → Discovery → Motions → Trial → Sentencing → Verdict). - Case picker with three hand-crafted cases (State v. Halden, People v. Voss, State v. Novak). - AI opponent across three difficulty tiers (Novice / Attorney / Judge). - Cross-stage payoffs: motion wins shorten Trial examination sequences; Brady catches buff Sentencing mash weight. - Trial objection interference — SUSTAINED = +2 & advance opponent, OVERRULED = -1. - Verdict copy pulls the real case data, sentence months, and departure. - Optional custom seed for repeatable matches. - Menu button promoted above Law School. ### Added — Practice-mode cases - State v. Mercer (DV no-contact violation) - State v. Okonkwo (contested DUI) - State v. Reyes (Robbery 1, grand jury) - State v. Boone (PWID fentanyl, 4th Amendment) - State v. Diallo (Padilla immigration trap) ...