[v28] — President Decision, sim-speed dropdown, tutorial overhaul — The Chairman Steam update #1364817

FEATURES:- NEW: President Decision event at Winter Window (Matchday 17). Once per season, when the winter transfer window opens, the chairman calls the manager into his office. The player must choose one of five actions: 1. Team Talk — +10 morale for every squad member. 2. Bonus Payment — +20 morale for every squad member; costs 20% of the annual wage bill, deducted immediately from club balance. 3. Fan Event — +15 fan_satisfaction. 4. President's Favourite — halves stamina drain for one chosen player for the rest of the season (stamina_drain_halved flag). 5. Youth Prospect — a guaranteed prodigy (intelligence 80-92, age 16-18) is added to the academy. The overlay is fully modal (blocks all other input), persists across save/load, and includes chairman dialogue for storytelling. - NEW: Simulation-speed free dropdown replaces fixed 5-button row. The five preset buttons (1min / 3min / 5min...