feat: Implement initial game structure with core logic, various managers, player scene, and project configuration.

_daily_basis/task_2025-12-12.md

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+# Game Mechanics Refactor Task
+
+## Summary
+Refactor game mechanics to replace the lap-based racing system with a cycle-based goals system, add power-up points, live leaderboard, and enhanced special tiles handling.
+
+## Tasks
+
+### Phase 1: Core System Changes
+- [x] Create `GoalsCycleManager` (new manager for 60-second goal cycles with timer)
+- [ ] Modify `player_race_manager.gd` to remove lap/finish logic
+- [ ] Remove `can_finish`, `finish_race`, `start_new_lap` logic from player
+- [x] Add score tracking system to player
+
+### Phase 2: Power-up System
+- [x] Create `PowerUpManager` (new manager for power-up points)
+- [x] Modify `special_tiles_manager.gd` to track holo tile pickups (4 = 1 bar)
+- [x] Change holo tiles to give power-up points instead of auto-triggering effects
+- [/] Add hotkey for using special effect (project.godot input action)
+
+### Phase 3: Goal Completion Logic
+- [x] Implement goal completion detection → award 1 power-up point
+- [x] Implement score calculation (early completion = more points)
+- [x] Implement 9-tile randomization around player on goal complete
+- [x] Implement timer end logic: clear playerboard, convert matches to score
+
+### Phase 4: UI Components
+- [x] Add timer display to each player's goals panel in AllPlayerGoals
+- [x] Create power-up bar UI (battery-style, 4 bars max)
+- [x] Create live leaderboard UI on right side of main.tscn
+- [x] Wire up leaderboard to update dynamically based on scores
+
+### Phase 5: Input Mapping & Cleanup
+- [x] Add `use_powerup` input action to project.godot
+- [x] Remove/deprecate lap-related code paths
+- [ ] Test multiplayer synchronization of new systems