feat: Enhance minigame effects and UI interactions

- Implemented LeaveMinigameQueueEffect to handle player removal from queues and runtime.
- Added OpenMinigameQueueUIEffect to manage the opening of the minigame queue UI.
- Introduced StartPlayerTimerEffect and StopPlayerTimerEffect for managing player timers and scoring.
- Enhanced PlaceBlocksEffect with options for filling volumes and hollow placements.
- Updated SpawnItemEffect to fix codec handling for item IDs.
- Added MountPlayerEffect and DismountPlayerEffect for player interactions with NPCs.
- Improved StartQueuedMinigameEffect to check player counts before starting games.
- Added localization entries for new effects and UI elements.
- Updated manifest to include HyUI as a dependency.

docs/FullTutorialExamples/KingOfHill/02-minigame-definition.md

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+# King of the Hill — Minigame Definition
+
+Create the following file in your server's assets:
+
+```
+src/main/resources/Server/Minigames/King_Of_The_Hill.json
+```
+
+```json
+{
+  "Id": "King_Of_The_Hill",
+  "Name": "King of the Hill",
+  "Enabled": true,
+  "MinPlayers": 2,
+  "MaxPlayers": 16,
+  "TeamMode": "SOLO",
+  "WinCondition": "HIGHEST_SCORE",
+  "RoundLengthSeconds": 120,
+  "TotalRounds": 3,
+  "CountdownSeconds": 10,
+  "AllowPvp": true,
+  "RequiredGameMode": "Adventure",
+  "ShowHud": true,
+  "ShowScore": true,
+  "ShowTime": true,
+  "ShowRound": true
+}
+```
+
+## Field Breakdown
+
+| Field | Value | Why |
+|---|---|---|
+| `Id` | `King_Of_The_Hill` | Must match the filename exactly and all `MinigameId` fields on every trigger volume in the world. |
+| `MinPlayers` | `2` | Queue will not start a countdown until at least 2 players have joined. Set to `1` for solo testing. |
+| `TeamMode` | `SOLO` | Each player competes individually with their own score. |
+| `WinCondition` | `HIGHEST_SCORE` | The player with the most points when the game ends wins. |
+| `RoundLengthSeconds` | `120` | Each hill is active for 2 minutes before the next round begins. |
+| `TotalRounds` | `3` | Three rounds run in sequence. The runtime advances rounds automatically when each timer expires. |
+| `CountdownSeconds` | `10` | After MinPlayers has joined the queue, a 10-second countdown begins before the game starts. |
+| `AllowPvp` | `true` | Players can knock each other off the hill. Set to `false` for a passive score-race version. |
+| `RequiredGameMode` | `Adventure` | Applied to each player when they activate. Prevents block breaking and placing. |
+| `ShowHud` | `true` | Enables the in-game HUD. Without this, no HUD appears even if the other Show* fields are set. |
+| `ShowScore` | `true` | Shows the player's current score on the HUD. |
+| `ShowTime` | `true` | Shows time remaining in the current round on the HUD. Only renders when `RoundLengthSeconds > 0`. |
+| `ShowRound` | `true` | Shows current round out of total rounds (e.g. `2 / 3`). Only renders when `TotalRounds > 1`. |
+
+## How Rounds Work
+
+You do not need to manually advance rounds. The runtime handles this automatically:
+
+1. When the game starts, the `$round` timer begins counting down `RoundLengthSeconds` for round 1.
+2. When the timer expires, round 2 starts and the timer resets.
+3. When round 3's timer expires, `on_game_rounds_complete` is dispatched.
+
+Your trigger volumes use the `CurrentRound` condition to check which round is active, so each capture zone automatically becomes active or inactive as rounds change.
+
+## Testing With One Player
+
+Change `MinPlayers` to `1` while setting up and testing your world. Change it back before going live.