fix: suppress unused_signal warning on event_bus signals

src/ai/l2_rule_ai.gd

@@ -5,67 +5,67 @@ extends BaseAI
 const _C = preload("res://src/core/constants.gd")
 
 func _init():
-    ai_name = "Rule AI"
+	ai_name = "Rule AI"
 
 func decide(hand: Array, table: Array, current_rank: int, config: RuleConfig) -> HandEvaluator.EvaluatedPlay:
-    var moves := MoveGenerator.generate(hand, current_rank, config)
-    var last_play := _last_non_pass(table)
-    var candidates: Array = []
-    for m in moves:
-        if m.type == -1:
-            continue
-        if last_play == null:
-            candidates.append(m)
-        elif _can_beat(m, last_play, config):
-            candidates.append(m)
-    if candidates.is_empty():
-        return _pass_move()
-    var scored := _score_all(candidates, hand.size(), current_rank)
-    scored.sort_custom(func(a, b): return a["score"] > b["score"])
-    return scored[0]["move"]
+	var moves := MoveGenerator.generate(hand, current_rank, config)
+	var last_play := _last_non_pass(table)
+	var candidates: Array = []
+	for m in moves:
+		if m.type == -1:
+			continue
+		if last_play == null:
+			candidates.append(m)
+		elif _can_beat(m, last_play, config):
+			candidates.append(m)
+	if candidates.is_empty():
+		return _pass_move()
+	var scored := _score_all(candidates, hand.size(), current_rank)
+	scored.sort_custom(func(a, b): return a["score"] > b["score"])
+	return scored[0]["move"]
 
 func _score_all(moves: Array, hand_size: int, current_rank: int) -> Array:
-    var results := []
-    for m in moves:
-        var score := _score_move(m, hand_size, current_rank)
-        results.append({"move": m, "score": score})
-    return results
+	var results := []
+	for m in moves:
+		var score := _score_move(m, hand_size, current_rank)
+		results.append({"move": m, "score": score})
+	return results
 
 func _score_move(play: HandEvaluator.EvaluatedPlay, hand_size: int, current_rank: int) -> float:
-    var score := 0.0
-    var remaining := hand_size - play.cards.size()
-    score += (27.0 - remaining) / 27.0 * 0.3
-    if play.type == _C.TYPE_BOMB or play.type == _C.TYPE_ROCKET:
-        score -= 0.2
-    elif play.type == _C.TYPE_STRAIGHT_FLUSH:
-        score -= 0.1
-    score += play.cards.size() * 0.02
-    if play.primary_rank >= 14 and remaining > 10:
-        score -= 0.1
-    if remaining <= 3:
-        score += 0.5
-    if play.is_pure_bomb:
-        score += 0.05
-    return score
+	var score := 0.0
+	var remaining := hand_size - play.cards.size()
+	score += (27.0 - remaining) / 27.0 * 0.3
+	if play.type == _C.TYPE_BOMB or play.type == _C.TYPE_ROCKET:
+		score -= 0.2
+	elif play.type == _C.TYPE_STRAIGHT_FLUSH:
+		score -= 0.1
+	score += play.cards.size() * 0.02
+	if play.primary_rank >= 14 and remaining > 10:
+		score -= 0.1
+	if remaining <= 3:
+		score += 0.5
+	if play.is_pure_bomb:
+		score += 0.05
+	return score
 
 func _can_beat(play: HandEvaluator.EvaluatedPlay, last: HandEvaluator.EvaluatedPlay, config: RuleConfig) -> bool:
-    if play.type == _C.TYPE_ROCKET:
-        return true
-    if play.type == _C.TYPE_BOMB and last.type != _C.TYPE_ROCKET:
-        return RuleEngine.compare_bombs(play, last, config) > 0
-    if play.type == last.type:
-        return play.primary_rank > last.primary_rank
-    return false
+	if play.type == _C.TYPE_ROCKET:
+		return true
+	if play.type == _C.TYPE_BOMB and last.type != _C.TYPE_ROCKET:
+		return RuleEngine.compare_bombs(play, last, config) > 0
+	if play.type == last.type:
+		return play.primary_rank > last.primary_rank
+	return false
 
 func _last_non_pass(table: Array) -> HandEvaluator.EvaluatedPlay:
-    for i in range(table.size() - 1, -1, -1):
-        var play: HandEvaluator.EvaluatedPlay = table[i]
-        if play.type != -1:
-            return play
-    return null
+	for i in range(table.size() - 1, -1, -1):
+		var play: HandEvaluator.EvaluatedPlay = table[i]
+		if play.type != -1:
+			return play
+	return null
 
 func _pass_move() -> HandEvaluator.EvaluatedPlay:
-    var p := HandEvaluator.EvaluatedPlay.new()
-    p.type = -1
-    p.primary_rank = 0
-    return p
+	var p := HandEvaluator.EvaluatedPlay.new()
+	p.type = -1
+	p.primary_rank = 0
+	return p

src/autoload/event_bus.gd

@@ -1,4 +1,5 @@
 # src/autoload/event_bus.gd
+@warning_ignore("unused_signal")
 extends Node
 
 signal player_played_cards(player_idx: int, play_type: int, cards: Array)

src/ui/scenes/training_room.gd

@@ -9,10 +9,10 @@ var controller: TrainingController
 @onready var status_label: Label = $StatusLabel
 
 func _ready() -> void:
-	play_button.pressed.connect(_on_play_pressed)
-	pass_button.pressed.connect(_on_pass_pressed)
-	hint_button.pressed.connect(_on_hint_pressed)
-	start_training()
+    play_button.pressed.connect(_on_play_pressed)
+    pass_button.pressed.connect(_on_pass_pressed)
+    hint_button.pressed.connect(_on_hint_pressed)
+    start_training()
 
 func start_training() -> void:
 	controller = TrainingController.new()
@@ -70,5 +70,5 @@ func _on_game_ended(winner_team: int, reason: String) -> void:
 	if hand_area: hand_area.disable_input()
 
 func _refresh_ui() -> void:
-	if controller and controller.game_state and hand_area:
-		hand_area.update_hand(controller.game_state.get_hand(0))
+    if controller and controller.game_state and hand_area:
+        hand_area.update_hand(controller.game_state.get_hand(0))