fix(candy-survival): initialize local HUD badge text splits and synchronize Knock/Ghost charge counts reliably

scripts/managers/candy_survival_manager.gd

@@ -89,6 +89,13 @@ func activate_client_side() -> void:
 	if hud_layer:
 		hud_layer.visible = true
 	set_process(true)
+	
+	if hud_stack_badge:
+		hud_stack_badge.text = "Stack: 0 (x1.0)\nRed: 0x Blue: 0x Green: 0x Yellow: 0x"
+	if hud_knock_label:
+		hud_knock_label.text = "🥊 Knocks: 5"
+	if hud_ghost_label:
+		hud_ghost_label.text = "👻 Ghosts: 5"
 
 # Per-player state
 var player_candies: Dictionary = {}      # pid -> int (stack count)
@@ -387,6 +394,7 @@ func try_knock(attacker: int, target: int) -> bool:
 	if target_candies == 0:
 		# Backfire: both lose a charge
 		player_knocks[attacker] = player_knocks.get(attacker, 0) - 1
+		rpc("sync_knock_charge_count", attacker, player_knocks[attacker])
 		# Attacker is also knocked down briefly (visual handled by caller)
 		rpc("sync_knock_result", attacker, target, 0)
 		return false
@@ -401,6 +409,7 @@ func try_knock(attacker: int, target: int) -> bool:
 	player_candies[target] = 0
 
 	player_knocks[attacker] = player_knocks.get(attacker, 0) - 1
+	rpc("sync_knock_charge_count", attacker, player_knocks[attacker])
 	player_last_knocked_by[target] = attacker
 
 	_add_score(attacker, target_candies * 100)
@@ -636,6 +645,10 @@ func sync_state_to_player(peer_id: int) -> void:
 	# Sync Ghost inventory to make the HUD button visible on player load
 	_update_special_inventory_for_ghosts(peer_id)
 	
+	# Sync Knock and Ghost charges
+	rpc_id(peer_id, "sync_knock_charge_count", peer_id, player_knocks.get(peer_id, START_KNOCK))
+	rpc_id(peer_id, "sync_ghost_charge_count", peer_id, player_ghosts.get(peer_id, START_GHOST))
+	
 	# Sync all players' candy stack heights and colors
 	for pid in player_candy_colors.keys():
 		var count = player_candies.get(pid, 0)
@@ -688,3 +701,13 @@ func sync_ghost_charge_count(pid: int, count: int) -> void:
 	if multiplayer.get_unique_id() == pid:
 		if hud_ghost_label:
 			hud_ghost_label.text = "👻 Ghosts: %d" % count
+
+@rpc("authority", "call_local", "unreliable")
+func sync_knock_charge_count(pid: int, count: int) -> void:
+	if not active:
+		activate_client_side()
+	if player_knocks.has(pid) or pid == multiplayer.get_unique_id():
+		player_knocks[pid] = count
+	if multiplayer.get_unique_id() == pid:
+		if hud_knock_label:
+			hud_knock_label.text = "🥊 Knocks: %d" % count