fix(multiplayer): reconcile authoritative initial connections

Game/scripts/server_match_loop.gd

@@ -48,6 +48,7 @@ var allocated_mode := false
 var allocated_playlist := ""
 var allocated_roster_size := 0
 var allocated_arena_path := ""
+var allocated_admission_armed := true
 
 var matches_completed := 0
 var _countdown_started_ms := -1
@@ -74,6 +75,8 @@ func _process(_delta: float) -> void:
 
 
 func _poll_allocated_match_start(now: int) -> void:
+	if not allocated_admission_armed:
+		return
 	if _allocated_connect_started_ms < 0:
 		_allocated_connect_started_ms = now
 	var connected := MatchNet.roster.size()
@@ -95,14 +98,27 @@ func _poll_allocated_match_start(now: int) -> void:
 		_poll_match_start(now)
 
 
+func arm_allocated_admission() -> void:
+	allocated_admission_armed = true
+	_allocated_connect_started_ms = -1
+
+
 static func allocated_initial_connect_action(playlist: String, elapsed_ms: int, connected: int, expected: int, has_team_zero: bool, has_team_one: bool) -> String:
 	if elapsed_ms < 0 or connected < 0 or expected < 1:
 		return ALLOCATED_CANCEL
-	if connected >= expected:
-		return ALLOCATED_READY
 	if playlist == "ranked":
+		if expected != 6:
+			return ALLOCATED_CANCEL
+		if connected >= expected:
+			return ALLOCATED_READY
 		return ALLOCATED_CANCEL if elapsed_ms >= 30000 else ALLOCATED_WAIT
 	if playlist == "casual":
+		if expected < 2 or expected > 6:
+			return ALLOCATED_CANCEL
+		if connected >= expected:
+			if expected == 6:
+				return ALLOCATED_READY
+			return ALLOCATED_START_WITH_BOTS if has_team_zero and has_team_one else ALLOCATED_CANCEL
 		if elapsed_ms < 60000:
 			return ALLOCATED_WAIT
 		return ALLOCATED_START_WITH_BOTS if connected >= 2 and has_team_zero and has_team_one else ALLOCATED_CANCEL