fix(multiplayer): submit allocated match results

Game/scripts/match_net.gd

@@ -19,6 +19,8 @@ signal player_state_changed(peer_id: int, team: int, ready: bool)
 signal rejected(reason: String)   # client-side only: the server refused our hello
 signal welcomed()                 # client-side only: our hello was accepted
 signal server_shutdown(reason: String) # client-side notification before planned close
+signal result_submission_accepted
+signal result_submission_retrying(http_code: int)
 
 const TEAM_COUNT := 2
 const RECONNECT_GRACE_SECONDS := 60.0
@@ -68,6 +70,7 @@ var _join_authorisation_context: Dictionary = {}
 var _join_signing_key := PackedByteArray()
 var _connection_lease_claim := Callable()
 var _connection_lease_disconnect := Callable()
+var _result_submit := Callable()
 
 # Test hook (tests/match_net_smoke.gd): set false before connecting to
 # suppress the automatic real hello, so a test can send a deliberately
@@ -109,6 +112,7 @@ func _on_shutting_down() -> void:
 	_join_signing_key = PackedByteArray()
 	_connection_lease_claim = Callable()
 	_connection_lease_disconnect = Callable()
+	_result_submit = Callable()
 	require_join_authorisation = false
 	admissions_open = true
 
@@ -443,6 +447,17 @@ func configure_connection_lease_callbacks(claim: Callable, disconnect: Callable)
 	_connection_lease_disconnect = disconnect
 
 
+func configure_result_submission(callback: Callable) -> void:
+	_result_submit = callback
+
+
+func submit_authoritative_result(score: Dictionary) -> bool:
+	if not _result_submit.is_valid() or not score.has(0) or not score.has(1):
+		return false
+	_result_submit.call(int(score[0]), int(score[1]))
+	return true
+
+
 func _claim_join_authorisation(token: String, peer_id: int) -> int:
 	var expected_generation := _available_join_generation(token)
 	if expected_generation < 0: