chore(client): gdformat pass on atlas codec scripts

Formatting-only cleanup of the #969/#960-A codec + bridge scripts to match
gdformat output (the pre-push gdformat check is advisory; these landed
un-formatted). No behavior change — 70/70 protocol tests green.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

client/scripts/autoloads/sim_bridge.gd

@@ -264,8 +264,7 @@ func _process(delta: float) -> void:  # gdlint:disable=max-returns
 		# Send startup message with world_seed and character appearance (#175, D-010/D-029, #718).
 		# Server blocks waiting for this before entering the tick loop.
 		var startup_bytes := Protocol.encode_startup_message(
-			GameState.world_seed,
-			GameState.character_visual_descriptor
+			GameState.world_seed, GameState.character_visual_descriptor
 		)
 		if startup_bytes.size() > 0:
 			var send_err: int = _bridge.send_message(startup_bytes)
@@ -400,7 +399,10 @@ func request_atlas_layers(body_id: String, up_to: String = "Topography") -> void
 	var err: int = _bridge.send_message(bytes)
 	if err != OK:
 		push_error(
-			"SimBridge: failed to send atlas layer request for %s: %s" % [body_id, error_string(err)]
+			(
+				"SimBridge: failed to send atlas layer request for %s: %s"
+				% [body_id, error_string(err)]
+			)
 		)