Avatars actually show; camera stops hugging the player

- SpringArm3D was colliding with the player's own capsule (same layer) ->
  camera yanked up against the head. add_excluded_object(self) in _ready +
  gentler default pitch, shorter arm, lower pivot.
- AvatarSystem.build_current_avatar() is now self-sufficient: loads the
  catalog itself and falls back to a bare default loadout if login didn't
  prime one. So the in-world player always shows an avatar, never the
  capsule, as long as the assets are packed (they are now).
- New AvatarSystem.assemble_avatar(): builds a standalone avatar with a
  throwaway loader, touching no shared state -- so it's safe to call once
  for the local player AND once per remote peer. (load_avatar()'s shared
  loader reset()s and freed the previous avatar on every call.)
- game.gd: remote players render as the assembled avatar too (shared default
  look, tinted per-peer, name tag) instead of a plain capsule.

Client-side -- rebuild the exe.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_015jtxAiu5dAW4WxCNdGkrkJ

scripts/game.gd

@@ -91,20 +91,36 @@ func _make_remote(pid: int) -> Node3D:
 	var root := Node3D.new()
 	root.name = "Remote_%d" % pid
 
-	var body := MeshInstance3D.new()
-	var capsule := CapsuleMesh.new()
-	capsule.radius = 0.35
-	capsule.height = 1.7
-	body.mesh = capsule
-	body.position = Vector3(0, 0.85, 0)
-	var mat := StandardMaterial3D.new()
-	mat.albedo_color = Color.from_hsv(fmod(float(pid) * 0.61803, 1.0), 0.6, 0.9)
-	body.material_override = mat
-	root.add_child(body)
+	# Other players get the assembled avatar too (everyone shares the default
+	# look for now -- per-player loadout replication is the follow-up), tinted
+	# by peer id so they're still tellable apart, plus a name tag.
+	var tint := Color.from_hsv(fmod(float(pid) * 0.61803, 1.0), 0.55, 0.95)
+	var avatars := get_node_or_null("/root/AvatarSystem")
+	var visual: Node3D = null
+	if avatars and avatars.has_method("build_current_avatar"):
+		visual = avatars.build_current_avatar()
+	if visual != null:
+		visual.position = Vector3(0, -0.85, 0)  # feet -> ground (root is at hip height from server)
+		for mi in _all_mesh_instances(visual):
+			var m := StandardMaterial3D.new()
+			m.albedo_color = tint
+			mi.material_override = m
+		root.add_child(visual)
+	else:
+		var body := MeshInstance3D.new()
+		var capsule := CapsuleMesh.new()
+		capsule.radius = 0.35
+		capsule.height = 1.7
+		body.mesh = capsule
+		body.position = Vector3(0, 0.85, 0)
+		var mat := StandardMaterial3D.new()
+		mat.albedo_color = tint
+		body.material_override = mat
+		root.add_child(body)
 
 	var tag := Label3D.new()
 	tag.text = "Player %d" % pid
-	tag.position = Vector3(0, 2.0, 0)
+	tag.position = Vector3(0, 2.1, 0)
 	tag.billboard = BaseMaterial3D.BILLBOARD_ENABLED
 	tag.no_depth_test = true
 	tag.pixel_size = 0.004
@@ -113,6 +129,14 @@ func _make_remote(pid: int) -> Node3D:
 	return root
 
 
+func _all_mesh_instances(node: Node, out: Array = []) -> Array:
+	if node is MeshInstance3D:
+		out.append(node)
+	for c in node.get_children():
+		_all_mesh_instances(c, out)
+	return out
+
+
 func _on_server_lost() -> void:
 	_networked = false
 	_show_status("Disconnected from the server. Returning to worlds…")