Merge main into agent/28357bca192d to resolve PR #43 conflicts

# Conflicts:
#	scripts/main_menu.gd

scripts/main_menu.gd

@@ -3,8 +3,9 @@ extends Control
 ##
 ## The AuthPanel is hidden by default. When the user clicks the LoginButton or
 ## RegisterButton (AuthButtonsRow, above the panel), the auth panel slides in.
-## The ModeToggle switches between Login and Register modes, showing/hiding
-## the email and DOB fields accordingly.
+## The Login and Register buttons on the AuthButtonsRow directly set the panel's
+## mode, so the user can switch between Login and Register at any time while
+## the panel is open.
 ##
 ## On successful auth the token is stored via ApiClient, AuthButtonsRow hides,
 ## the welcome label shows the username, and the Play button becomes enabled.
@@ -34,7 +35,6 @@ var _username_edit: LineEdit
 var _password_edit: LineEdit
 var _email_edit: LineEdit
 var _dob_edit: LineEdit
-var _mode_toggle: CheckButton
 var _auth_button: Button
 var _status_label: Label
 var _welcome_label: Label
@@ -58,7 +58,6 @@ func _ready() -> void:
 	_password_edit = $CenterContainer/VBoxContainer/AuthPanel/MarginContainer/AuthVBox/PasswordEdit
 	_email_edit = $CenterContainer/VBoxContainer/AuthPanel/MarginContainer/AuthVBox/EmailEdit
 	_dob_edit = $CenterContainer/VBoxContainer/AuthPanel/MarginContainer/AuthVBox/DOBEdit
-	_mode_toggle = $CenterContainer/VBoxContainer/AuthPanel/MarginContainer/AuthVBox/ModeToggle
 	_auth_button = $CenterContainer/VBoxContainer/AuthPanel/MarginContainer/AuthVBox/AuthButton
 	_status_label = $CenterContainer/VBoxContainer/AuthPanel/MarginContainer/AuthVBox/AuthStatusLabel
 	_welcome_label = $CenterContainer/VBoxContainer/AuthPanel/MarginContainer/AuthVBox/WelcomeLabel
@@ -108,7 +107,7 @@ func _reset_to_logged_out() -> void:
 	_update_auth_mode_ui()
 
 
-# ─── Play / Quit ─────────────────────────────────────────────────────────────
+# ─── Play / Quit ──────────────────────────────────────────────────────────────
 
 func _on_play_button_pressed() -> void:
 	if _play_button.disabled:
@@ -122,11 +121,14 @@ func _on_quit_button_pressed() -> void:
 	get_tree().quit()
 
 
-# ─── Auth panel toggle ───────────────────────────────────────────────────────
+# ─── Auth panel toggle ────────────────────────────────────────────────────────
 
 func _on_login_button_pressed() -> void:
-	"""Show the auth panel, called from AuthButtonsRow/LoginButton."""
+	"""Show the auth panel in login mode, called from AuthButtonsRow/LoginButton."""
 	_auth_panel.visible = true
+	_is_register_mode = false
+	_update_auth_mode_ui()
+	_clear_status()
 	_username_edit.grab_focus()
 
 
@@ -134,20 +136,11 @@ func _on_register_button_pressed() -> void:
 	"""Show the auth panel in register mode, called from AuthButtonsRow/RegisterButton."""
 	_auth_panel.visible = true
 	_is_register_mode = true
-	_mode_toggle.button_pressed = true
 	_update_auth_mode_ui()
 	_clear_status()
 	_username_edit.grab_focus()
 
 
-# ─── Mode toggle (Login / Register) ──────────────────────────────────────────
-
-func _on_mode_toggle_toggled(button_pressed: bool) -> void:
-	_is_register_mode = button_pressed
-	_update_auth_mode_ui()
-	_clear_status()
-
-
 func _update_auth_mode_ui() -> void:
 	"""Update labels and field visibility based on login vs register mode."""
 	if _is_register_mode:
@@ -162,7 +155,7 @@ func _update_auth_mode_ui() -> void:
 		_dob_edit.visible = false
 
 
-# ─── Auth submission ─────────────────────────────────────────────────────────
+# ─── Auth submission ──────────────────────────────────────────────────────────
 
 func _on_auth_button_pressed() -> void:
 	"""Handle login or register button press."""
@@ -233,7 +226,7 @@ func _on_auth_complete(result: Dictionary) -> void:
 		_show_status(result.detail)
 
 
-# ─── Status helpers ──────────────────────────────────────────────────────────
+# ─── Status helpers ───────────────────────────────────────────────────────────
 
 func _show_status(message: String) -> void:
 	_status_label.text = message
@@ -245,7 +238,7 @@ func _clear_status() -> void:
 	_status_label.visible = false
 
 
-# ─── Validation ──────────────────────────────────────────────────────────────
+# ─── Validation ───────────────────────────────────────────────────────────────
 
 func _is_valid_date(date_str: String) -> bool:
 	"""Check if a string looks like a valid YYYY-MM-DD date."""