hypr: refine hyprlogin greeter (greet label, fingerprint stub, shared username field)

.chezmoitemplates/apex-neon-lock.conf

@@ -50,6 +50,8 @@ input-field {
 
     font_family = $font
     placeholder_text = <i>password</i>
+    placeholder_text_username = <i>username</i>
+    fail_text = $FAIL
 
     position = 0, 120
     halign = center

system/etc/hyprlogin/hyprlogin.conf.tmpl

@@ -1,5 +1,5 @@
 # /etc/hyprlogin/hyprlogin.conf — installed from chezmoi via system/install-greeter.sh
-# Shared look (palette, font, input-field, clock, date) comes from the sourced fragment.
+# Shared look (palette, font, animations, input-field, clock, date) from sourced fragment.
 source = /etc/hyprlogin/apex-neon.conf
 
 general {
@@ -11,6 +11,16 @@ general {
     debug_log_path = /tmp/hyprlogin-debug.log
 }
 
+# uncomment to enable fingerprint authentication
+# auth {
+#     fingerprint {
+#         enabled = true
+#         ready_message = Scan fingerprint to unlock
+#         present_message = Scanning...
+#         retry_delay = 250 # in milliseconds
+#     }
+# }
+
 sessions {
     default_user = {{ .chezmoi.username }}
     default_session = hyprland-uwsm.desktop
@@ -28,13 +38,6 @@ background {
 {{ end -}}
 {{- end }}
 
-# greeter-only: username placeholder lives here so hyprlock doesn't carry it
-input-field {
-    monitor =
-    placeholder_text_username = <i>username</i>
-    fail_text = $FAIL
-}
-
 # session indicator (click cycles to next)
 label {
     monitor =
@@ -60,3 +63,15 @@ label {
     halign = right
     valign = bottom
 }
+
+# greet message — only shown once a username is set or entered
+label {
+    monitor =
+    text = Login as $GREETD_USER
+    font_size = 16
+    font_family = $font
+    position = 0, 20
+    halign = center
+    valign = center
+    hide_when_empty = true
+}