Give identity its due: native enrollment, honest deletion, and sign-in that stays home

Claude-Session: https://claude.ai/code/session_01Ms2FbjQy31TVf3CEvQhGM8

config/dot/quickshell/modules/settings/SecretFieldRow.qml

@@ -0,0 +1,42 @@
+// A row whose trailing control is a masked field that can be emptied on demand.
+//
+// PasswordRow already reports every keystroke, which is what comparing two
+// entries as they are typed needs. What it cannot do is forget: its field is
+// private, so a form that closed left the typed password sitting in a hidden
+// TextInput for the rest of the session.
+//
+// This exposes `clear()` so the page that owns a form can empty it when the
+// form succeeds or closes, which is the only difference between the two.
+
+import QtQuick
+import qs.config
+
+SettingRow {
+    id: root
+
+    property string placeholder: "Password"
+    property bool enabled: true
+
+    signal changed(value: string)
+    signal accepted
+
+    controlWidth: 220
+
+    function clear(): void {
+        field.clear();
+        root.changed("");
+    }
+
+    PasswordField {
+        id: field
+
+        anchors.right: parent.right
+        anchors.verticalCenter: parent.verticalCenter
+        width: root.controlWidth
+        enabled: root.enabled
+        opacity: root.enabled ? 1 : 0.5
+        placeholder: root.placeholder
+        onTextChanged: root.changed(field.text)
+        onAccepted: root.accepted()
+    }
+}