Show every answer the portal remembers, and give SSH keys their missing half

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

tests/quickshell/gnome-handoff-contract

@@ -47,6 +47,14 @@ fail() {
 # "online-accounts" is listed because Panama has an Online Accounts page -- but
 # adding an account still has to go through GOA's own dialog, so that one
 # exception is named explicitly below.
+# "privacy" joined the list when Privacy & Security stopped being a page that
+# read the portal and pointed at GNOME for everything else. It now clears the
+# recent-files list and the thumbnail cache itself, empties the trash through
+# Storage's own cleanable, and revokes portal grants for six tables rather than
+# three devices. The card that used to carry the door -- headed "Owned by
+# Fedora", explaining that GNOME's file-history switches would not take effect
+# in a Hyprland session anyway -- is gone, because the switches it was
+# apologizing for are now buttons that work.
 declare -A OWNED=(
     [network]=connectivity
     [wifi]=connectivity
@@ -55,6 +63,7 @@ declare -A OWNED=(
     [sharing]=sharing
     [users]=users
     [system\ users]=users
+    [privacy]=privacy
 )
 
 # Handoffs that are correct despite naming an owned panel, with the reason.
@@ -109,6 +118,15 @@ done < <(grep -rno --include='*.qml' -E 'openGnomePanel\("[^"]*"(, *"[^"]*")?\)'
 
 (( checked > 0 )) || fail 'no handoffs were examined, so this proves nothing'
 
+# The inverse, for the page that just stopped handing anything over. The loop
+# above can only fail on a door that exists; said this way it also fails if the
+# door comes back under a panel name nobody thought to list.
+if grep -q 'openGnomePanel' "$settings_dir/PrivacyPage.qml"; then
+    printf 'gnome handoff contract: PrivacyPage still opens a GNOME panel:\n' >&2
+    grep -n 'openGnomePanel' "$settings_dir/PrivacyPage.qml" >&2
+    violations=$((violations + 1))
+fi
+
 if (( violations > 0 )); then
     printf 'Each of these sends someone to GNOME for a page this app already has.\n' >&2
     exit 1