fix(devmode): default virt-manager to qemu:///session, not qemu:///system

system_files/bluefin/etc/dconf/db/distro.d/06-bluefin-virt-manager-session

@@ -0,0 +1,10 @@
+# Bluefin ships no system libvirtd/virtqemud daemon or socket, so the
+# virt-manager Flatpak's default qemu:///system connection can never open
+# (see "Failed to connect socket to '/var/run/libvirt/virtqemud-sock'").
+# `ujust toggle-devmode` / `ujust devmode` sets up qemu:///session as the
+# libvirt default via /usr/libexec/ensure-libvirt-session-config, so make
+# virt-manager's own remembered connection list match that rootless setup
+# instead of defaulting to the system connection it can't reach.
+
+[org/virt-manager/virt-manager]
+connections=['qemu:///session']

tests/test_virt_manager_dconf.bats

@@ -0,0 +1,21 @@
+#!/usr/bin/env bats
+# Tests for system_files/bluefin/etc/dconf/db/distro.d/06-bluefin-virt-manager-session
+#
+# virt-manager's Flatpak has no way to reach a system libvirtd/virtqemud
+# socket on Bluefin (none is installed or enabled), so its default
+# qemu:///system connection fails. This override must point it at
+# qemu:///session instead, matching `ujust toggle-devmode`'s libvirt setup.
+
+DCONF_OVERRIDE="$BATS_TEST_DIRNAME/../system_files/bluefin/etc/dconf/db/distro.d/06-bluefin-virt-manager-session"
+
+@test "virt-manager dconf override: file exists" {
+    [ -f "${DCONF_OVERRIDE}" ]
+}
+
+@test "virt-manager dconf override: targets the virt-manager schema path" {
+    grep -qxF '[org/virt-manager/virt-manager]' "${DCONF_OVERRIDE}"
+}
+
+@test "virt-manager dconf override: defaults connections to qemu:///session" {
+    grep -qxF "connections=['qemu:///session']" "${DCONF_OVERRIDE}"
+}