'Labour accepts the referendum result' => Labour will take Britain out of the EU per their manifesto => 'Freedom of movement will end when we leave the European Union' => Freedom of Movement (and the other inseparable freedoms) ending means Hard Brexit
But "Labour will always put jobs and the economy first" so Labour must prove any non-Remain option is better than Remaining in terms of impact on jobs and the economy.
'Labour accepts the referendum result' => Labour will take Britain out of the EU per their manifesto => 'Freedom of movement will end when we leave the European Union' => Freedom of Movement (and the other inseparable freedoms) ending means Hard Brexit
Can see where @Dammit is coming from