Agree with your list overall. I think the returns of Fuller and Robinson on defense can only make them better. Special teams needs to avoid awful mistakes (turnovers, missed kicks less than 45 or missed XP, big returns allowed). And offensively Goff has to play consistent while McVay remembers his QB needs protecting and this is one of the best running teams in the league.
Take any combination you want the next four games as far as W and L and, in my opinion, as long as they win 3 of 4 and are 8-4 in four weeks they will be in excellent postseason position. They would be 8-2 in the conference and, at minimum, in the driver's seat to be the 5th seed. Any shot at winning the NFC West (3rd seed?), of course, means having to beat Seattle this week.
