Observations
In a 6 encounter adventuring day (2 short rests) no class dominated any pillar, and each did their jobs. The Bard and Fighter were the primary faces, the Rogue the Scout and eyes and ears and the Wizard and Cleric provided knowledge and lore.
The rogue outputted consistent DPR but the Fighter held the edge in most combat encounters. Your Wizard was vital in turning a few encounters on their heads as well (Hezrou and Hobgoblins).
The Bards buffs provided invaluable, as did the Clerics (plus his healing).
At the 6 encounter/ full AD XP budget, you had to carefully ration your spells.
With skills and class features you contributed primarily in the combat pillar, with the exploration pillar a close second (mainly thanks to Arcana being very useful in this adventure).
In the social pillar however you used zero class features or skills, and what skill checks were called for, you had 2 other PCs (Bard and Fighter) who were better at those skills (intimidate, persuasion, deception, insight).
Interestingly, according to the DMG you guys should have been finishing that 6 encounter Adventuring day out of resources,and that is precisely what happened on literally the second last round of the day!
How did you find it?