There're plenty of threads on this sub-forum w/as much gear info as one would need. I'll give you my particular approach...as will others I'm sure and you can adapt suggestions to your needs.

I've got 2 bikes I use for commuting. One I take in on Mondays fully loaded w/clothes and food for the week. It's got a rack, panniers, toolkit, etc. Then the rest of the week I ride a fixed gear w/a seatpost rack/trunkbag combo. I bring each days work clothes home. Each bike has it's own toolbag, framepump(I recommend the Topeak Road Morph w/gauge for commuting), multi-tool, tube(s), patch-kit, tire levers, and a headband light as I work 2nd shift and ride in the dark. It's for having both hands available for roadside repairs. My tires are Schwalbe Marathon Plus on both bikes. 28mm on the 'mule' and 25mm on th fg. Over 15,000 commuter miles w/one flat and one slow leak.

So, we have similarities in bikes. Use one as your mule and one as your fast bike. Afa clothing goes the rule I've followed over the last 20 years of cycle-commuting is: don't ride in your work clothes or work in your ride clothes. Seems like you've got everything else pretty well covered. All the best. Commuting by bike is habit forming. In a couple of months you'll wonder why anyone who live 25 miles or less from work wouldn't ride a bicycle.