I did have a fork on an old Raleigh break off during a ride. I felt something funny and came to a stop and the fork fell off to the side with a CLANK. That bike had endured full time use in 13 winters (6 in New England) and had been crashed numerous times so I wasn't surprised.

As for the Tour Easy seat, the seat bottom is a hard shell of some sort and the cushion is made of three kinds of foam. The pad is covered with a cloth that tightens with a cord. The back is a mesh that is tied to the seat back aluminum frame with shock cord of some type. All three parts were replaced once over the years. The original seat back mesh was attached with zip ties.

I have a local recumbent shop that knows someone who will redo my seat pad. It's still comfy enough but these things don't last forever. If I get stuck in the rain I put a kitchen garbage bag over it to keep water out of the foam.

I put about 2,000 miles a year on my Tour Easy (much of it on a wind trainer in the basement over the winter). I figure I can get at least another 5 years out of it before something irreplaceable breaks.

I'm not a TE rider myself, so I hope I have this correct - isn't there a time frame of TE seats that were problematic? Perhaps yours is not one? That would be the part I'd worry about most. In the meanwhile I've asked Phoenix for an extra fork as a spare. It does seem like quite a specialty item. They didn't seem to think there was much of a need, and didn't have one already built. But, I've asked for it. Many, many years ago (1999 or so), I had the steerer tube on my RANS Stratus break. I had days of warning, it felt like a flat tire - but who would think the fork is breaking? When it finally went, I was on level ground and not going too fast. Nothing was hurt but my dignity. This was the pre internet days. I heard of a handful of others that broke. RANS replace it for free.

By the way, I crashed the Sequoia into a parked car during a windstorm. The steel fork bent. My local bike shop used a jig to put it back into alignment and its worked fine ever since.

I did three tours on my Tour Easy, all journaled on CycleBlaze. I had problems with limestone grit messing up my cables. Also, my rear wheel started to break. Fixed both and kept going.
As for the fork, I hit a massive root heave on the Mount Vernon Trail near my home. The fork snapped off at the crown. Easy Racers had placed a recall on the fork but I ignored it having ridden over 20,000 miles without incident at the time. The replacement fork is of a different design and hopefully will last many more miles.
As for carbon forks, on my 2022 tour on the TransAm I encountered a man and his son in the tiny, mosquito infested town of Wisdom WY. They were riding the Great Divide Route when the front rack pulled away from the carbon fork on the dad's bike. The eyelets tore out with the rack rendering the fork unusable. Carbon forks are very popular but after seeing the look on the Dad's face, I wouldn't use one for touring.

Have you toured on the Tour Easy? Did you write up anywhere the accident with the fork? I've been reading Janice Branham's journal where her husband broke the carbon fork on his P-38, running into a curb. A friend who rides a Bella said he did the same thing, didn't even get a flat tire, but it did dent the rim. The rest of the bike (fork) was ok.