Turns out I never wrote this part of the trip report.
If anyone's desperately wondering about my luggage - when I landed in SIN, there was a TG agent waiting for me at the gate, and she explained that they had been contacted by the ground staff in MAA (so I take back my earlier criticism!). The agents were on the case, and I had nothing to worry about. When I checked in for my UA flight the next morning, needless to say they knew nothing about my luggage, but assured me that I shouldn't worry and they would sort it out somehow. They made up some tags, gave me a baggage receipt and sent me on my way. And they were right - when I reached SFO, my bags were there too. Needn't have worried at all.
Some photos:
full view of the TG F seat on the A346 - I never did get to try the C seat!
starters on BKK-SIN
another shaky main course pic thanks to minor turbulence!
dessert
Hainan chicken and rice on UA. Tasteless
isn't she a beauty!

[I] salted nuts, or nutted salt, I wonder?
compare this to the starter above on TG
actually, wasn't the worst chunk of red meat I've ever eaten

[I] this concoction however, I only managed a single bite of
Home, Sweet Home!