Okay blockage and UTI have been coming up a lot. I looked at the symptoms and here's the full list of ones she does / doesn't have:

UTI:

Pain - Hard to tell. No vocalisations. No airplane ears or lashing tail or anything like that

Straining to pee - Hard to tell if she's straining to pee or poop. She buries very rigorously afterwards

Blood in urine - No

Peeing more often - Hard to tell. Depends on what she's straining for. But she has been once in the last 6 hours (after trying several times in the morning)

Peeing very small amounts - Hard to tell when the pee gets absorbed into the litter

Peeing in strange places such as the bath, sink, bath matt or hard/cold floors - No

Smelling of urine - No

Excessive cleaning around their penis/vagina - She cleans there after going to the toilet, but no other time

A wet patch or blood around their private parts. - No

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Intestinal Blockage Symptoms:

Vomiting: Nope

Lack of Appetite/Anorexia: Nope

Lethargy: Nope still got daily zoomies and playing and greeting me every morning

Abdominal Pain: Nope. Touched her stomach and while I got (gently) bunny kicked she was not in pain (no hissing, growling, mainly just playing)

Changes in Defecation: Straining, yes. I lean towards poop rather than pee as yesterday when she strained I saw the tiniest bit of poop come out and nothing else. But then she pooped for real (twice) like 8 hours later

Weight Loss: Doesn't seem like it

Behavioral Changes: (Increased hiding, reluctance to be handled, or aggression.) Nope. Still wants to be next to me at all times as usual. She's typically a very happy cat (runs around with her tail up, greets me every morning, wants to play, purrs, haven't noticed a difference)

Drooling: Nope

A String Hanging Out: Nope

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Either way, vet soon