fix(flowchat): prevent pet session history from loading indefinitely #6996

Job	Run time
Build Impact	18s
Shell Deploy Scripts	13s
Frontend Build	13m 36s
Rust / CLI Validation	4s
DSH Profile Packaging (windows-latest)	-1s
Rust Build Check (${{ matrix.os }})	-1s
Impact-selected Linux / Relay Contract	-1s
CLI Tests (${{ matrix.os }})	-1s
	14m 7s

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