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Refine FlowChat presentation, session drafts, and usage settings #7064

Job	Run time
Build Impact	20s
Shell Deploy Scripts	16s
Frontend Build	14m 7s
Rust Build Check (windows-latest)	27m 8s
Rust Build Check (ubuntu-latest)	18m 12s
CLI Tests (ubuntu-latest)	9m 28s
CLI Tests (windows-latest)	9m 54s
Rust Build Check (macos-15)	14m 20s
CLI Tests (macos-15)	6m 47s
DSH Profile Packaging (windows-latest)	0s
Impact-selected Linux / Relay Contract	0s
Rust / CLI Validation	7s
	1h 40m 39s