Secondaries collapse to icons (date range = Next 7 Days); 'Mark All Read' keeps its label — the Notifications view's PRIMARY action. RULE: each titlebar carries at most ONE labeled primary ('+ Add' or the view's equivalent).
Inventory
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Inventory
Search Inventory
Icon-only date range + funnel; '+ Add' is the one labeled primary (creates a vehicle).
Settings
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Galleria BMW
Dealership settings — no date/filter slots; 'Accounts' is the one labeled primary.