Constellation surface [UI]

A constellation is the control panel over a portfolio of member Domains. ConstellationShell tabs group into three bands (TAB_GROUPS); on a phone they collapse to seven pill groups around a centre Chat (see ui/mobile).

flowchart LR
    CS["ConstellationShell"]
    CS --> Consume & Steer & Manage

    subgraph Consume["**CONSUME**"]
        k1["Chat · Program (feed across members) ·<br/>Newsletter · Articles"]
    end
    subgraph Steer["**STEER**"]
        k2["Streams · Merges · Position"]
    end
    subgraph Manage["**MANAGE**"]
        k3["Domains (membership) · Members ·<br/>Operations · Reminders"]
    end

• Program view is bottom-up aggregation — it preserves ownerDomainId and deep-links into each domain's own Program feed (flows/story-pipeline).
• Reminder / cycle management is read-only aggregation + delegation — creation happens at the member-Domain level (ConstellationRemindersView deep-links to a domain's Reminders; ConstellationOperationsView batch-coordinates existing cycles' breadth). Onboarding is the one path that creates a constellation + its member domains + their maintenance in one flow.
• Phone nav collapses to: Program · News · Chat · Steer · Domains — see ui/mobile.