Constant EDITABLE_SETTINGS 

pub const EDITABLE_SETTINGS: &[EditableSetting];

What: Initial Phase-0 subset of editable settings.

Inputs:

• None.

Output:

• Static slice of EditableSetting entries.

Details:

• Covers each ValueKind variant at least once so the editor’s popup variants can be exercised end-to-end before Phase 1 fills in the rest.
• Phase 1 extends this slice; consumers must treat it as append-only by key name.