Function current_value_string 

pub fn current_value_string(entry: &EditableSetting) -> String

What: Read the current value for entry from Settings::settings(), returning the canonical string the popup should pre-populate.

Inputs:

• entry: Schema row to look up.

Output:

• On-disk-equivalent string. For unsupported keys (Phase 2/3 entries), returns an empty string so the popup falls back to free-form text.

Details:

• Reads from a fresh crate::theme::settings snapshot to avoid divergence between in-memory state and external edits.
• Best-effort: Phase 1 surfaces a small set of well-known keys; other schema rows render as empty until later phases.