Reads the lever overrides from KV, keeping only the names on KV_OVERRIDABLE.
Values are coerced to strings (what a vars binding delivers). A malformed document, an unknown
key or a KV error yields no overrides rather than throwing: this is the serving path.
Reads the lever overrides from KV, keeping only the names on KV_OVERRIDABLE.
Values are coerced to strings (what a
varsbinding delivers). A malformed document, an unknown key or a KV error yields no overrides rather than throwing: this is the serving path.