Files
Cody LeeandClaude Opus 5 01ac7ca2b7 refactor(unas): replace disable flag with enable, defaulting to off
`disable = false` is a double negative, and a bool named disable cannot
express opt-in anyway: it zero-values to false, so the flag was inert and
opt-in rested entirely on the device list being empty.

`enable` defaults to false and is now the real gate -- Initialize, Metrics
and DebugInput all return early unless it is set. The two existing guards
remain: an empty device list is still a no-op, and no default URL is ever
synthesized.

Configuring devices while enable is false is always a mistake, so that
combination logs one error instead of silently collecting nothing.

Adds binding tests for the flag across toml, json, yaml and UP_UNAS_ENABLE
(the env name derives from the xml tag, not the json one), plus a test that
all three shipped examples default to off. Both were verified by mutation:
breaking a struct tag or flipping an example fails the suite.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-08-19 09:34:02 -05:00
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