The per-provider fallback ids were spelled in three crates that had
already drifted. claw's resolved_model carried a stale match that
answered deepseek, copilot, and zai with google's fallback while its
own backends.rs knew better; acp and the headless one-shot still used
the copy-pasted google default for openrouter, which claw's module doc
records as deliberately replaced by openrouter/auto — a router
deserves its own router id. Keeping three tables honest was a
comment-level contract ("the same defaults the headless one-shot
uses"), and the comments lied.
ProviderInfo gains default_model, every row fills it, and
rhema_config::default_model(name) answers with google's default for
an unknown spelling, the same fallback every caller hand-rolled. The
acp resolve, claw's backends and resolved_model, and the headless
one-shot read the registry now; the three copies are gone. claw's
resolved_model test pins the arms that had silently dropped off.
Behavior changes, both toward the recorded decisions: the headless
openrouter fallback becomes openrouter/auto, and claw's deepseek,
copilot, and zai fallbacks become their real ids instead of google's.
vhaudiquet
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