93cc7b1a44
`toolState.model` was set only to `payload.model` (the stored slug, often undefined for router/oss runs that derive the target from `proxyModel`). the footer's "Using `…`" segment is gated on a truthy model, so router runs on repos without an explicit model setting shipped reviews/comments with no model badge — e.g. PR #614's review showed no model despite running `openrouter/anthropic/claude-opus-4.7` via proxy. now mirror the priority used by `resolveModelForLog` and `isGeminiRouted`: `payload.proxyModel ?? resolvedModel ?? payload.model`. also reverse-look up by `resolve`/`openRouterResolve` in `formatModelLabel` so a proxy target like "openrouter/anthropic/claude-opus-4.7" still renders as "Claude Opus".