7d1607dc16
- Hoist resolveFallbackChainForCallOmoAgent before sync/background branch so sync executor also receives the fallback chain - Add fallbackChain parameter to sync-executor with setSessionFallbackChain - Mock connected-providers-cache in event.model-fallback tests for deterministic behavior (no dependency on local cache files) - Update test expectations to account for no-op fallback skip when normalized current model matches first fallback entry - Add cache spy isolation for subagent-resolver fallback_models tests