Merged FN-3863 brings stash recovery to the dashboard via three coordinated steps: engine-side orphan stash surfacing API in `merger.ts`, dashboard API routes for stash recovery data, and a new `StashRecoveryView` component with mobile support and inspect-diff row actions, integrated into the header
Fusion-Task-Id: FN-3863
Adds a full evals dashboard view (FN-3394) with a client hook, server-side read routes, and navigation integration across the Header and mobile nav, backed by comprehensive tests. Wires Hermes chat message tools with mailbox behavior documentation (FN-3620), and extends the agent heartbeat and tools
Fusion-Task-Id: FN-3394