Nausicaa is a ledger-driven, Team-first runtime for agent > topologies. Main coordinates Team and Worker lanes through A2A, with recoverable tasks and auditable state. Its innovation is Teto: a Main- > owned sensing lane with its own context and cadence. Teto observes execution and surfaces blind spots, repeated loops, stalled progress, > contradictions, and better directions at safe boundaries. Open source, MIT, beta.