Era X: the fleet's command chair opens to three vendors at once — Claude, Gemini, GPT — and builds the peer-trust and FinOps ledgers needed to let three tongues earn the fleet's confidence without any one of them grading its own homework. Missions M121 onward.
M122 built the trust ledger clean in five milestones. Then five more missions chased the same bug across the command-center graph before the fleet found the typo underneath it all.
M121-M123: the fleet opened its command chair to three vendors at once — <Term id="claude">Claude</Term>, <Term id="gemini">Gemini</Term>, <Term id="gpt">GPT</Term> — and had to answer, before any of them touched a shared task, how three tongues could earn trust without one of them grading its own homework.