Every live Morpho Midnight fixed-rate, fixed-term book on Base: marketId, tokens, LLTV, oracle, maturity, and both sides

Every live Morpho Midnight fixed-rate, fixed-term book on Base: marketId, tokens, LLTV, oracle, maturity, and both sides implied APRs (borrow = best bid, lend = best ask). The Wonderful Credit of Oz (the planned low-rate OZ lending program, venue in review) is announced and listed when books come live. The input universe for /v1/tx/fixed. GET /v1/loan/fixed.