Create src/eq.js exporting deepEqual(a, b). Returns true iff a and b are structurally equal. Must handle: primitives, arrays, plain objects, Date, RegExp, Map, Set, and circular references (return false for distinct cycles, true for self-cycles). Must NOT depend on lodash or node:assert. Test in test.js exercises all cases.
| # | Model | Status | Duration | Tokens | Patch | Failure |
|---|---|---|---|---|---|---|
| 1 | agyexternal | pass | 2m 7s | - | yes | - |
| 2 | agy+MiniMax-M3+deepseek-v4-proconsensus | pass | 2m 7s | 243.4k | - | - |
| 3 | deepseek-v4-prodeepseek | done | 2m 7s | 88.5k | yes | - |
| 4 | MiniMax-M3minimax | done | 2m 7s | 155.0k | yes | - |