Fix the memory leak in EventEmitter. The issue: off() is called with a NEW function reference instead of the original listener, so the listener is never removed. Fix src/emitter.js so listeners are properly removed. Do NOT change test.js.
| # | Model | Status | Duration | Tokens | Patch | Failure |
|---|---|---|---|---|---|---|
| 1 | defaultinternal | pass | 25.8s | 33.3k | yes | - |