Fulfilled being a false positive

**What got flagged?**
....which could only be fulfilled if Mike could be convinced to…

British English - fulfilled

**Why is this incorrect?**
Fulfilled is a word.

**Example of correct usage:**
I fulfilled the order last Tuesday.

Start by reproducing the quoted sentence in Harper and identify the diagnostic that flags “fulfilled.” Check the diagnostic’s existing tests or add a focused regression case for this usage. Done means this sentence is accepted while genuinely incorrect usages remain detectable.

Written by the indexing model from the issue text.