Newer clippy lints firing on older code, unrelated to any feature work, but they
made ./script/clippy red on main — which trains everyone to ignore it, and hides
the next real finding.
taskboard: `id` is not read after the event is built, so the clone was dead.
retrieval: hybrid_retrieve takes FnOnce, so the test closure can move its vector
rather than clone it. util: truncate(0) is clear().
All three are semantically identical rewrites, kept in their own commit so a lint
sweep is not mixed into feature review.
Co-Authored-By: Claude Opus 5 <[email protected]>
236913190a