Fixed stale monorepo working-directory paths in CI workflows, resolved all clippy -D warnings across the workspace, and applied rustfmt; Phase 1 inventory and Phase 2 history draft committed as cleanup prep.
v1.8.22026-06-30
·bench-validation.yml and release.yml had working-directory: fossic from a prior monorepo layout — removed; all CI jobs now target repo root
·Clippy -D warnings resolved: is_some_and, collapsible if-let, derive(Default) on SnapshotPolicy, too_many_arguments allows, PyO3 explicit from_py_object impls on PyTruncationCursor and PySamplingMode
·cargo fmt applied across all five workspace crates; cleanup/01-inventory.md and cleanup/02-history-draft.md committed alongside CI fixes