Issue observed in python with library libsql 0.1.11. Without the delete both rows are reliably returned by vector_top_k, it doesn't seem like an insert doing an overwrite, more like a too-broad delete ...

penberg@vonneumann libsql % cargo run --example offline_writes warning: libsql-ffi@0.5.0: bundled/src/sqlite3.c:85489:9: warning: 'ALIGN' macro redefined [-Wmacro ...