DuckFlight core 0.1.10

Adds session-aware parsing for semantic SQL extensions, preserves catalog export row results, and supports Psycopg prepared-statement cleanup with DEALLOCATE ALL. Standard catalog discovery preserves unknown field types when a semantic source cannot bind.

These compiled core payloads target DuckDB 1.5.6 on Linux and macOS, on AMD64 and ARM64. Verify downloads against SHA256SUMS. The attached MIT license applies to the compiled binaries; private core source is not published.