- Created membrane-agent/ Rust crate structure
- Implemented qvl_ffi.rs: Safe Rust FFI wrapper around Zig QVL C ABI
- QvlClient with RAII semantics (init/deinit)
- Safe wrappers: get_trust_score, verify_pop, detect_betrayal, add/revoke edges
- AnomalyScore, PopVerdict enums
- Created main.rs: Minimal daemon stub
- Created Cargo.toml, build.rs for future Zig library linking
Blocker: build.zig static library target (Zig 0.15.2 API incompatibility)
- addStaticLibrary/addSharedLibrary don't exist in this Zig version
- LibraryOptions API changed (no .kind, .root_source_file fields)
- Deferred to next session: either upgrade Zig or use manual object linking
All Zig FFI tests passing (173/173). Rust compiles but can't link yet.