unify how agents discover skills (#47)

Simplify some SIMD operations (#46)

Add SIMD vector math benchmark

refactor: rename `invokeInitExpression` to `invokeExpression` and update all call sites.

refactor: remove redundant non-negative index check for `index` in `vm.go`.

remove more type conversions

use uint64 as indexes to avoid pointless conversions

infline getFunction

simplify error returns in validation.go and fix comment typo in wasi_sys_unix.go

remove unused argument from `moduleInstance.Invoke` call in `vm_test.go`.

touch up errors (#44)

Implement Instruction Fuel (Gas) Mechanism (#40)

Improve benchmark comparisons stability (#43)

Fix sorting benchmark state persistence and increase data size (#42)

Clarify symlink resolution comments and add intermediate file blocking test (#41)