pocketfft's host (gitlab.mpcdf.mpg.de) is down, breaking HEIR builds from scratch

Performance Gap: conv+pool is not fused into one linear operation

CKKS: basis conversion and modulus switching

Special-case `math.exp` approximation

Complexification Optimizations

RNS::ExtractSliceOp is unused

Support 1D convolution in HEIR

Implement CKKS in HEIR

Add a guide for integrating a new backend into HEIR

End-to-end BERT GEMM lowering fails due to layout/packing mismatch in CKKS pipeline