Corey Hahn
1fcdc1dd89
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Re-hardened wrapper with chipfoundry-cli (LibreLane) per contest item #3. Macro ldpc_decoder_top unchanged (Run 6 / antenna_iterative golden) — wrapper config has SYNTH_ELABORATE_ONLY=true and reuses macro as a hardened black box. Results vs wrapper_v4 baseline: setup violations: 3402 → 0 hold violations: 13006 → 0 antenna nets: 1179 → 23 Magic + KLayout DRC: clean power-grid: clean LVS pin-match: 208 (cosmetic, vssd2 + constant-tied outputs) Verification: cf precheck: 17/19 pass (FEOL SIGSEGV + LVS pin-match pre-existing accepted) cf verify ldpc_basic --sim gl: PASS (GPIO=0xAB, decode success) GDS/DEF/SPEF kept local for cf push. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>