nx_segv_log_001.nx

nx_segv_log_001.nx -- NishiLang-native log entry for the 2026-05-13 nxc2 codegen SEGV (root-cause + fix + verification). Per user directive: "log and plan to address the segvs via using our write read etc." Pure-NishiLang log writer using sys_write to specs/segv_log.jsonl. Substrate documents its own incidents. Genealogy: incident_log_lineage + observability_as_native_primitive. Schema (one JSON line): { "id": "...", "kind": "compiler_segv", "discovered_at": "...", "symptom": "...", "trigger": "...", "root_cause": "...", "evidence": "...", "fix": "...", "verification": "...", "files_touched": [...], "regression_test": "...", "lesson": "..." }