Separate urine nitrification graph function from distinct reactor benchmarks #1909

Finding

CommunityMech:000117: the ammonium-fed two-nitrifier salt challenge (R1) and urine-fed five-member reactor (R2) are separate experiments. Keep ureolysis-to-nitrification and nitrate outcome arrows without presenting R1 tolerance as a measured R2 condition. Make all five outcome participants explicit and distinguish reactor and batch rates. The space-fertilizer sentence is motivation, not demonstrated spaceflight or fertilizer readiness. Preserve canonical ammonia-oxidation GO label.

Sources And Limits

https://pubmed.ncbi.nlm.nih.gov/31623889/

Whole canonical records and graph snippets read; fresh primary identity/abstract checks for all four. Tropidoatractus and Variovorax main-body XML including methods, results, discussion and captions read; no original figure-pixel, supplementary-file or raw-data audit. Tribromophenol and urine repairs are final-publication abstract-bounded. Published urine full text is institutional-access restricted; a public earlier thesis chapter was identified but not read or substituted for the final publication. No access bypass, new full-body cache import or exhaustive literature search claim.

Fresh all-state issue title/body dedup found no exact-system match; broader enum issue #749 was separately read and is not duplicated. Local hidden/ignored-inclusive path search excludes .git, docs, site, reference caches and .env; not a historical PR-comment audit.

Lifecycle

Address in batch117; close only after protected-main merge. Self-adversarial review is not independent approval.