{
    "taxonomyDate":  "2026-04-18",
    "scope":  "post-roadmap-real-sample-mismatch-taxonomy",
    "codes":  [
                  {
                      "code":  "archetype_mismatch",
                      "category":  "semantic",
                      "description":  "The generated scene resolves to the wrong archetype for the real sample."
                  },
                  {
                      "code":  "bootstrap_mismatch",
                      "category":  "runtime",
                      "description":  "Bootstrap target or expected domain does not match the real sample operating surface."
                  },
                  {
                      "code":  "request_contract_missing",
                      "category":  "contract",
                      "description":  "Request-side contract is not recovered well enough for real execution."
                  },
                  {
                      "code":  "column_defs_missing",
                      "category":  "contract",
                      "description":  "Output-column semantics remain missing or unstable for the real sample."
                  },
                  {
                      "code":  "evidence_not_closed",
                      "category":  "contract",
                      "description":  "The sample is recognized but evidence does not close into a runnable contract."
                  },
                  {
                      "code":  "selected_not_run",
                      "category":  "process",
                      "description":  "The sample is mapped into validation scope but has not yet been executed as a real run."
                  }
              ]
}