FEAT-8c: mark conflict animals in animals.json for the API loader

Adds a machine-readable conflict:bool to each merged animal (true when files
disagree on genotype/farbschlag/death) so the import loader can quarantine the
32 conflicts without parsing the German review report.

tools/import/extract.py

@@ -554,10 +554,14 @@ def dedup(animals):
             "photos": sorted(set(photos)),
             "sourceFiles": sorted(files),
             "mentions": len(grp),
+            # FEAT-8c: machine-readable quarantine marker so the API loader can skip
+            # conflicting records without parsing the German review report.
+            "conflict": False,
         }
         merged.append(out)
         # conflict: same animal, disagreeing genotype or farbschlag or death
         if len(genos) > 1 or len(farb) > 1 or len(deaths) > 1:
+            out["conflict"] = True
             conflicts.append({
                 "id": out["id"], "name": base["name"], "dob": out["dob"],
                 "genotypes": sorted(genos), "farbschlaege": sorted(farb),