feat(migration): implement offline-resolved database-ready ingestion, fix circular FKs, duplicate contacts and parser scanning bugs

tools/import/extract.py

@@ -217,7 +217,7 @@ def extract_stammbaum(path):
             # full block: name above, farbschlag/genotype/breeder below
             dob, death, geno0 = parse_detail(t)
             name = ""
-            for rr in range(r - 1, r - 4, -1):
+            for rr in range(r - 3, r):
                 if (c, rr) in cells and not re.match(r"^\*?\s?\d", cells[(c, rr)]) \
                         and not gt.looks_like_genotype(cells[(c, rr)]):
                     name = clean_name(cells[(c, rr)])