fix: Naho Eltern + Foto-Layout-Erkennung + Eltern-Fallback-Lookup

tools/import/resolve_import.py

@@ -111,10 +111,15 @@ def main():
     # Index animals for fast lookup by slug ID and by normalized name+dob
     animal_by_id = {a["id"]: a for a in animals}
     animal_by_name_dob = {}
+    animal_by_name = {}
     for a in animals:
         key = (ex.norm_name(a["name"]), ex.norm_dob(a["dob"]))
         if key[0] and key[1]:
             animal_by_name_dob.setdefault(key, []).append(a)
+        nk = ex.norm_name(a["name"])
+        if nk:
+            animal_by_name.setdefault(nk, []).append(a)
+
 
     # 2. Extract and resolve unique Contacts (Breeders & Zuchten)
     print("Extracting unique contacts...")
@@ -163,8 +168,36 @@ def main():
         l_parents = litter_parent_map.setdefault(l_id, [None, None]) # [father, mother]
         
         for p_ref in a.get("parentRefs", []):
-            p_key = (ex.norm_name(p_ref["name"]), ex.norm_dob(p_ref["dob"]))
+            p_dob = ex.norm_dob(p_ref.get("dob", ""))
+            p_key = (ex.norm_name(p_ref["name"]), p_dob)
             p_candidates = animal_by_name_dob.get(p_key, [])
+            if not p_candidates:
+                # Fallback to name-only lookup when parent DOB is empty/not found
+                p_norm = ex.norm_name(p_ref["name"])
+                candidates = animal_by_name.get(p_norm, [])
+                if candidates:
+                    offspring_dob_str = parse_date_only(a["dob"])
+                    if offspring_dob_str:
+                        try:
+                            o_dob = datetime.strptime(offspring_dob_str, "%Y-%m-%d")
+                            valid_candidates = []
+                            for cand in candidates:
+                                cand_dob_str = parse_date_only(cand["dob"])
+                                if cand_dob_str:
+                                    try:
+                                        c_dob = datetime.strptime(cand_dob_str, "%Y-%m-%d")
+                                        if c_dob < o_dob:
+                                            valid_candidates.append(cand)
+                                    except ValueError:
+                                        valid_candidates.append(cand)
+                                else:
+                                    valid_candidates.append(cand)
+                            if valid_candidates:
+                                p_candidates = [valid_candidates[0]]
+                        except ValueError:
+                            p_candidates = [candidates[0]]
+                    else:
+                        p_candidates = [candidates[0]]
             if p_candidates:
                 p_guid = animal_guid_map[p_candidates[0]["id"]]
                 if p_ref["roleGuess"] == "father":