Replace counter-arguments with possible answers and unify search inputs.

Models, AI assistant, and UI now show diskussionsfertige Antworten without titles; shared search partial fixes aria-label rendering.

Co-authored-by: Cursor <cursoragent@cursor.com>

claims/services/draft_publisher.py

@@ -4,7 +4,7 @@ import uuid
 from django.db import transaction
 from django.utils.text import slugify
 
-from claims.models import Category, Claim, CounterArgument, EvidenceFile, Source, Tag
+from claims.models import Category, Claim, EvidenceFile, PossibleAnswer, Source, Tag
 
 
 class DraftPublishError(Exception):
@@ -72,11 +72,13 @@ def publish_draft(draft):
             description=source.get('description', ''),
         )
 
-    for counter in draft.counter_arguments or []:
-        argument = (counter.get('argument') or '').strip()
-        response = (counter.get('response') or '').strip()
-        if argument and response:
-            CounterArgument.objects.create(claim=claim, argument=argument, response=response)
+    for item in draft.possible_answers or []:
+        if isinstance(item, str):
+            answer = item.strip()
+        else:
+            answer = (item.get('answer') or item.get('response') or '').strip()
+        if answer:
+            PossibleAnswer.objects.create(claim=claim, answer=answer)
 
     if draft.uploaded_file:
         _attach_uploaded_file(draft, claim)