fix: set created_by automatically on MediaWiki import

- Added imported_by parameter to _run_import and _upsert_exercise
- Exercises now automatically get created_by set to importing user
- Fixes visibility issue where imported exercises were invisible

Related: Wiki import - exercise visibility fix

backend/routers/import_wiki.py

@@ -172,6 +172,7 @@ async def execute_import(
         reimport=body.reimport_existing,
         dry_run=body.dry_run,
         limit=body.limit,
+        imported_by=profile_id,
     )
 
     return {
@@ -269,6 +270,7 @@ async def _run_import(
     reimport: bool,
     dry_run: bool,
     limit: Optional[int],
+    imported_by: int,
 ):
     """Hintergrund-Task: Importiert alle Seiten einer Kategorie."""
     client = SmwClient()
@@ -350,7 +352,7 @@ async def _run_import(
             # Speichern
             try:
                 if import_type == "exercise":
-                    local_id = _upsert_exercise(mapped, reimport)
+                    local_id = _upsert_exercise(mapped, reimport, imported_by)
                 elif import_type == "skill":
                     local_id = _upsert_skill(mapped, reimport)
                 else:
@@ -445,7 +447,7 @@ def _update_log(
         conn.commit()
 
 
-def _upsert_exercise(mapped: dict, reimport: bool) -> Optional[int]:
+def _upsert_exercise(mapped: dict, reimport: bool, created_by: int) -> Optional[int]:
     """Legt Übung an oder aktualisiert sie (wenn reimport=True)."""
     import json as _json
 
@@ -486,8 +488,8 @@ def _upsert_exercise(mapped: dict, reimport: bool) -> Optional[int]:
                 """INSERT INTO exercises
                    (title, summary, goal, execution, preparation, trainer_notes,
                     duration_min, duration_max, group_size_min, group_size_max,
-                    equipment, visibility, status, import_source, import_id)
-                   VALUES (%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s)
+                    equipment, visibility, status, import_source, import_id, created_by)
+                   VALUES (%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s)
                    RETURNING id""",
                 (
                     mapped.get("title"), mapped.get("summary"), mapped.get("goal"),
@@ -499,6 +501,7 @@ def _upsert_exercise(mapped: dict, reimport: bool) -> Optional[int]:
                     mapped.get("status", "draft"),
                     "mediawiki",
                     mapped.get("import_id"),
+                    created_by,
                 )
             )
             ex_id = cur.fetchone()['id']