fix(library): dir=all = union de made+received (page partagée nominale visible dans Tous)

tests/test_sharing.py

@@ -259,6 +259,17 @@ def test_library_shared_dir_all_is_union(client):
     assert a in ids
 
 
+def test_library_shared_dir_all_includes_private_shared_made(client):
+    _auth(client, user_id=1, login="owner")
+    with get_conn_ctx() as conn:
+        a = _make_page_with(conn, "Private Shared A")
+    client.post(f"/api/pages/{a}/share", json={"user_id": 2, "permission": "comment"})
+
+    all_items = client.get("/api/library/shared").json()["items"]
+    ids = [it["id"] for it in all_items]
+    assert a in ids, "privately-shared page must appear in 'all' (union made+received)"
+
+
 def test_library_shared_invalid_dir_falls_back_to_all(client):
     _auth(client, user_id=1, login="owner")
     with get_conn_ctx() as conn: