Add HTML5 authoring completion preview

services/api-server/tests/test_api.py

@@ -112,6 +112,9 @@ def test_html5_server_rendered_project_editor(tmp_path: Path):
     assert f'hx-get="/html5/projects/{project_id}/report"' in editor.text
     assert "data-html5-review" in editor.text
     assert f'hx-get="/html5/projects/{project_id}/review"' in editor.text
+    assert "data-html5-authoring-preview" in editor.text
+    assert "data-html5-authoring-preview-form" in editor.text
+    assert f'hx-post="/html5/projects/{project_id}/authoring/completion-preview"' in editor.text
     assert "data-html5-authoring-changes" in editor.text
     assert f'hx-get="/html5/projects/{project_id}/authoring/changes"' in editor.text
     assert 'hx-get="/html5/projects/' in editor.text
@@ -2275,6 +2278,24 @@ def test_authoring_context_and_completion_preview(tmp_path: Path):
     assert any(check["name"] == "apply" and check["status"] == "BLOCKED" for check in preview_payload["checks"])
     assert preview_payload["semantic_diff"][0]["kind"] == "ADD"
 
+    html5_preview = client.post(
+        f"/html5/projects/{project_id}/authoring/completion-preview",
+        data={
+            "object_name": "Документ.ЗаказПокупателя",
+            "routine_name": "Проведение",
+            "cursor_line": "3",
+            "source_text": source_text,
+            "intent": "fill-check",
+        },
+    )
+    assert html5_preview.status_code == 200
+    assert "text/html" in html5_preview.headers["content-type"]
+    assert "data-html5-authoring-preview-result" in html5_preview.text
+    assert "ЗначениеЗаполнено(Контрагент)" in html5_preview.text
+    assert "BLOCKED" in html5_preview.text
+    assert "ADD" in html5_preview.text
+    assert "<html" not in html5_preview.text
+
     diff_preview = client.post(
         f"/projects/{project_id}/authoring/semantic-diff-preview",
         json={