diff --git a/services/api-server/src/api_server/html5.py b/services/api-server/src/api_server/html5.py
index 0e02892..22ce8f4 100644
--- a/services/api-server/src/api_server/html5.py
+++ b/services/api-server/src/api_server/html5.py
@@ -1085,10 +1085,11 @@ def render_html5_symbols(snapshot: SirSnapshot, q: str, project_id: str | None =
     return "".join(_symbol_result(node, project_id) for node in results)
 
 
-def render_html5_symbol_detail(project_id: str, references: object | None) -> str:
+def render_html5_symbol_detail(project_id: str, references: object | None, *, oob: bool = False) -> str:
+    oob_attr = ' hx-swap-oob="outerHTML"' if oob else ""
     if references is None:
         return f"""
-        <div class="symbol-detail" data-html5-symbol-detail>
+        <div class="symbol-detail" data-html5-symbol-detail{oob_attr}>
           <div class="panel-title">Символ</div>
           <p class="muted padded">Выберите результат поиска для server-side definition/references по проекту {escape(project_id)}.</p>
         </div>
@@ -1109,6 +1110,7 @@ def render_html5_symbol_detail(project_id: str, references: object | None) -> st
       class="symbol-detail"
       data-html5-symbol-detail
       data-html5-lineage-id="{escape(lineage_id)}"
+      {oob_attr}
     >
       <div class="panel-title">Символ · {escape(str(kind))}</div>
       <article class="symbol-focus">
diff --git a/services/api-server/src/api_server/main.py b/services/api-server/src/api_server/main.py
index cb27045..3183db3 100644
--- a/services/api-server/src/api_server/main.py
+++ b/services/api-server/src/api_server/main.py
@@ -1768,6 +1768,7 @@ async def html5_project_object_context(project_id: str, object_name: str) -> Res
     runtime = _runtime_for_object_context(project_id, impact)
     knowledge = _knowledge_for_object_context(schema, impact, ui)
     source_node = _source_node_for_object_context(project_id, impact)
+    symbol_references = await project_symbol_references(project_id, schema.object.lineage_id, direction="both")
     object_context = render_html5_object_context(
         project_id,
         schema,
@@ -1782,8 +1783,9 @@ async def html5_project_object_context(project_id: str, object_name: str) -> Res
     )
     flowchart_context = render_html5_flowchart(project_id, flowchart, focus=object_name, oob=True)
     source_context = render_html5_source(source_node, oob=True) if source_node is not None else ""
+    symbol_context = render_html5_symbol_detail(project_id, symbol_references, oob=True)
     return Response(
-        object_context + flowchart_context + source_context,
+        object_context + flowchart_context + source_context + symbol_context,
         media_type="text/html; charset=utf-8",
     )
 
diff --git a/services/api-server/tests/test_api.py b/services/api-server/tests/test_api.py
index 5dc7def..fda668d 100644
--- a/services/api-server/tests/test_api.py
+++ b/services/api-server/tests/test_api.py
@@ -331,6 +331,9 @@ def test_html5_object_context_fragment(tmp_path: Path):
     assert "data-html5-source" in context.text
     assert "ObjectModule.bsl" in context.text
     assert "Соединение = Новый HTTPСоединение" in context.text
+    assert "data-html5-symbol-detail" in context.text
+    assert "Символ · DOCUMENT" in context.text
+    assert "HAS_ATTRIBUTE" in context.text
     assert "1 signals" in context.text
     assert "1 errors" in context.text
     assert "125.0 ms" in context.text