chore: nothing special, subagent enhanced

backend/app/core/nanobot.py

@@ -185,9 +185,8 @@ class NanobotIntegration:
         agent.tools.register(NL2SQLTool())
         agent.tools.register(VisualizationTool())
         agent.tools.register(GetDatabaseSchemaTool())
-        if project_id is not None:
-            agent.tools.register(ListSubagentsTool(project_id=project_id))
-            agent.tools.register(InvokeSubagentTool(project_id=project_id))
+        agent.tools.register(ListSubagentsTool(project_id=project_id))
+        agent.tools.register(InvokeSubagentTool(project_id=project_id))
 
     def _build_provider(
         self,
@@ -357,9 +356,9 @@ class NanobotIntegration:
             
         if project_id is None:
             from app.core.session_alias_store import session_alias_store
-            alias_info = session_alias_store.get_alias(session_id)
-            if alias_info and alias_info.get("project_id"):
-                project_id = alias_info.get("project_id")
+            alias_meta = session_alias_store.get_alias_meta(session_id)
+            if alias_meta and alias_meta.get("project_id") is not None:
+                project_id = alias_meta.get("project_id")
                 
         agent_to_use = self.agent
         need_custom_agent = False

backend/app/core/session_alias_store.py

@@ -173,6 +173,22 @@ class SessionAliasStore:
         alias = row["alias"]
         return str(alias) if alias else None
 
+    def get_alias_meta(self, session_key: str) -> dict[str, Any] | None:
+        with self._connect() as conn:
+            row = conn.execute(
+                "SELECT alias, pinned, archived, project_id FROM session_cache WHERE session_key = ?",
+                (session_key,),
+            ).fetchone()
+        if not row:
+            return None
+        alias = (row["alias"] or "").strip()
+        return {
+            "alias": alias or None,
+            "pinned": bool(row["pinned"]) if "pinned" in row.keys() else False,
+            "archived": bool(row["archived"]) if "archived" in row.keys() else False,
+            "project_id": row["project_id"] if "project_id" in row.keys() else None,
+        }
+
     def delete_session(self, session_key: str) -> None:
         with self._connect() as conn:
             conn.execute("DELETE FROM session_cache WHERE session_key = ?", (session_key,))