feat(frontends): vault root for the api graph

beaver_agent/frontends.py

@@ -15,7 +15,7 @@ from beaver_gateway.frontends.telegram import Attachments, TelegramFrontend
 from beaver_gateway.frontends.turn_record import slugify
 
 from beaver_agent import texts
-from beaver_agent.vault import ATTACHMENTS, BEAVER, CHATS, TZ
+from beaver_agent.vault import ATTACHMENTS, BEAVER, CHATS, TZ, VAULT
 
 if TYPE_CHECKING:
     from pathlib import Path
@@ -53,7 +53,12 @@ frontends: list[Frontend] = [
     AnthropicMessagesFrontend(),
     McpServerFrontend(),
     AdminFrontend(),
-    ApiFrontend(master_agent=DISPATCHER, branch_agent=DISPATCHER, memory_root=BEAVER),
+    ApiFrontend(
+        master_agent=DISPATCHER,
+        branch_agent=DISPATCHER,
+        memory_root=BEAVER,
+        vault_root=VAULT,
+    ),
     MarkdownFrontend(
         vault_path=CHATS, default_agent=DEEP, log_all_chats=True, chat_path=chat_path
     ),