大規模履歴向けread_messages pagination対応

1 files changed, 19 insertions, 1 deletions

diff --git a/src/mcp/tools/common/context.c b/src/mcp/tools/common/context.c
index 1a469e0..d79b5de 100644
--- a/src/mcp/tools/common/context.c
+++ b/src/mcp/tools/common/context.c
@@ -42,8 +42,11 @@ tiny_mcp_tools_context_new(tiny_store_t *store)
     }
   context->store = store;
   context->search_index = tiny_mcp_tools_build_search_index(store);
-  if (!context->search_index)
+  context->history_index = tiny_history_index_build(store);
+  if (!context->search_index || !context->history_index)
     {
+      tiny_search_index_free(context->search_index);
+      tiny_history_index_free(context->history_index);
       free(context);
       return NULL;
     }
@@ -58,6 +61,7 @@ tiny_mcp_tools_context_free(tiny_mcp_tools_context_t *context)
       return;
     }
   tiny_search_index_free(context->search_index);
+  tiny_history_index_free(context->history_index);
   free(context);
 }
 
@@ -86,3 +90,17 @@ tiny_mcp_tools_context_current(void)
 {
   return active_context;
 }
+
+bool
+tiny_mcp_tools_ensure_history_index(tiny_mcp_tools_context_t *context)
+{
+  if (!context)
+    {
+      return false;
+    }
+  if (!context->history_index)
+    {
+      context->history_index = tiny_history_index_build(context->store);
+    }
+  return context->history_index != NULL;
+}