more db fixes

lib/elixir_ai/data/db_helpers.ex

@@ -7,19 +7,23 @@ defmodule ElixirAi.Data.DbHelpers do
   end
 
   def run_sql(sql, params, topic) do
+    original_sql = sql
+    original_params = params
     {sql, params} = named_params_to_positional_params(sql, params)
 
     try do
       result = Ecto.Adapters.SQL.query!(ElixirAi.Repo, sql, params)
 
       # Transform rows to maps with column names as keys
-      Enum.map(result.rows, fn row ->
+      Enum.map(result.rows || [], fn row ->
         Enum.zip(result.columns, row)
         |> Enum.into(%{})
       end)
     rescue
       exception ->
         Logger.error("Database error: #{Exception.message(exception)}")
+        Logger.error("Failed SQL: #{original_sql}")
+        Logger.error("SQL params: #{inspect(original_params, pretty: true)}")
 
         Phoenix.PubSub.broadcast(
           ElixirAi.PubSub,

lib/elixir_ai/data/message.ex

@@ -73,7 +73,7 @@ defmodule ElixirAi.Message do
       $(role),
       $(content),
       $(reasoning_content),
-      $(tool_calls),
+      $(tool_calls)::jsonb,
       $(tool_call_id),
       $(inserted_at)
     )