refactor: remove todo tool (#35989)

packages/core/src/session/sql.ts

@@ -101,25 +101,6 @@ export const PartTable = sqliteTable(
   ],
 )
 
-export const TodoTable = sqliteTable(
-  "todo",
-  {
-    session_id: text()
-      .$type<SessionSchema.ID>()
-      .notNull()
-      .references(() => SessionTable.id, { onDelete: "cascade" }),
-    content: text().notNull(),
-    status: text().notNull(),
-    priority: text().notNull(),
-    position: integer().notNull(),
-    ...Timestamps,
-  },
-  (table) => [
-    primaryKey({ columns: [table.session_id, table.position] }),
-    index("todo_session_idx").on(table.session_id),
-  ],
-)
-
 export const SessionMessageTable = sqliteTable(
   "session_message",
   {