fix: include script field in task snapshot for current_tasks.json

The task snapshot mappings in index.ts were omitting the script field,
making it appear that scheduled tasks had no script even when one was
stored in the database.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/index.ts

@@ -329,6 +329,7 @@ async function runAgent(
       id: t.id,
       groupFolder: t.group_folder,
       prompt: t.prompt,
+      script: t.script || undefined,
       schedule_type: t.schedule_type,
       schedule_value: t.schedule_value,
       status: t.status,
@@ -685,6 +686,7 @@ async function main(): Promise<void> {
         id: t.id,
         groupFolder: t.group_folder,
         prompt: t.prompt,
+        script: t.script || undefined,
         schedule_type: t.schedule_type,
         schedule_value: t.schedule_value,
         status: t.status,