Document workflow scaling and July product updates

[snamber]

Summary

• document workflow dependency groups, fan-out limits, and compact task inputs
• add the July 2026 product update covering Console workflow management, cluster filtering, expanded MCP coverage, timezone-aware Cron schedules, and the official runner image
• include an optimized Console recording of workflow deployment and rollback

Verification

• vale api-reference/python/tilebox.workflows/ExecutionContext.submit_subtask.mdx api-reference/python/tilebox.workflows/ExecutionContext.submit_subtasks.mdx workflows/concepts/tasks.mdx changelog.mdx
• mintlify broken-links
• desktop and mobile Playwright smoke test for /changelog
• git diff --check origin/main...HEAD

[mintlify]

Preview deployment for your docs. Learn more about Mintlify Previews.

Project	Status	Preview	Updated (UTC)
tilebox	🟢 Ready	View Preview	Jul 22, 2026, 3:30 PM

💡 Tip: Enable Workflows to automatically generate PRs for you.

[snamber]

@lukasbindreiter added details on batch submission details (so the agent gets that right) and the product updates for the last weeks, feel free to just merge if it's fine