v1.57.4

What's Changed

• [backport core/1.57] fix: label agent_usage events "Agent Usage" in the Activity table by @comfy-pr-bot in #21837
• [backport core/1.57] test(agent): open a template mid agent turn without load-failure toast (PM-2126) by @comfy-pr-bot in #21845
• [backport core/1.57] fix(agent): recheck funds after an admitted send before showing the out-of-credits card (#21538) by @christian-byrne in #21589
• [backport core/1.57] FE-3366 refactor(workspace): read only is_original_owner when downgrading to personal by @comfy-pr-bot in #21119
• [backport core/1.57] fix(agent): don't report a 409 with no selection as another answer winning by @comfy-pr-bot in #21869
• [backport core/1.57] fix(agent): report a free-text-only answer that won elsewhere by @comfy-pr-bot in #21880
• [backport core/1.57] test(agent): user-story specs — stop survives, output surfaces, failure/stall surfaced, finished-generation preview by @comfy-pr-bot in #21873
• [backport core/1.57] test(load3d): pin docked viewer workspace bounds by @comfy-pr-bot in #21892
• [backport core/1.57] fix(agent): preserve links in ask-user answers by @comfy-pr-bot in #21909
• [backport core/1.57] fix(agent): gate canvas-affecting claims on observed canvas state (PM-1343, PM-1996, PM-1586) by @christian-byrne in #21918
• 1.57.4 by @comfy-pr-bot in #21907
• [backport core/1.57] Defer agent onboarding coach while a global dialog is open by @christian-byrne in #21954

Full Changelog: v1.57.3...v1.57.4