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The ask was a surface AND a path. The path is the part that was missing — everything that could answer "is it running" lived inside Settings, which you only open once you already suspect something. **Re-used the indicator that already existed rather than adding a fourth.** There were three partial surfaces: TopNav's health dot, PipelineStatusChip's pulse, and the Settings Activity tab. None answered "is every part alive", and a fourth would have made the question harder to answer, not easier. TopNav's dot read /api/health — a no-DB liveness check proving only that the WEB container is serving. Green there while a worker was dead is exactly what it looked like, and a green dot beside the product name gets read as "everything is fine". It now reflects the whole-stack verdict, and it is a link: the place someone already looks when they suspect something is now also the way to the detail. The tooltip names the actual problem. "Scheduler has not checked in for 6 min" sends someone somewhere; "something is unhealthy" sends them hunting. /system is deliberately NOT in the nav row — TopNav builds that from routes with a meta.title, and a sixth top-level tab for a page visited twice a year costs more attention than it returns. It is reached from the dot. The page lists every learned part with its state as a sentence rather than a chip, and prints the staleness thresholds it was judged by, taken from the endpoint so the UI keeps no second copy of them. PipelineStatusChip still hand-rolls its own 3-minute scheduler window; that is now a duplicate of a threshold the server owns, and worth collapsing once this has been watched working. The stores stay separate on purpose: system.js is "can I reach the API", systemActivity.js is "what is the pipeline doing", systemHealth.js is "is anything broken". Running and alive fail independently — an idle stack with a dead worker looks identical to a healthy one on every activity surface, which is the whole reason this milestone exists. Not yet verified against a real stopped service. Rule 12 keeps a local stack out of it, and frontend CI has no Vue type-check or visual regression, so this needs an operator look rather than a green lane. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01TTjbZZ6JirCMSaJzQV1RhA