Label replicated worker series as “Pholid Worker N” in container CPU/memory panels

[Copilot]

Summary

Container CPU/Memory panels were showing raw Docker Compose container names for worker replicas (e.g. {name="...flamenco-worker-1"}), which made legends noisy and inconsistent with worker-specific panels. This updates legend labeling so worker replicas render as Pholid Worker 1/2.

Changes

• Container Memory Usage panel
  • Extended label_replace chain to map worker replica names to friendly labels.
• Container CPU Usage panel
  • Applied the same worker mapping for CPU series to keep naming consistent.
• No scope expansion
  • Only the two Grafana panel expressions were updated.

label_replace(
  ...,
  "display_name", "Pholid Worker 1", "name", ".*pholid.*flamenco-worker-1.*"
)

Affected areas

• Upload / render form
• Live sessions panel
• Previous jobs panel
• Metrics / Grafana tab
• Theme system
• Modals
• Header / navigation
• CSS / layout
• JavaScript modules

Screenshots

Before/after available in the issue discussion image reference.

Theme testing

• Light
• Dark
• High Contrast
• Midnight

Checklist

• Tested in browser
• No hardcoded colors (use CSS variables)
• No inline styles where a CSS class would do
• JS events use pholid: namespace prefix

[Copilot]

Pull request overview

Updates the Grafana “Pholid Render Farm” dashboard so container CPU/Memory series for Flamenco worker replicas display friendly legend names (“Pholid Worker N”) instead of raw Docker Compose container names.

Changes:

• Added worker-replica name → display label mapping in the Container Memory Usage PromQL expression.
• Added the same worker-replica mapping in the Container CPU Usage PromQL expression to keep legends consistent.

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