Fix celery metrics not reaching Prometheus and update Grafana dashboard

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Init OTel metrics at module level in celery_app.py so prefork child
processes inherit the MeterProvider and PrometheusMetricReader from
the parent.  Previously, worker_process_init created a separate
MeterProvider in each child, disconnected from the HTTP server in
the main process — so all scrape/celery/OCR metrics were silently
lost.

Update Grafana dashboard with API Performance and Frontend Performance
sections, synced from the live cluster dashboard.

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Viktor Barzin 2026-02-22 17:58:20 +00:00

parent bfee06525b

commit 67d4ab3821

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2 changed files with 2510 additions and 250 deletions

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