Initial public ModelForge release

docs/operations/RUNBOOK_GATEWAY_ERRORS.md

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+# Runbook: gateway errors or capability unavailable
+
+## Trigger
+
+`GATEWAY_ERROR_RATE`, `CAPABILITY_UNAVAILABLE`, a breached gateway SLO or fast burn.
+
+## Diagnose
+
+Check valid population, sample minimum, short/long burn, capability, priority and bounded failure
+class. Separate authentication/rate-limit rejection from runtime, queue, scheduler and node failure.
+Use correlation IDs in structured logs; metrics contain no request content.
+
+## Act and recover
+
+Acknowledge without marking the SLO healthy. Stop unsafe LAB traffic if it is the source; do not
+change production routing, model identity or project binding without M12 authority. Confirm a later
+rolling-window evaluation, normal request outcomes and explicit alert resolution. For
+`rag.embedding@1`, verify the ExampleRAG Ollama baseline remains unchanged.