feat(vmcp): add auth-retry with circuit breaker to BackendClient #9718

Job	Run time
Security Scan / Trivy Repository Scan	20s
Helm Charts / Lint and Test Helm Charts	5m 25s
Codegen / Verify Code Generation	58s
License Headers / Check License Headers	19s
Security Scan / Trivy Configuration Scan	15s
Security Scan / Go Vulnerability Check	1m 17s
Spellcheck / Codespell	10s
Tests / Test Go Code (ubuntu-8cores-32gb)	3m 9s
Linting / Lint Go Code	1m 28s
Docs / Verify Swagger Documentation	2m 41s
E2E Tests / Build ToolHive Binary	1m 52s
Operator CI / Operator Tests	2m 9s
Operator CI / Generate CRDs	43s
Operator CI / Generate CRD Docs	47s
Operator CI / Build Operator	1m 12s
Operator CI / E2E Tests Operator (kindest/node:v1.34.3)	6m 44s
Build Skills / Build and Publish Skills	2m 11s
Operator CI / Operator Tests Integration	3m 6s
Operator CI / E2E Tests Operator (kindest/node:v1.33.7)	6m 34s
Operator CI / E2E Tests Operator (kindest/node:v1.35.1)	6m 28s
E2E Tests / E2E Tests Core (middleware)	3m 51s
E2E Tests / E2E Tests Core (mcp-protocol)	5m 48s
E2E Tests / E2E Tests Core (core)	4m 37s
E2E Tests / E2E Tests Core (api-misc)	1m 52s
E2E Tests / E2E Tests Core (api-workloads)	3m 30s
E2E Tests / E2E Tests Core (proxy)	5m 24s
E2E Tests / E2E Tests Core (api-clients)	2m 12s
E2E Tests / E2E Tests Core (mcp-run)	2m 47s
E2E Tests / E2E Tests Core (api-registry)	1m 53s
	1h 19m 42s

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