fix(metrics): clone fasthttp method before Prometheus labels - #122
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Unsafe Fiber/fasthttp Method() views were stored in http_* metric labels; buffer reuse turned GET into GETT and made /metrics gather fail with duplicate series, keeping platform_up at 0.
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Method()strings were stored as Prometheus label values without cloning; buffer reuse corruptedGETintoGETTand made/metricsfail gather with duplicate series.http_requests_total/http_request_duration_seconds, socafe-discovery-apistays scrapeable andplatform_upcan go back to 1.