Render, validate, and hand off generic Splunk Observability Cloud Browser RUM and Session Replay setup for web applications outside the Kubernetes injection path, including CDN snippets, npm/TypeScript initialization, Next.js/Vite/ Webpack source-map upload helpers, CSP headers, Session Replay privacy controls, RUM-to-APM Server-Timing trace linking validation, and dashboard or detector handoffs. Use when the user asks for Splunk Browser RUM, JavaScript RUM, @splunk/otel-web, source maps, frontend Session Replay, DXA prerequisites, or non-Kubernetes browser instrumentation.