feat(cloudflare): add telemetry collection and /metrics endpoint#400

Merged

vahidlazio merged 36 commits into

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feat/cloudflare-telemetry-analytics-engine

May 13, 2026

Commits on May 12, 2026

feat(cloudflare): add telemetry collection and /metrics endpoint

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fix: await KV puts, guard malformed BucketSpan offsets, add tests

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chore: sync WASM module for Go provider

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fix: satisfy strict clippy lints in accumulate_delta

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style: fix rustfmt line length in accumulate_delta

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chore: re-sync WASM module for Go provider after fmt fix

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fix: aggregate telemetry deltas in flag_logger::aggregate_batch

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fix(cloudflare): address PR review feedback

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fix: resolve clippy redundant closure warning
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perf(cloudflare): replace Reflect with web-sys typed bindings for performance.now()

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docs: explain why js_sys::global() cast is needed for WorkerGlobalScope

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feat(cloudflare): source resolve latency from CF analytics API

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fix(cloudflare): fix histogram bucket overflow and distribution rounding

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fix(cloudflare): handle single-request analytics data points

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feat(cloudflare): rate-limit CF analytics queries to minimum 10s intervals

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refactor(cloudflare): use cursor datetime for rate-limiting instead of extra KV key

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feat(cloudflare): include CF analytics latency in WriteFlagLogsRequest

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feat: add SDK_ID_CLOUDFLARE_RESOLVER (25) to SdkId enum

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fix(cloudflare): set resolver_version in telemetry data

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fix(cloudflare): address PR review findings

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feat(cloudflare): use cached percentiles for continuous latency telemetry

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feat(cloudflare): measure resolve latency inline via scheduler.wait(0)

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refactor(cloudflare): remove CF GraphQL analytics dependency

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chore(cloudflare): clean up after GraphQL removal

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chore: re-sync WASM module for Go provider after rebase

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fix(cloudflare): address review comments (#6-#9)

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docs(cloudflare): add telemetry docs and DISABLE_METRICS option

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docs(cloudflare): clarify backend telemetry is independent of DISABLE_METRICS

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docs(cloudflare): remove Grafana references from deployer docs

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docs(cloudflare): link KV pricing in metrics docs

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