fix(proxy): stamp snake_case project and request fields on proxy logs - #4601
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Proxy log lines only carried camelCase projectId, requestId and traceId, while the runtime and the API stamp project_id, request_id and trace_id. A single Loki filter could not scope proxy lines to a project, so the project Logs API needed a proxy-specific matcher. Emit the snake_case fields next to the existing camelCase ones, which stay for current dashboards, and move JSON line building into formatProxyJsonLine so it can be tested without process state.
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Navigate logical layers of code changes, visualize relationships, and explore their blast radius. 📝 WalkthroughWalkthroughSigned control-plane requests now expose a matched run ID in proxy request context. Proxy JSON log entries include available request fields in snake_case while retaining camelCase fields. ChangesRun ID propagation
Priority: ⬇️ Low Estimated code review effort: 3 (Moderate) | ~20 minutes Change: Bug fix Sequence Diagram(s)sequenceDiagram
participant processRequest
participant controlPlaneRunIdFromPath
participant forwardToServer
participant runWithProxyRequestContext
processRequest->>controlPlaneRunIdFromPath: Match signed request method and pathname
controlPlaneRunIdFromPath-->>processRequest: Return matched run ID or undefined
processRequest-->>forwardToServer: Return proxy context with run ID when present
forwardToServer->>runWithProxyRequestContext: Pass run ID in request context
Merge Risk: 🔵 Low · up to Signed run requests that fail because no release is active cannot be correlated by run ID in proxy error logs. This is a bounded logging gap that can be fixed before merge or accepted for follow-up. Security Architecture ReviewSecurity architecture risk: 🔵 Low · up to The new log field appears limited to signed control-plane requests and does not appear to change which requests the proxy accepts. The signing control and its production configuration have not been fully verified, so the assessment is not risk-free. Retained concerns Security review detailsSecurity Blast Radius
Trust Boundaries and Controls
Resilience and Maintainability Implications
🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
✨ Finishing Touches 💡 1📝 Generate docstrings 💡
🧪 Generate unit tests (beta)
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Review score: 90/100 — good, minor suggestionsSmall, well-scoped fix that stamps snake_case project/request fields on proxy log lines to match the runtime and API loggers, addressing a real observability gap (proxy lines were unscopable by Strengths
Minor suggestions (non-blocking)
Given the size (2 files, ~100/27 lines), isolated blast radius (only Generated by Claude Code |
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The proxy logs every run-stream request, but its lines carried no run identifier, so the Logs API could not correlate them with the runtime and API lines of the same run. The run id is read from the matched run route only when the control-plane signature, which covers the method and path, verified the request.
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Codex Review: Didn't find any major issues. Nice work! Reviewed commit: ℹ️ About Codex in GitHubCodex has been enabled to automatically review pull requests in this repo. Reviews are triggered when you
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Actionable comments posted: 1
- 🪄 Fix CodeRabbit comments on this PR
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Inline comments:
In @src/proxy/handler.ts:
- Around line 1311-1313: In processRequest, extract runId immediately after
signed project binding succeeds, before the no-active-release early return, and
include it in error contexts returned after that point so signed run-request
errors retain run_id.
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📒 Files selected for processing (7)
src/channels/control-plane-routes.test.tssrc/channels/control-plane-routes.tssrc/proxy/handler.test.tssrc/proxy/handler.tssrc/proxy/logger.test.tssrc/proxy/logger.tssrc/proxy/main.ts
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1 participant
Problem
The project Logs API has to return proxy lines for a project, next to runtime and API lines. The runtime logger and the API logger both stamp
project_id,project_slug,request_idandtrace_id. The proxy logger only stamps camelCaseprojectId,projectSlug,requestIdandtraceId. Because of that, one Loki filter such as| json | project_id="…"cannot scope proxy lines, andtrace_idorrequest_idlookups miss proxy lines.In production,
veryfront-proxylines foragentic-email-processing-outlookover 2026-09-19 to 2026-09-26 carriedprojectId425 times andproject_id0 times.Root cause
src/proxy/logger.tsbuilds its JSON line by hand and never adopted the snake_case fields thatsrc/utils/logger/logger.tsemits.Fix
project_id,project_slug,request_id,trace_id,span_id,release_id,branch_idandbranch_name. The values come from the same request context: the project the proxy resolved from the request domain.@deprecatedas in the runtime logger, because current dashboards and the veryfront-api matcher still useprojectId.formatProxyJsonLine, so the test can cover it without changing environment variables orconsole.log.Tests
deno test --no-check --allow-env --allow-read src/proxy/logger.test.tspasses. It checks the snake_case fields inside a project request, and that no project fields appear outside one. The field assertions failed before the change.deno test -A --no-check src/proxy/: the same 10 failures happen with and without this change. They are environment-dependent tests that already fail locally.deno fmt --check,deno lintanddeno checkon the changed files all pass.deno task lint:testing-front-doorpasses.TEST_SEMANTIC_AUDIT_BASE_REF=origin/main deno task lint:test-semantic-dispositionspasses (audit ok).Related
Pairs with veryfront/veryfront-api#5211, which makes the project Logs API select runtime, API and proxy lines by their trusted project field. That PR works before and after this change ships.
Follow-up: run_id on run requests (54b6389)
Proxy lines for run-stream requests had no run identifier, so the Logs API
run_idfilter (veryfront/veryfront-api#5211) could not find them. The proxy now stampsrun_idfrom the run route:POST /api/control-plane/runs/{runId}/(execute|stream|resume)orDELETE /api/control-plane/runs/{runId}, parsed bycontrolPlaneRunIdFromPathnext to the existing route patterns. It does this only when the control-plane signature verified the request, and that signature covers the method and path. Unsigned or rejected requests get norun_id.Tests:
deno task test:filepasses forsrc/proxy/handler.test.ts(75 steps),src/proxy/control-plane-signature.test.ts,src/proxy/logger.test.tsandsrc/channels/control-plane-routes.test.ts. The new logger tests also cover the context/error branches that Sonar flagged as uncovered.deno fmt,deno lint,deno check,lint:testing-front-doorandlint:test-semantic-dispositionsall pass.Part of veryfront/veryfront-issue-inbox#1869
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