We classified this failure as an environment issue rather than a code change because the error originates from a stale build artifact in e2e/e2e-utils/dist/esm/index.js — a missing toRuntimePath export — which is entirely unrelated to this PR's @tanstack/router-core optimizations. No e2e files were modified by this PR, and the failing project is outside the set of touched projects.
Self-Healing CI
Classification: Environment state
An empty commit was applied to the branch to trigger a new CI pipeline execution to resolve the environment issue.
The failing task tanstack-react-start-e2e-rsc:test:e2e--rsbuild-ssr--shard-1-of-6 was not classified as a code change for the following reasons:
1. The PR does not touch any e2e-related files. The PR diff contains zero changes to any files under e2e/. The changes are scoped entirely to @tanstack/router-core (static route node construction performance optimizations).
2. The failing project is not in the touched projects list. The touched projects are root and @tanstack/router-core. The failing task belongs to tanstack-react-start-e2e-rsc, which was not modified by this PR.
3. The error is in a pre-built dist artifact, not source code. The error originates from e2e/e2e-utils/dist/esm/index.js — a compiled output file. It reports that toRuntimePath is not exported by ./to-runtime-path.js. This is a build artifact mismatch, indicative of a stale or incorrectly built dist directory in the CI environment.
4. The flakiness rate is 0%. This rules out a flaky_task classification. Combined with the lack of any connection to the PR's changes, the only remaining classification is environment_state.
5. The error does not appear in other branches. The similar-task-failure-detector confirmed this failure is unique to this branch, but since the PR made no changes to the e2e utilities or their build pipeline, the root cause is an environment-level inconsistency (stale dist artifacts) rather than a regression introduced by the PR.