[dezren39]

Refs #257 — Option A (queue task 1121).

The id e2e nightly's full nix flake check intermittently dies with No space left on device while the big derivations build (#257).

Change (.github/workflows/id-e2e-nightly.yml only):

• df -h telemetry before the reclaim, after the reclaim (before the check), and after the check (if: always()) — a recurrence is diagnosable at a glance.
• Reclaim step before the check removing preinstalled toolchains/SDKs this job never uses: /usr/share/dotnet, /usr/local/lib/android, /opt/ghc, /opt/hostedtoolcache/CodeQL, plus docker image prune --all --force — the standard free-disk-space recipe from CI: nix flake check intermittently dies with 'No space left on device' in id-test/id-ci #257 (~20–30 GB on ubuntu-latest).

Out of scope (per packet): matrix-splitting the nightly (Option B), larger runners (Option C), shared target dir (Option D), and any PR-gate workflow — untouched.

Verification: YAML validated (yaml.safe_load). A workflow_dispatch run of this workflow on this branch is the acceptance test (telemetry visible in the log, no failures attributable to the reclaim step); the task parks awaiting that run and merges on resume if it passes.

Queue task 1121.

---

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[chatgpt-codex-connector]

Codex Review Summary

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Review	Status	Commit	Review trigger
📝 Code Review	🔄 Running since 2026-10-26T19:26:07.975637Z	dd919de	PR opened

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[dezren39]

🤖 Agent note · parked

• Agent: queue worker (repo-worker-code)
• Session / ID: queue task 1121, cron repo-queue-worker-shift 2026-10-26 14:26 CDT
• Found via: queue claim
• Task: Parked awaiting CI: PR ci(id-nightly): disk telemetry + reclaim step before flake check (#257) #1005 opened (head dd919de) and nightly dispatched on the branch — run 40386711048. Verified live: "Disk space before reclaim", "Reclaim disk space", and "Disk space after reclaim (before check)" steps all completed/success; full flake check now in progress.
• Expectation: resume = check run 40386711048; if it completes with telemetry visible and no failures attributable to the reclaim step, merge PR ci(id-nightly): disk telemetry + reclaim step before flake check (#257) #1005, close CI: nix flake check intermittently dies with 'No space left on device' in id-test/id-ci #257, complete task 1121.
• Links: PR ci(id-nightly): disk telemetry + reclaim step before flake check (#257) #1005 · run https://github.com/developing-today/code/actions/runs/40386711048