ci: add top-level lane field to conda_avail/conda_avail_gate NDJSON rows

[mixmansoundude]

Summary

Follow-up to #397 (already merged), addressing a CodeRabbit finding that landed after that PR's own CI run had already started (so it's shipping as its own small commit rather than being squeezed into an already-in-flight run, same pattern as #395/#396).

• HP_CI_LANE is documented to tag every NDJSON row via a top-level lane field, and every other row emitted in this job already does this (confirmed directly against a real conda-full artifact from ci: wire conda_avail gate to 27 conda-full self-tests + loud tripwire #397's own merge run). The two new diag.conda.available/diag.conda.available.gate row shapes introduced by ci: wire conda_avail gate to 27 conda-full self-tests + loud tripwire #397 omitted it.
• Added lane = $env:HP_CI_LANE to all four manually-constructed row shapes (the diag.conda.available row, and the skip/pass/fail shapes of diag.conda.available.gate), and removed the now-redundant lane key that had been nested under details in the skip shape.

Pure additive/consistency fix -- no logic change, no behavior change to the gate or tripwire themselves.

Test plan

• python -m compileall -q .
• python -m pyflakes .
• python tools/check_delimiters.py run_setup.bat
• markdownlint-cli2 CLAUDE.md (clean, only the expected permanent baseline finding)
• python -m yamllint .github/workflows/
• actionlint -oneline .github/workflows/*.yml
• Repo-wide ASCII sweep -- clean
• PowerShell AST parse sweep (tests/.ps1, tools/.ps1)
• python -m pytest tests/test_*.py -q (437 passed, 2 skipped)
• Full tools/run_sanity_sweep.sh run, all checks OK

Claude-Session: https://claude.ai/code/session_015xbWLPbiaKVsobB9FZy8kS

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ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: ASSERTIVE

Plan: Pro Plus

Run ID: 8c5ca1f2-0ac1-4bd8-88bd-655a95c9cbdc

📥 Commits

Reviewing files that changed from the base of the PR and between 807bdbd and 9d88d0d.

📒 Files selected for processing (1)

• .github/workflows/batch-check.yml

📜 Recent review details

⏰ Context from checks skipped due to timeout. (10)

• GitHub Check: analyze
• GitHub Check: auto_merge
• GitHub Check: Batch syntax/run check (uv-dl-fallback)
• GitHub Check: Batch syntax/run check (contract-uv-fail)
• GitHub Check: Batch syntax/run check (justme-test)
• GitHub Check: Batch syntax/run check (real)
• GitHub Check: Batch syntax/run check (conda-full)
• GitHub Check: Batch syntax/run check (cache)
• GitHub Check: Batch syntax/run check (contract-uv)
• GitHub Check: Batch syntax/run check (uv)

🧰 Additional context used

📓 Path-based instructions (1)

.github/workflows/*.{yml,yaml}

📄 CodeRabbit inference engine (CLAUDE.md)

Validate modified GitHub Actions workflows with both yamllint and actionlint before committing.

Files:

• .github/workflows/batch-check.yml

🔇 Additional comments (1)

.github/workflows/batch-check.yml (1)

374-374: LGTM!

Also applies to: 410-413, 422-422, 433-433

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📝 Walkthrough

Summary by CodeRabbit

• Chores
  • Improved CI diagnostic output by including the current lane directly in Miniconda availability records.
  • Standardized diagnostic fields across availability and gate-check results for clearer troubleshooting.

Walkthrough

The workflow adds the current CI lane to all Miniconda availability diagnostic and gate rows as a top-level NDJSON field. The non-conda-full gate branch also removes lane from its nested details object.

Changes

Miniconda diagnostics

Layer / File(s)	Summary
Normalize diagnostic lane fields .github/workflows/batch-check.yml	conda_avail and all conda_avail_gate branches emit lane at the top level; the non-conda-full branch limits details to the skip verdict and reason.

Estimated code review effort: 1 (Trivial) | ~3 minutes

Possibly related PRs

• mixmansoundude/Python_vs_Windows#390: Modifies the same Miniconda availability diagnostics and lane-aware gating logic.
• mixmansoundude/Python_vs_Windows#394: Changes the placement and coverage of the related diagnostic rows.
• mixmansoundude/Python_vs_Windows#397: Adds the diagnostic and gate rows whose structure is updated here.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title accurately summarizes the main change: adding top-level lane fields to conda_avail and conda_avail_gate NDJSON rows.
Description check	✅ Passed	The description matches the patch and explains the lane-field consistency fix and test plan.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch claude/pipreqs-fallback-maintenance-49jhr9

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