fix(ci): fetch history for docs contracts

[aimasteracc]

Summary

• fetch full history in the routed docs-only checkout so historical NO1 baseline contract subjects are available
• add an exact regression guard for the docs-check checkout depth (regression from PR docs(rfc): clarify read-existing adapter contract #1255)
• preserve E2E/quality-gate behavior while quoting/grouping step-summary writes required by actionlint on the touched workflow

Root cause

PR #1255's docs job used actions/checkout default fetch-depth: 1 but then ran all tests/contracts/. Historical baseline contracts need commits edf7dfd... and 7e0e8f6...; shallow checkout made git show, worktree, merge-base, and fresh-clone push fail. Tests must not be skipped or narrowed.

Verification

• change impact: changed=2 risk=low; reported focused command green
• focused routing/governance: 23 passed
• historical baseline contract: 85 passed, 1 skipped
• comprehensive (--reruns=0): 24561 passed, 95 skipped, 13 xfailed
• quick (--reruns=0): 1759 passed, 8 skipped
• full changed-file pre-commit: all green, including workflow consistency, PowerShell ASCII, and actionlint
• independent zero-gate: B=0, P1=0, P2=0, P3=0

Notes

The first comprehensive attempt exposed a missing optional Swift grammar in the fresh worktree; uv sync --extra all --extra mcp restored the locked environment, then the entire comprehensive gate was rerun (not only the failed tests).

[aimasteracc]

@codex review

[github-actions]

🔍 Dogfood PR Check

Layer	Status
Change Impact	✅ passed
Claim Invariant Suite	✅ passed

Change impact: change_impact changed=2 risk=low pytest_required=True
Verification: uv run pytest tests/unit/mcp/test_change_impact_tool.py tests/unit/mcp/test_change_impact_tool_execute_and_mapping.py tests/unit/mcp/test_change_impact_tool_git_and_verification.py tests/unit/test_change_impact_analysis.py tests/unit/test_change_impact_cached_graph.py tests/unit/test_change_impact_git.py tests/unit/test_change_impact_response.py tests/unit/test_temporal_change_impact.py -q
Claim summary: ====================== 17 passed, 12 deselected in 1.58s =======================

Claim invariant test output (last 30 lines)

============================= test session starts ==============================
collected 29 items / 12 deselected / 17 selected

tests/benchmarks/claims/test_bm25_ranking_invariant.py ....              [ 23%]
tests/benchmarks/claims/test_reactive_push_e2e.py .......                [ 64%]
tests/benchmarks/claims/test_safety_layers_smoke.py ......               [100%]

- generated xml file: /home/runner/work/tree-sitter-analyzer/tree-sitter-analyzer/dogfood-claims.xml -
====================== 17 passed, 12 deselected in 1.58s =======================

What these tests guard:

• 390× cross-language mis-wire claim
• BM25 ranked search with relevance_score
• 5 safety layers (safe/guard/constraints/impact/verdicts)
• Reactive push subscribe/unsubscribe (RFC-0001)
• Index build speed regression

Full results: workflow run

---

Dogfood PR Check — docs/superpowers/specs/2026-07-08-svcd-dogfood-system-design.md

[chatgpt-codex-connector]

Codex Review: Didn't find any major issues. 🚀

Reviewed commit: e8519d9f1a

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

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