chore(arch): architecture audit 2026-06-26 — clean pass

[jeduden]

Summary

• Runs the solid-architecture audit skill over the range fe7141b..0ededb3
• Touched set is test files only (cue/cuelite/engine_helpers_test.go, internal/lint/lineclass_scan_test.go, internal/lint/layer0_html_test.go) — no production sources
• No blockers, tax, or nice-to-have findings
• Advances audit-from: checkpoint in docs/development/architecture-audit.md to 0ededb39
• Plans 2606260211, 2606260614, and 2606260615 confirmed closed by this range

Test plan

• mdsmith check docs/development/architecture-audit.md — 0 failures
• Audit entry passes MDS023 readability check

🤖 Generated with Claude Code

https://claude.ai/code/session_0151UijTBtRU3dm2Mbfndp8i

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Generated by Claude Code

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 98.62%. Comparing base (0ededb3) to head (fccd199).
⚠️ Report is 4 commits behind head on main.

Additional details and impacted files

Components	Coverage Δ
Go	98.61% <ø> (ø)
TypeScript	99.54% <ø> (ø)

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[jeduden]

🟢 Merge Queue — picked up

This PR is in the queue and will be batched with other queue-labelled PRs.

Next: No action needed — you'll get another comment when CI starts on the batch. View merge queue run.

[jeduden]

🔵 Merge Queue — CI running

Merged into batch branch merge-queue/batch-705-1782541430. View CI run.

Next: No action needed — you'll be notified when CI completes.

[jeduden]

✅ Merge Queue — merged

This PR landed on main via commit 86dc716. CI run that validated the merge.

Next: Done — nothing more to do here.