docs: finalize chore_pr_yml_parallelize_backend_job (PR #478 merged)

[SoundMindsAI]

Finalization for PR #478 (chore_pr_yml_parallelize_backend_job, merged ba11653).

• Moves the shipped chore folder → implemented_features/2026_06_05_chore_pr_yml_parallelize_backend_job/.
• Refreshes state.md (new top "Last 5 merges" entry, drops the 6th into the older-entries line; updates branch/queue context — chore(pipeline): add project-wide priority-ordered status mode #3 shipped, docs: MVP1 architecture + 12 feature specs + GPT-5.5 review fixes #2 deferred).
• Adds the full narrative to state_history.md (incl. the marginal-lane-split finding that drove the descope).
• Regenerates the MVP1/MVP2/aggregate dashboards (.md + .html) and the public website roadmap.

The deferred lane-split idea (infra_pr_yml_split_backend_test_lanes) already landed on main via #478.

Docs-only finalization — no code, no migration (Alembic head stays 0023).

https://claude.ai/code/session_016aMKimAFu2wouGCtWNdCLz

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[gemini-code-assist]

Code Review

This pull request updates the project dashboards, roadmap, and state documentation to mark the chore_pr_yml_parallelize_backend_job as completed and merged. The chore was descoped to lint-deduplication only, with the parallel lane-split deferred to a new planned infrastructure item, infra_pr_yml_split_backend_test_lanes. Feedback on the changes highlights a broken relative link in MVP2_DASHBOARD.md pointing to the moved chore's idea document.

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[SoundMindsAI]

Gemini review adjudication

#	Severity	Finding	Verdict
1	Medium	MVP2_DASHBOARD.md row links to ../chore_pr_yml_parallelize_backend_job/idea.md — broken after the folder moved to implemented_features/	Accept (root-caused deeper) — fixed in 7cb15c7

The dashboard is generated, so the fix is in the source. Root cause: the generator transplants an idea's Status field verbatim into the dashboard table, so any idea-relative link in a Status field resolves wrong from the dashboard's location (a systemic behavior — the feat_query_normalizer_typed_pipeline / feat_apply_path_normalizer_declaration ideas have the same broken-in-dashboard Status links).

Fix:

• Made the infra idea's Status field plain-text (no link) and kept the real working cross-link in its non-transplanted "Relationship to other work" section, then regenerated the dashboard — the flagged dashboard link is now plain text.
• Also fixed the actual broken cross-links the move created in both idea files (which the original 4-.. link would not have caught): the chore idea moved from 5-deep to 4-deep, so its repo-root links went ../../../../../ → ../../../../, its infra-sibling links → ../../planned_features/02_mvp2/infra_*, and the infra idea's parent links → ../../../implemented_features/2026_06_05_chore_*. All four verified to resolve via os.path.normpath.

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