feat: simplify Mind navigation and retire bundle workflow - #497

Summary

The Mind dashboard now has seven counted navigation buttons on one desktop row, with Human Review nested under Backlog. Parked tasks no longer appear on the dashboard or in Recent. Persistent and automatically proposed Bundles, their metadata parser, orchestration skill, and discovery links are removed; grouping can still be requested when starting work.

API Changes

• navigation_cards(..., columns=None) and hero(..., navigation_columns=None) optionally set desktop columns at 64rem and wider. Existing callers retain fluid layout; Mind opts into seven columns.
• Intake no longer parses Bundle: or bundles.md, or exposes bundle helpers/census data. The start-bundle skill is retired. Run the normal skill installer after merging to prune stale installed links.
• Human Review remains separate from development picks and contributes once to the Backlog navigation count. Existing #human-review links open the nested category.

Test Plan

• Full Brain suite: 1,271 passed; full Mind suite: 696 passed. Hermetic runs clear repository-location overrides after activation.
• 207 affected dashboard, shared-theme, section, skill-discovery and workflow tests passed.
• 10 Chromium cases passed across five widths and light/dark modes, including anchors, disclosures, keyboard controls and copy actions.
• Seven cards share one row at 1024px and 1440px, wrap without overflow at 390px and 768px; #human-review opens both parent and nested disclosures.
• Paired Mind template/ledger checks: 137 passed; full Mind suite: 696 passed.
• Regenerated Mind Markdown, HTML and state feed; dashboard freshness check passed.

Coordination

Tracks PyAutoLabs/PyAutoMind#488. Merge Brain before the paired Mind PR (PyAutoLabs/PyAutoMind#489), whose generated dashboard is checked using Brain main. No scientific library API or workspace script is affected.

Heart

The human explicitly acknowledged this YELLOW warning and authorized opening the PRs on 2026-10-07:

• manifest drift: workspace checkouts (manifest ↔ disk) — 2 mismatch(es) vs PyAutoMind/repos.yaml
• Stale evidence: release validation incomplete: no rehearsal for current source

Merge authority remains human /prm.

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