Re-tab /settings to the approved IA: nine standard-named nodes, search front door, working set, presets

[santoshkumarradha]

Split from #1295 (closed as superseded); this is the tracking issue for the reorganization. The approved tree, its naming sources and its placement rules are the hierarchy comment on #1295.

Children:

• /settings search: a space flips the row under the cursor instead of typing, and the matcher is substring-only #1300 - search: space-key fix and the fzf v2 matcher (in flight)
• Approvals answer in five vocabularies: one word set across the sheet, the card, /permissions and the transcript #1301 - one approval vocabulary across all five surfaces
• Keybindings: page-dependent shortcut listing and a way to change them #1299 - keybindings: page-dependent ? overlay and customization
• The project layer silently outranks the /settings sheet: the badge can contradict the gate and the receipt says saved #1302 - project-layer precedence and the badge/gate contradiction
• the re-tab itself, tracked here

The shape

• Nine standard-named nodes, depth two: Models & Providers, Permissions, Budget, Context & Memory, Tasks, Workspace, Appearance, Connections, General. Subgroups only where scanning would fail (Permissions, Models & Providers, General); every other node flat.
• The panel opens on search; tabs become facets. Default view is the working set (about a dozen rows); every row stays reachable behind search and an all-rows toggle, with totality enforced by the chrome_test pattern that already fails the build when a registry key loses its tab.
• Presets as the first row of Permissions: safe / balanced / yolo writing the trust bundle (the models.crew word is the working precedent: one word writes five tier rows).
• The /autonomy rules live under Permissions as "Questions while you are away"; the ssh quartet moves to General > System; the countdowns inline under the rows they govern.

Evidence: audit-notes/settings-inventory.md (all 77 rows on this branch, 81 on dev, per-tab tables, the twelve label mismatches, and the naming collisions the re-tab dissolves) on feat/1089-custom-connections.

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