feat(desktop): add tab navigation hotkeys (⌘⌥1-9)

[Kitenite]

Summary

• Add keyboard shortcuts to jump directly to tabs 1-9 using ⌘⌥1-9
• Matches the existing tab arrow pattern (⌘⌥←/→ for prev/next tab)

Test plan

• Open the desktop app with multiple tabs
• Press ⌘⌥1 to switch to tab 1
• Press ⌘⌥2-9 to switch to corresponding tabs
• Verify existing shortcuts still work (workspaces ⌘1-9, tab arrows ⌘⌥←/→, presets ctrl+1-9)

Summary by CodeRabbit

• New Features
  • Added keyboard shortcuts to jump directly to workspace tabs 1–9. Press Meta+Shift+1–9 (or the platform-appropriate modifier) to switch to the corresponding tab, improving keyboard-driven navigation and productivity in the workspace dashboard.

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📝 Walkthrough

Walkthrough

Adds keyboard-driven tab jumping: a switchToTab(index) helper in the workspace dashboard and registration of nine new hotkeys (JUMP_TO_TAB_1–JUMP_TO_TAB_9). Hotkey definitions updated to support digit key matching (meta+shift+1..9).

Changes

Cohort / File(s)	Summary
Workspace Dashboard Tab Navigation apps/desktop/src/renderer/routes/_authenticated/_dashboard/workspace/$workspaceId/page.tsx	Adds switchToTab(index) helper and registers hotkey handlers for JUMP_TO_TAB_1…JUMP_TO_TAB_9, invoking the helper with indices 0–8 to activate tabs if present.
Shared Hotkeys Configuration apps/desktop/src/shared/hotkeys.ts	Updates matchesHotkeyEvent to handle digit keys on macOS via event.code and adds nine new HOTKEYS entries JUMP_TO_TAB_1…JUMP_TO_TAB_9 with meta+shift+<n> bindings and labels "Switch to Tab ".

Sequence Diagram(s)

(Skipped — changes are localized and the flow is simple.)

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~10 minutes

Possibly related PRs

• feat(desktop): add Cmd+F shortcut to focus search in Tasks view #1098: Also modifies the shared hotkeys system and adds hotkey entries/handling.
• feat(desktop): wrap tab navigation hotkeys #1051: Alters workspace tab navigation behavior (next/prev wrapping) in the same page component.
• Remove custom hotkeys handler in favor of react-hotkeys-hook #114: Changes tab-jump hotkey definitions/handling; overlaps with added jump-to-tab shortcuts.

Suggested reviewers

• CharlieHelps

Poem

🐰
I hop to tabs with a tap and a spin,
Meta+shift numbers — a speedy new grin.
From one to nine I skip and I play,
A tiny rabbit, keyboard ballet. 🥕✨

🚥 Pre-merge checks | ✅ 2 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (2 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title accurately describes the main change: adding tab navigation hotkeys using keyboard shortcuts (⌘⌥1-9) for the desktop app.
Description check	✅ Passed	The PR description provides a clear summary and test plan, though it deviates from the template structure with missing formal sections like 'Type of Change' and 'Related Issues'.

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✨ Finishing touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch kitenite/add-tab-nav-keys

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[github-actions]

🧹 Preview Cleanup Complete

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