refactor: separate Spotlight into standalone extension

[nisargkolhe]

• Create new Arcify Spotlight extension with independent codebase
• Remove all Spotlight code from main Arcify extension
• Arcify Spotlight has its own settings (accent color, debug logging)
• Arcify new tab button now opens chrome://newtab/ directly
• Remove spotlight-related permissions from Arcify manifest
• Update build configuration to remove spotlight build steps

The new Arcify Spotlight extension:

• Located at ../arcify-spotlight/
• Has its own manifest, background script, options page
• Independent keyboard shortcuts (Alt+L, Alt+T)
• No shared code with Arcify
• Removed PINNED_TAB feature (Arcify-specific)

---

Note

Separates Spotlight from the main extension by fully removing in-repo Spotlight functionality and wiring.

• Deletes Spotlight content scripts/pages (spotlight/*), new tab override, and related message handling/shortcuts from background.js
• Manifest cleanup: drops search, topSites, history permissions; removes chrome_url_overrides.newtab, Spotlight commands, and content_scripts; trims web accessible resources
• UI/options: newTabBtn now opens a blank tab; removes enableSpotlight option and its persistence
• Keeps auto-archive, tab activity tracking, and URL copy; prunes unused Spotlight logic and messages
• Build: removes Spotlight overlay/newtab build steps and copies; simplifies asset copying in Vite plugin

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Onboarding references removed Spotlight commands and settings

High Severity

The toggleSpotlight and toggleSpotlightNewTab commands were removed from the manifest, and the enableSpotlight setting was removed from options, but the installation-onboarding.js and installation-onboarding.html still reference these. The onboarding flow has an entire step dedicated to Spotlight with a toggle button (spotlightToggle), displays keyboard shortcuts for non-existent commands, and saves/loads the now-defunct enableSpotlight setting. Users will see a Spotlight configuration step for a feature that no longer exists, and the displayed shortcuts (Alt+L, Alt+T) won't work.

Additional Locations (1)

• options.js#L81-L82