vscode-recents: Performance overhaul, filtering, and multi-flavour support in actions submenu

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Summary

Major refactor of the vscode-recents extension with significant performance improvements, new filtering capabilities, multi-editor support in action submenu, and UX enhancements.

What's Changed

Performance

• Replaced sql.js with sqlite3 CLI – Eliminates WASM load and in-memory parsing. For large state.vscdb files (e.g. 900MB+), load time drops from ~4–5 seconds to near-instant.
• Result caching – Projects list is cached and invalidated when state.vscdb is modified.

New Features

• Project type filter – Search bar dropdown to filter by All, Folders, Workspaces, or Files.
• Antigravity support – Added as a VSCode flavour alongside Code, Cursor, VSCodium, and Insiders.
• Open in any flavour – "Open in..." submenu lets you open a project in any supported editor without changing the default preference.

UX Improvements

• Shortcut tweak – "Show in File Manager" shortcut changed from Shift+Enter to Option+Enter to avoid confusion with open actions.
• Node import protocol – Uses node: prefix for built-in imports (Biome compliance).

Requirements

• sqlite3 – Must be installed on the system (typically present on Linux/macOS; apt install sqlite3 or brew install sqlite3 if needed).

Breaking Changes

• Dropped sql.js – No longer bundled; relies on system sqlite3. Extensions on systems without sqlite3 will fail with a clear error and install instructions.

[ShyAssassin]

Personally i am against needing to install extra packages for an extension to work, I think instead of out right replacing sql.js a new setting should be introduced to switch between which "backend" is used

[dagimg-dot]

Personally i am against needing to install extra packages for an extension to work, I think instead of out right replacing sql.js a new setting should be introduced to switch between which "backend" should be used

Yeah that is better 👍